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Medical Dictionary


corepressor (ko-re-pres′or)
A molecule, usually a product of a specific metabolic pathway, that combines with and activates a repressor produced by a regulator gene. The activated repressor then attaches to an operator gene site and inhibits activity of the structural genes. This homeostatic mechanism negatively regulates enzyme production in repressible enzyme systems.

R.B., U.S. chemist, 1897–1971. See Pauling-C. helix.

Gerty Theresa, Czech-U.S. biochemist and Nobel laureate, 1896–1957. See C. disease.

Carl F., Czech-U.S. biochemist and Nobel laureate, 1896–1984. See C. cycle, C. ester.

coria (ko′re-a)
Plural of corium.

coriander (ko-re-an′der)
The dried ripe fruit of Coriandrum sativum (family Umbelliferae); a mild stimulant aromatic and a flavoring agent.

corium, pl .coria (ko′re-um, -re-a)
dermis. [L. skin, hide, leather]

corn (korn)
SYN: clavus (1) . [L. cornu, horn, hoof] asbestos c. a granulomatous or hyperkeratotic lesion of the skin at the site of deposit of asbestos particles. SYN: asbestos wart. hard c. the usual form of c. over a toe joint. soft c. a c. formed by pressure between two toes, the surface being macerated and yellowish in color.

cornea (kor′ne-a) [TA]
The transparent tissue constituting the anterior sixth of the outer wall of the eye, with a 7.7-mm radius of curvature as contrasted with the 13.5 mm of the sclera; it consists of stratified squamous epithelium continuous with that of the conjunctiva, a substantia propria, substantially regularly arranged collagen imbedded in mucopolysaccharide, and an inner layer of endothelium. It is the chief refractory structure of the eye. [L. fem. of corneus, horny] conical c. SYN: keratoconus. c. farinata bilateral speckling of the posterior part of the corneal stroma. SYN: floury c.. floury c. SYN: c. farinata. c. plana a congenital disorder in which the arc curvature of the c. is flatter than normal, leaving the eye hyperopic. c. urica bilateral deposition of crystalline deposits of urea and sodium urate within corneal stroma. c. verticillata congenital whorl-like opacities in the c.. SYN: Fleischer vortex.

corneal (kor′ne-al)
Relating to the cornea.

corneoblepharon (kor′ne-o-blef′a-ron)
Adhesion of the eyelid margin to the cornea. [cornea + G. blepharon, eyelid]

corneocyte (kor′ne-o-sit)
The dead keratin-filled squamous cell of the stratum corneum. SYN: horny cell, keratinized cell. [cornea, L. fem. of corneus, horny, + G. kytos, cell]

corneosclera (kor′ne-o-skler′a)
The combined cornea and sclera when considered as forming the external coat of the eyeball.

corneoscleral (kor′ne-o-skler′al)
Pertaining to the cornea and sclera.

George W., U.S. anatomist, 1889–1981. See C.-Allen test, C.-Allen unit.

Edred M., English surgeon, 1873–1950. See C. tampon.

corneum (kor′ne-um)
See stratum c. epidermidis, stratum c. unguis. [L., ntr. of corneus, horny, fr. cornu, horn]

corniculate (kor-nik′u-lat)
1. Resembling a horn. 2. Having horns or horn-shaped appendages. [L. corniculatus, horned]

corniculum (kor-nik′u-lum)
A small cornu. [L. dim. of cornu, horn] c. laryngis SYN: corniculate cartilage.

cornification (kor-ni-fi-ka′shun)
SYN: keratinization. [L. cornu, horn, + facio, to make]

cornified (kor′ni-fid)
SYN: keratinized.

corn oil
The refined fixed oil expressed from the embryo of Zea mays (family Gramineae); a solvent. SYN: maise oil.

cornsilk (korn′silk)
SYN: zea.

corn smut (korn′smut)
SYN: Ustilago maydis.

