| collecting tubule | The continuation of the tubulus seminifer contortus which becomes straight just before entering the mediastinum to form the rete testis. Synonym: tubulus renalis rectus, tubulus seminifer rectus, collecting tubule, straight tubule, tubulus rectus, tubulus rectus, vasa recta. (05 Mar 2000) |
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| collectins | A family of molecules that recognise and opsonise microbes during the preimmune response of a host. (05 Mar 2000) |
| collective bargaining | The process of negotiation between representatives of an employee organization, association or union, and representatives of the employer. (12 Dec 1998) |
| collective group | <zoology> An aggregate of related species of which the generic position is uncertain. According to the Code, for the sake of taxonomic convenience, may be treated as a genus. Such a collective group does not require a type species. Assignment to a collective group is a temporary, convenient, identifying label. (09 Jan 1998) |
| collective-group name | 1. A name established expressly for a collective group. 2. A name established for a nominal genus or subgenus and later used for a collective group. (09 Jan 1998) |
| college admission test | Test designed to identify students suitable for admission into a graduate or undergraduate curriculum. (12 Dec 1998) |
| collenchyma | <plant biology> Plant tissue in which the primary cell walls are thickened, especially at the cell corners. Acts as a supporting tissue in growing shoots, leaves and petioles. Often arranged in cortical ribs, as seen prominently in celery and rhubarb petioles. Lignin and secondary walls are absent, the cells are living and able to grow. (18 Nov 1997) |
| Colles fracture | <orthopaedics> A common fracture of the distal radius at the wrist joint due to a fall on an outstretched hand. Colles fracture is also referred to as the silver fork deformity, because the distal fracture fragment is usually angulated upwards (dorsal angulation). The resultant bend in the wrist results in the familiar appearance of a fork. If the resultant fracture angulation is in the opposite direction (toward the palm) it is referred to as a Smith's fracture. (27 Sep 1997) |
| Colles' fascia | The membranous layer of the subcutaneous tissue in the urogenital region attaching posteriorly to the border of the urogenital diaphragm, at the sides to the ischiopubic rami, and continuing anteriorly onto the abdominal wall. Synonym: fascia perinei superficialis, Colles' fascia, Cruveilhier's fascia, membranous layer of superficial fascia. (05 Mar 2000) |
| colles' fracture | Fracture of the lower end of the radius in which the lower fragment is displaced posteriorly. (12 Dec 1998) |
| Colles' ligament | <anatomy> A triangular fibrous band extending from the aponeurosis of the external oblique to the pubic tubercle of the opposite side. See: aponeurosis of external abdominal oblique muscle. Synonym: ligamentum reflexum, Colles' ligament, fascia triangularis abdominis, reflex ligament, triangular fascia. (05 Mar 2000) |
| Colles' space | The superficial compartment of the perineum; the space bounded above by the perineal membrane (inferior fascia of the urogenital diaphragm) and below by the superficial perineal (Colles') fascia; it contains the root structure of the penis or clitoris and associated musculature, plus the superficial transverse perineal muscle and, in the female only, the greater vestibular glands. Synonym: spatium perinei superficiale, Colles' space, superficial perineal pouch. (05 Mar 2000) |
| Colles, Abraham | <person> Irish surgeon, 1773-1843. See: Colles' fascia, Colles' fracture, Colles' ligament, Colles' space. (05 Mar 2000) |
| Collet-Sicard syndrome | <syndrome> Unilateral lesions of the ninth, tenth, eleventh, and twelfth cranial nerves producing Vernet syndrome and paralysis of the tongue on the same side. (05 Mar 2000) |
| colliculate | Covered with small, rounded or hill-like elevations (colliculae). (09 Oct 1997) |
Synonyms :
Synonyms : Omental Appendices, Omental Appendix, Appendices, Omental, Appendix, Omental
Synonyms : Ascending Colon, Hepatic Flexture, Right Colic Flexure, Colic Flexure, Right, Hepatic Flextures
Synonyms : Descending Colon
Synonyms : Sigmoid Colon
| colostomy |
a surgical operation that creates an opening from the colon to the surface of the body to function as an anus
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| collimator |
a small telescope attached to a large telescope to use in setting the line of the larger one optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
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| colophony |
translucent brittle substance produced from pine oleoresin; used especially in varnishes and inks and on the bows of stringed instruments
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| colostrum |
milky fluid secreted for the first day or two after parturition
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| color spectrum |
visible spectrum: the distribution of colors produced when light is dispersed by a prism
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| col | a band that fits around the neck and is usually folded over |
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| col | a band of leather or rope that is placed around an animal's neck as a harness or to identify it |
| col | take into custody, as of suspected criminals, by the police |
| col | furnish with a collar |
| col | seize by the neck or collar |
| col | a disease affecting the trunks of pear and apple trees |
| col | any of the flagellated cells in sponges having a collar of cytoplasm around the flagellum |
| col | bone linking the scapula and sternum |
| col | variety of kale having smooth leaves |
| col | smooth-leaved kale |
| col | smooth-leaved kale |
| col | any of several robust long-tailed lizards with collars of two dark bands |
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