| TTR | transthoracic resistance; transthyretin; triceps tendon reflex |
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| CALLA | Common Acute Lymphocytic(Lymphoblastic) Leukemia Antigen = CD10 = Enk... |
| CBD | Common Bile Duct - Absolute Ix of CBD Exploration 1. Palp... |
| CCA | Common Carotid Artery |
| CHA | Common Hepatic Artery |
| common plantar digital nerves | Three nerves derived from the medial plantar and one from the lateral plantar that supply the skin overlying the metatarsals and terminate as proper plantar digital nerves to the side of each toe. Synonym: nervi digitales plantares communes. (05 Mar 2000) |
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| common salt | <chemical> Table salt, NaCL. (09 Oct 1997) |
| common-source epidemic | <microbiology> An epidemic resulting from infection of a large number of people from a single contaminated source. (09 Oct 1997) |
| common tendinous ring | A fibrous ring that surrounds the optic canal and the medial part of the superior orbital fissure; it gives origin to the four rectus muscles of the eye and is partially fused with the sheath of the optic nerve. Synonym: annulus tendineus communis, Zinn's ligament, Zinn's ring, Zinn's tendon. (05 Mar 2000) |
| common variable immunodeficiency | Heterogeneous group of immunodeficiency syndromes characterised by hypogammaglobulinaemia of most isotypes, variable B-cell defects, and the presence of recurrent bacterial infections. (12 Dec 1998) |
| common vehicle spread | Spread of disease agent from a source that is common to those who acquire the disease, e.g., water, milk, air, syringe contaminated by infectious or noxious agents. (05 Mar 2000) |
| common wart | A keratotic papilloma of the epidermis which occurs most frequently in young persons as a result of localised infection by human papilloma virus, usually types 2 and 4; the lesions are of variable duration, eventually undergoing spontaneous regression, and are both exophytic and endophytic, with hyperkeratosis, parakeratosis, hypergranulosis, koilocytosis, and papillomatosis. Synonym: common wart, infectious warts, verruca simplex, viral wart. (05 Mar 2000) |
| Salisbury common cold viruses | Strains of rhinovirus of historical interest because of early studies that established the viral aetiology of common colds. (05 Mar 2000) |
| promontory common iliac lymph nodes | Nodes of the common iliac group located at the promontory of the sacrum. Synonym: nodi lymphatici promontorii, nodi lymphatici iliaci communes promontorii. (05 Mar 2000) |
| hepatic duct, common | Predominantly extrahepatic bile duct which is formed by the junction of the right and left hepatic ducts, which are predominantly intrahepatic, and, in turn, joins the cystic duct to form the common bile duct. (12 Dec 1998) |
| sphincter muscle of common bile duct | Smooth muscle sphincter of the common bile duct immediately proximal to the hepatopancreatic ampulla; it is this sphincter that controls the flow of bile in the duodenum. Synonym: musculus sphincter ductus choledochi, Boyden's sphincter, choledochal sphincter, sphincter muscle of common bile duct. (05 Mar 2000) |
| sphincter of common bile duct | Smooth muscle sphincter of the common bile duct immediately proximal to the hepatopancreatic ampulla; it is this sphincter that controls the flow of bile in the duodenum. Synonym: musculus sphincter ductus choledochi, Boyden's sphincter, choledochal sphincter, sphincter muscle of common bile duct. (05 Mar 2000) |
| leukocyte common antigen | Family of glycoproteins found on most leukocytes and absent from other cell types. These cell surface antigens can comprise up to 10% of the membrane proteins. (05 Mar 2000) |
| achilles tendon | <anatomy> The tendon which attaches to the heel and originates from the muscles in the calf (the gastrocnemius and soleus muscles). A strong fibrous tendon which connects the gastrocnemius muscle (calf) to the calcaneous bone in the foot. (27 Sep 1997) |
| achilles' tendon | <anatomy> The strong tendon formed of the united tendons of the large muscles in the calf of the leg, an inserted into the bone of the heel; so called from the mythological account of Achilles being held by the heel when dipped in the River Styx. Origin: L. Achillis tendo. Source: Websters Dictionary (01 Mar 1998) |