cornu, gen. cornus, pl .cornua (kor′noo, -nus, -noo-a)
1. [TA] SYN: horn. 2. Any structure composed of horny substance. 3. One of the coronal extensions of the dental pulp underlying a cusp or lobe. 4. The major subdivisions of the lateral ventricle in the cerebral hemisphere (the frontal horn, occipital horn, and temporal horn). SEE ALSO: lateral ventricle. 5. The major divisions of the gray columns of the spinal cord (anterior horn, lateral horn, posterior horn). [L. horn] c. ammonis SYN: Ammon horn. c. anterius [TA] SYN: anterior horn. coccygeal c. two processes that project upward from the dorsum of the base of the coccyx to articulate with the sacral cornua. SYN: c. coccygeum [TA] , coccygeal horn, cornua coccygealia. cornua coccygealia SYN: coccygeal c.. c. coccygeum [TA] SYN: coccygeal c.. c. cutaneum SYN: cutaneous horn. cornua of falciform margin of saphenous opening See inferior horn of falciform margin of saphenous opening, superior horn of falciform margin of saphenous opening. c. frontale ventriculi lateralis [TA] SYN: cornua of lateral ventricle. cornua of hyoid bone See greater horn of hyoid bone, lesser horn of hyoid. c. inferius [TA] SYN: inferior horn. c. inferius cartilaginis thyroideae [TA] SYN: inferior horn of thyroid cartilage. c. inferius marginis falciformis hiatus sapheni [TA] SYN: inferior horn of falciform margin of saphenous opening. c. inferius ventriculi lateralis [TA] SYN: inferior horn of lateral ventricle. c. laterale [TA] SYN: lateral horn. cornua of lateral ventricle SYN: c. frontale ventriculi lateralis [TA] , c. occipitale ventriculi lateralis [TA] , c. temporale ventriculi lateralis [TA] .anterior horn (1) , inferior horn, posterior horn. c. majus ossis hyoidei [TA] SYN: greater horn of hyoid bone. c. minus ossis hyoidei [TA] SYN: lesser horn of hyoid. c. occipitale ventriculi lateralis [TA] SYN: cornua of lateral ventricle. c. posterius [TA] SYN: posterior horn. c. posterius ventriculi lateralis [TA] SYN: posterior horn. sacral c. [TA] the most caudal parts of the intermediate sacral crest. On each side they form the lateral margin of the sacral hiatus and articulate with the coccygeal cornua. SYN: c. sacrale [TA] , sacral horn&star. c. sacrale [TA] SYN: sacral c.. c. of spinal cord SYN: posterior horn. See anterior horn (2) , lateral horn. styloid c. SYN: lesser horn of hyoid. c. superius cartilaginis thyroideae [TA] SYN: superior horn of thyroid cartilage. c. superius marginalis falciformis [TA] SYN: superior horn of falciform margin of saphenous opening. c. temporale ventriculi lateralis [TA] SYN: inferior horn of lateral ventricle. c. temporale ventriculi lateralis [TA] SYN: cornua of lateral ventricle. cornua of thyroid cartilage inferior horn of thyroid cartilage, superior horn of thyroid cartilage. c. uteri [TA] SYN: uterine horn.

cornua (kor′noo-a)
Plural of cornu.

cornual (kor′noo-al)
Relating to a cornu.

See core-.

corona, pl .coronae (ko-ro′na, -ne) [TA]
SYN: crown. [L. garland, crown, fr. G. korone] c. capitis the topmost part of the head. SYN: crown of head. c. ciliaris [TA] the circular figure on the inner surface of the ciliary body, formed by the processes and folds (plicae) taken together. SYN: ciliary crown, ciliary wreath. c. clinica SYN: clinical crown. c. dentis SYN: crown of tooth. c. glandis penis [TA] SYN: c. of glans penis. c. of glans penis [TA] the prominent posterior border of the glans penis. SYN: c. glandis penis [TA] . c. radiata 1. [TA] a fan-shaped fiber mass on the white matter of the cerebral cortex, composed of the widely radiating fibers of the internal capsule; 2. a single layer of columnar cells derived from the cumulus oophorus, which anchor on the pellucid zone of the oocyte in a secondary follicle. SYN: radiate crown. c. seborrheica a red band at the hair line along the upper border of the forehead and temples occasionally observed in seborrheic dermatitis of the scalp. c. veneris papular syphilitic lesions (secondary eruption) along the anterior margin of the scalp or on the back of the neck. SEE ALSO: crown of Venus. Zinn c. SYN: vascular circle of optic nerve.

