| COO | chief operating officer; cost of ownership [analysis] |
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| COS | cheiro-oral syndrome; chief of staff; Clinical Orthopaedic Society; clinically observed seizures |
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |
| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
| CVO | central vein occlusion; central venous oxygen; Chief Veterinary Officer; credentialing verification ... |
| paraphysial body | Origin: NL, fr. Gr. Beside + growth. <botany> A minute jointed filament growing among the archegonia and antheridia of mosses, or with the spore cases, etc, of other flowerless plants. Source: Websters Dictionary (01 Mar 1998) |
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| geniculate body | See: lateral geniculate body, medial geniculate body. (05 Mar 2000) |
| paraterminal body | A slender vertical whitish band immediately anterior to the lamina terminalis and anterior commissure; contrary to its name, it is not a cortical convolution but is the ventral continuation of the transparent septum. Synonym: area subcallosa, gyrus paraterminalis, gyrus subcallosus, pedunculus corporis callosi, corpus paraterminale, paraterminal body, paraterminal gyrus, peduncle of corpus callosum, precommissural septal area, subcallosal area, Zuckerkandl's convolution. (05 Mar 2000) |
| carotid body | A small cluster of chemoreceptive and supporting cells located near the bifurcation of the internal carotid artery. The carotid body, which is richly supplied with fenestrated capillaries, senses the pH, carbon dioxide, and oxygen concentrations in the blood and plays a crucial role in their homeostatic control. (12 Dec 1998) |
| carotid body tumour | An invariably benign, encapsulated, firm round mass at the bifurcation of the common carotid artery, with nests of large polyhedral cells in alveolar or organoid arrangement. It is usually asymptomatic but large masses may encroach upon the parapharyngeal space and produce dysphagia, pain, and cranial nerve palsies. (12 Dec 1998) |
| giant cells, foreign-body | Multinucleated cells (fused macrophages), characteristic of granulomatous inflammation, which form around exogenous material in the skin. They are similar in appearance to langhans giant cells (giant cells, langhans), but foreign-body giant cells have more abundant chromatin and their nuclei are scattered in an irregular pattern in the cytoplasm. (12 Dec 1998) |
| parts of human body | The head, neck, trunk, and limbs. Synonym: partes corporis humani. (05 Mar 2000) |
| cavernous body of clitoris | 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. Synonym: cavernous body of clitoris. (05 Mar 2000) |
| cavernous body of penis | 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. Synonym: cavernous body of penis. (05 Mar 2000) |
| glass body | A circular body of extreme transparency except for a crescentic punctate substance on one edge which contains haemoglobin. The body is much larger than a red blood cell, but is thought possibly to be a degenerated red blood cell swollen by imbibition; it has been found in malaria and in convalescence from typhoid fever; the transparent portion is called the glass body. (05 Mar 2000) |
| regions of body | The topographical divisions of the body. Synonym: regiones corporis. (05 Mar 2000) |
| glomus body | 1. A small globular body. 2. A highly organised arteriolovenular anastomosis forming a tiny nodular focus in the nailbed, pads of the fingers and toes, ears, hands, and feet and many other organs of the body. The afferent arteriole enters the connective tissue capsule of the glomus, becomes devoid of an internal elastic membrane, and develops a relatively thick epithelioid muscular wall and small lumen; the anastomosis may be branched and convoluted, richly innervated with sympathetic and myelinated nerves, and connected with a short, thin-walled vein that drains into a periglomic vein and then into one of the veins of the skin. The glomus functions as a shunt-or bypass-regulating mechanism in the flow of blood, temperature, and conservation of heat in the part as well as in the indirect control of the blood pressure and other functions of the circulatory system. Synonym: glandulae glomiformes, glomiform glands, glomus body. Synonym: glome. Origin: L. Glomus, a ball (05 Mar 2000) |
| medial geniculate body | The medial one of a pair of prominent cell groups in the posteroinferior parts of the thalamus; it functions as the last of a series of processing stations along the auditory conduction pathway to the cerebral cortex, receiving the brachium of the inferior colliculus and giving rise to the auditory radiation to the auditory cortex in the superior temporal gyrus. Synonym: corpus geniculatum mediale, corpus geniculatum internum. (05 Mar 2000) |
| Renaut body | Subperineurial structure comprised of loosely arranged and randomly oriented collagen fibres in a fine fibrillary material, seen in normal nerve as well as in certain pathologic states. (05 Mar 2000) |
| vitreous body | The transparent gel that fills the inner portion of the eyeball between the lens (lens, crystalline) and the retina. (12 Dec 1998) |