coronad (kor′o-nad)
In a direction toward any corona.

coronal (kor′o-nal) [TA]
Relating to a corona or the c. plane. SYN: coronalis [TA] .

coronale (kor-o-na′le)
1. SYN: frontal bone. 2. One of the two most widely separated points on the coronal suture at the poles of the greatest frontal diameter. [L. neuter of coronalis, pertaining to a corona, crown]

coronalis (kor-o-na′lis) [TA]
SYN: coronal.

coronaria (kor-o-na′re-a)
A coronary artery, of the heart.

coronarism (kor′o-nar-izm)
1. SYN: coronary insufficiency. 2. SYN: angina pectoris. [coronary (artery) + -ism]

coronaritis (kor′o-na-ri′tis)
Inflammation of coronary artery or arteries.

coronary (kor′o-nar-e)
1. Relating to or resembling a crown. 2. Encircling;denoting various anatomical structures, e.g., nerves, blood vessels, ligaments. 3. Specifically, denoting the c. blood vessels of the heart and, colloquially, c. thrombosis. [L. coronarius; fr. corona, a crown] cafe c. sudden collapse while eating that results from food impaction closing the glottis; often erroneously thought to stem from c. artery disease.

Coronaviridae (ko-ro′na-vir′i-de)
A family of single-stranded RNA-containing viruses with 3 or 4 major antigens corresponding to each of the major viral proteins; some of which cause upper respiratory tract infections in humans similar to the “common cold”; others cause animal infections (infectious avian bronchitis, swine encephalitis, mouse hepatitis, neonatal calf diarrhea, and others). The viruses resemble myxoviruses except for the petal-shaped projections that give an impression of the solar corona. Virions are 120–160 nm in diameter, enveloped, and ether-sensitive. Nucleocapsids are thought to be of helical symmetry; they develop in cytoplasm and are enveloped by budding into cytoplasmic vesicles. Coronavirus and Torovirus are the only recognized genera. [L. corona, garland, crown]

Coronavirus (ko-ro′na-vi′rus)
A genus in the family Coronaviridae that is associated with upper respiratory tract infections and possibly gastroenteritis in man.

coronavirus (ko-ro′na-vi′rus)
Any virus of the family Coronaviridae.

coroner (kor′on-er)
An official whose duty it is to investigate sudden, suspicious, or violent death to determine the cause; in some communities, the office has been replaced by that of medical examiner. [L. corona, a crown]

coronion (ko-ro′ne-on)
The tip of the coronoid process of the mandible; a craniometric point. SYN: koronion. [G. korone, crow]

coronoid (kor′o-noyd)
Shaped like a crow's beak; denoting certain processes and other parts of bones. [G. korone, a crow, + eidos, resembling]

coronoidectomy (kor′o-noy-dek′to-me)
Surgical removal of the coronoid process of the mandible. [coronoid + G. ektome, excision]

corpora (kor′por-a)
Plural of corpus.

corporeal (kor-po′re-al)
Pertaining to the body, or to a corpus.

corporin (kor′po-rin)
Obsolete term for corpus luteum hormone.

corpse (korps)
SYN: cadaver. [L. corpus, body]

corps ronds (kor-ron′)
Dyskeratotic round cells occurring in the epidermis, with a central round basophilic mass surrounded by a clear halo; characteristically found in keratosis follicularis. [Fr. round bodies]

corpulence, corpulency (kor′pu-lens, -len-se)
SYN: obesity. [L. corpulentia, magnification of corpus, body]

corpulent (kor′pu-lent)
SYN: obese.

corpus, gen. corporis, pl .corpora (kor′pus, -por-is, -por-a) [TA]
1. SYN: body. 2. Any body or mass. 3. The main part of an organ or other anatomic structure, as distinguished from the head or tail. SEE ALSO: body, diaphysis, soma. [L. body] c. adiposum [TA] SYN: fat-pad. c. adiposum buccae [TA] SYN: buccal fat-pad. c. adiposum fossae ischioanalis [TA] c. adiposum fossae ischiorectalis SYN: fat body of ischioanal fossa. c. adiposum infrapatellare [TA] SYN: infrapatellar fat-pad. c. adiposum orbitae [TA] SYN: retrobulbar fat. c. albicans a retrogressed c. luteum characterized by increasing cicatrization and shrinkage of the cicatricial core with an amorphous, convoluted, completely hyalinized lutein zone surrounding the central plug of scar tissue. SYN: albicans (2) , atretic c. luteum, c. candicans. c. amygdaloideum [TA] SYN: amygdaloid body. c. amylaceum, pl .corpora amylacea one of a number of small ovoid or rounded, sometimes laminated, bodies resembling a grain of starch and found in nervous tissue, in the prostate, and in pulmonary alveoli; of little pathological significance, and apparently derived from degenerated cells or proteinaceous secretions. SYN: amnionic corpuscle, amylaceous corpuscle, amyloid corpuscle, colloid corpuscle. c. aorticum SYN: paraaortic bodies, under body. c. arantii SYN: nodules of semilunar cusps, under nodule. corpora arenacea small calcareous concretions in the stroma of the pineal and other central nervous system tissues. SYN: acervulus, brain sand, psammoma bodies (2) . atretic c. luteum SYN: c. albicans. c. atreticum SYN: atretic ovarian follicle. corpora bigemina SYN: bigeminal bodies, under body. c. callosum [TA] the great commissural plate of nerve fibers interconnecting the cortical hemispheres (with the exception of most of the temporal lobes which are interconnected by the anterior commissure). Lying at the floor of the longitudinal fissure, and covered on each side by the cingulate gyrus, it is arched from behind forward and is thick at each extremity (splenium [TA] and genu [TA]) but thinner in its long central portion (truncus [TA]); it curves back underneath itself at the genu to form the rostrum [TA] of the c. callosum. SYN: commissure of cerebral hemispheres. c. candicans SYN: c. albicans. corpora cavernosa recti SYN: anal cushions, under cushion. c. cavernosum clitoridis [TA] SYN: c. cavernosum of clitoris. c. cavernosum of clitoris [TA] one of the two parallel columns of erectile tissue forming the body of the clitoris; they diverge at the root to form the crura of the clitoris. SYN: c. cavernosum clitoridis [TA] , cavernous body of clitoris. c. cavernosum conchae SYN: cavernous (vascular) plexus of conchae. c. cavernosum penis [TA] one of two parallel columns of erectile tissue forming the dorsal part of the body of the penis; they are separated posteriorly, forming the crura of the penis. SYN: cavernous body of penis. c. cavernosum urethrae SYN: c. spongiosum penis. c. ciliare [TA] SYN: ciliary body. c. claviculae [TA] SYN: shaft of clavicle. c. clitoridis [TA] SYN: body of clitoris. c. coccygeum [TA] SYN: coccygeal body. c. costae [TA] SYN: body of rib. c. dentatum SYN: dentate nucleus of cerebellum. c. epididymidis [TA] SYN: body of epididymis. c. femoris SYN: shaft of femur. c. fibrosum the small fibrous cicatricial mass in the ovary formed following the atresia of an ovarian follicle; similar to a c. albicans but smaller. c. fibulae [TA] SYN: shaft of fibula. c. fimbriatum 1. SYN: fimbria hippocampi. 2. the outer, ovarian extremity of the oviduct. c. fornicis [TA] SYN: body of fornix. c. gastricum [TA] SYN: body of stomach. c. geniculatum externum SYN: lateral geniculate body. c. geniculatum internum SYN: medial geniculate body. c. geniculatum laterale [TA] SYN: lateral geniculate body. c. geniculatum mediale [TA] SYN: medial geniculate body. c. glandulae sudoriferae SYN: body of sweat gland. c. hemorrhagicum a hematoma with a lining formed by the thinned-out bright yellow lutein zone; gradual resorption of the blood elements leaves a cavity filled with a clear fluid, i.e., a c. luteum cyst. SYN: c. luteum hematoma. c. highmori, c. highmorianum SYN: mediastinum of testis. c. humeri [TA] SYN: shaft of humerus. c. incudis [TA] SYN: body of incus. c. juxtarestiforme SYN: juxtarestiform body. c. linguae [TA] SYN: body of tongue. c. luteum the yellow endocrine body, 1–1.5 cm in diameter, formed in the ovary at the site of a ruptured ovarian follicle immediately after ovulation; there is an early stage of proliferation and vascularization before full maturity; later, there is a festooned and bright yellowish lutein zone traversed by trabeculae of theca interna containing numerous blood vessels; the c. luteum secretes estrogen, as did the follicle, and also secretes progesterone. If pregnancy does not occur, it is called a c. luteum spurium, which undergoes progressive retrogression to a c. albicans. If pregnancy does occur, it is called a c. luteum verum, which increases in size, persisting to the fifth or sixth month of pregnancy before retrogression. SYN: yellow body. c. luysi SYN: subthalamic nucleus. c. mammae [TA] SYN: body of breast. c. mammillare [TA] SYN: mammillary body. c. mandibulae [TA] SYN: body of mandible. c. maxillae [TA] SYN: body of maxilla. c. medullare cerebelli [TA] the interior white substance of the cerebellum. c. metacarpale [TA] SYN: shaft of metacarpal. c. metatarsale [TA] SYN: shaft of metatarsal. c. nuclei caudati [TA] SYN: body of caudate nucleus. c. olivare SYN: oliva. c. ossis femoris [TA] SYN: shaft of femur. c. ossis hyoidei [TA] SYN: body of hyoid bone. c. ossis ilii [TA] SYN: body of ilium. c. ossis ischii [TA] SYN: body of ischium. c. ossis metacarpalis the shaft of one of the metacarpal bones. c. ossis pubis [TA] SYN: body of pubis. c. ossis sphenoidalis SYN: body of sphenoid. c. pampiniforme SYN: epoophoron. c. pancreatis [TA] SYN: body of pancreas. c. papillare SYN: stratum papillare corii. corpora para-aortica [TA] SYN: paraaortic bodies, under body. c. paraterminale SYN: subcallosal gyrus. c. penis [TA] SYN: body of penis. c. phalangis [TA] SYN: shaft of phalanx. c. pineale [TA] SYN: pineal body. c. pontobulbare SYN: pontobulbar body. corpora quadrigemina SYN: quadrigeminal bodies, under body. See inferior colliculus, superior colliculus. c. quadrigeminum anterius SYN: superior colliculus. c. quadrigeminum posterius SYN: inferior colliculus. c. radii [TA] SYN: shaft of radius. c. restiforme [TA] SYN: restiform body. c. spongiosum penis [TA] the median column of erectile tissue located between and ventral to the two corpora cavernosa penis; posteriorly it expands into the bulbus penis and anteriorly it terminates as the enlarged glans penis; it is traversed by the urethra. SYN: c. cavernosum urethrae, spongy body of penis. c. spongiosum urethrae muliebris the submucous coat of the female urethra, containing a venous network that insinuates itself between the muscular layers, giving to them an erectile nature. c. sterni [TA] SYN: body of sternum. c. striatum [TA] SYN: striate body. c. tali [TA] SYN: body of talus. c. tibiae [TA] SYN: shaft of tibia. c. trapezoideum [TA] SYN: trapezoid body. c. triticeum SYN: triticeal cartilage. c. ulnae [TA] SYN: shaft of ulna. c. unguis [TA] SYN: body of nail. c. uteri [TA] SYN: body of uterus. c. vertebrae [TA] SYN: vertebral body. c. vesicae [TA] SYN: body of bladder. c. vesicae biliaris [TA] SYN: body of gallbladder. c. vesicae felleae body of gallbladder. c. vitreum [TA] SYN: vitreous body. SEE ALSO: vitreous.

corpuscle (kor′pus-l)
1. A small mass or body. 2. A blood cell. SYN: corpusculum. [L. corpusculum, dim. of corpus, body] amnionic c. SYN: corpus amylaceum. amylaceous c., amyloid c. SYN: corpus amylaceum. articular corpuscles encapsulated nerve terminations within joint capsules. SYN: corpuscula articularia. axis c., axile c. the central portion of a tactile c.. basal c. SYN: basal body. Bizzozero c. SYN: platelet. blood c. SYN: blood cell. bone c. SYN: osteocyte. bridge c. SYN: desmosome. bulboid corpuscles SYN: Krause end bulbs, under bulb. calcareous corpuscles rounded masses composed of concentric layers of calcium carbonate, characteristic of tapeworm tissue. cement c. a cementocyte contained within a lacuna or crypt of the cementum of a tooth; an entrapped cementoblast. chyle c. a cell of the same appearance as a leukocyte, present in chyle. colloid c. SYN: corpus amylaceum. colostrum c. one of numerous bodies present in the colostrum, supposed to be modified leukocytes containing fat droplets. SYN: Donné c., galactoblast. concentrated human red blood c. c. prepared from one or more preparations of whole human blood that are not more than 14 days old and each of which has already been directly matched with the blood of the intended recipient. corneal corpuscles connective tissue cells found between the laminae of fibrous tissue in the cornea. SYN: Toynbee corpuscles, Virchow cells (3) , Virchow corpuscles. Dogiel c. an encapsulated sensory nerve ending. Donné c. SYN: colostrum c.. dust corpuscles SYN: hemoconia. Eichhorst corpuscles the globular forms sometimes occurring in the poikilocytosis of pernicious anemia. exudation c. a cell present in an exudate that assists in the organization of new tissue. SYN: exudation cell, inflammatory c., plastic c.. genital corpuscles special encapsulated nerve endings found in the skin of the genitalia and nipple. SYN: corpuscula genitalia. ghost c. SYN: achromocyte. Gluge corpuscles large pus cells containing fat droplets. Golgi c. Golgi-Mazzoni c.. Golgi-Mazzoni c. an encapsulated sensory nerve ending similar to a pacinian c. but simpler in structure. Hassall concentric c. SYN: thymic c.. inflammatory c. SYN: exudation c.. lamellated corpuscles small oval bodies in the skin of the fingers, in the mesentery, tendons, and elsewhere, formed of concentric layers of connective tissue with a soft core in which the axon of a nerve fiber runs, splitting up into a number of fibrils that terminate in bulbous enlargements; they are sensitive to pressure. SYN: corpuscula lamellosa, pacinian corpuscles, Vater corpuscles, Vater-Pacini corpuscles. lymph c., lymphatic c., lymphoid c. a mononuclear type of leukocyte formed in lymph nodes and other lymphoid tissue, and also in the blood. malpighian corpuscles 1. SYN: renal c.. 2. SYN: splenic lymph follicles, under follicle. Mazzoni c. a tactile c. apparently identical with Krause end bulb. SEE ALSO: Golgi-Mazzoni c.. Meissner c. SYN: tactile c.. Merkel c. SYN: tactile meniscus. Mexican hat c. target cell anemia. milk c. one of the fat droplets in milk. molluscum c. SYN: molluscum body. Negri corpuscles obsolete term for Negri bodies, under body. Norris corpuscles decolorized red blood cells that are invisible or almost invisible in the blood plasma, unless they are appropriately stained. oval c. SYN: tactile c.. pacchionian corpuscles SYN: arachnoid granulations, under granulation. pacinian corpuscles SYN: lamellated corpuscles. pessary c. an elongated red blood cell with hemoglobin concentrated in the peripheral portion. phantom c. SYN: achromocyte. plastic c. SYN: exudation c.. Purkinje corpuscles SYN: Purkinje cell layer. pus c. one of the polymorphonuclear leukocytes that comprise the chief portion of the formed elements in pus. SYN: pus cell, pyocyte. Rainey corpuscles rounded, ovoidal, or sickle-shaped spores or bradyzoites, 12–16 by 4–9 μm, found within the elongated cysts (Miescher tubes) of the protozoan Sarcocystis. red c. SYN: erythrocyte. renal c. the tuft of glomerular capillaries and the capsula glomeruli that encloses it. SYN: corpusculum renis, malpighian corpuscles (1) . reticulated c. SYN: reticulocyte. Ruffini corpuscles sensory end-structures in the subcutaneous connective tissues of the fingers, consisting of an ovoid capsule within which the sensory fiber ends with numerous collateral knobs. salivary c. one of the leukocytes present in saliva. Schwalbe c. SYN: taste bud. shadow c. SYN: achromocyte. splenic corpuscles SYN: splenic lymph follicles, under follicle. tactile c. one of numerous oval bodies found in the dermal papillae of thick skin, especially those of the fingers and toes; they consist of a connective tissue capsule in which the axon fibrils terminate around and between a pile of wedge-shaped epithelioid cells; believed to be mechanoreceptors for tactile sensation. SYN: corpusculum tactus, Meissner c., oval c., touch c.. taste c. SYN: taste bud. terminal nerve corpuscles generic term denoting specialized encapsulated nerve endings such as the articular, bulboid, genital, lamellated, and tactile corpuscles, and the tactile meniscus. SYN: corpuscula nervosa terminalia. third c. SYN: platelet. thymic c. small spherical bodies of keratinized and usually squamous epithelial cells arranged in a concentric pattern around clusters of degenerating lymphocytes, eosinophils, and macrophages; found in the medulla of the lobules of the thymus. SYN: Hassall bodies, Hassall concentric c., Virchow-Hassall bodies. touch c. SYN: tactile c.. Toynbee corpuscles SYN: corneal corpuscles. Traube c. SYN: achromocyte. Tröltsch corpuscles minute spaces, resembling corpuscles, between the radial fibers of the drum membrane of the ear. Valentin corpuscles small bodies, probably amyloid, found occasionally in nerve tissue. Vater corpuscles SYN: lamellated corpuscles. Vater-Pacini corpuscles SYN: lamellated corpuscles. Virchow corpuscles SYN: corneal corpuscles. white c. any type of leukocyte. Zimmermann c. SYN: platelet.

corpuscula (kor-pus′ku-la)
Plural of corpusculum.

corpuscular (kor-pus′ku-lar)
Relating to a corpuscle.

corpusculum, pl .corpuscula (kor-pus′ku-lum, -ku-la)
SYN: corpuscle. corpuscula articularia SYN: articular corpuscles, under corpuscle. corpuscula bulboidea SYN: Krause end bulbs, under bulb. corpuscula genitalia SYN: genital corpuscles, under corpuscle. corpuscula lamellosa SYN: lamellated corpuscles, under corpuscle. corpuscula nervosa terminalia SYN: terminal nerve corpuscles, under corpuscle. c. renis, pl .corpuscula renis SYN: renal corpuscle. c. tactus, pl .corpuscula tactus SYN: tactile corpuscle.


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