| ANB | avascular necrosis of bone |
|---|---|
| BA | Bachelor of Arts; backache; bacterial agglutination; basilar artery; basion; benzyladenine; best amp... |
| BC | Bachelor of Surgery [Lat. Baccal-aureus Chirurgiae]; back care; bactericidal concentration; basal ce... |
| BFR | biologic false reaction; blood flow rate; bone formation rate; buffered Ringer [solution] |
| BG | basal ganglion; basic gastrin; Bender Gestalt [test]; beta-galactosidase; beta-glucuronidase; bicolo... |
| occipital horn | The posterior or occipital division of the lateral ventricle of the brain, extending backward into the occipital lobe; the posterior gray column of the spinal cord as appearing in cross section. Synonym: cornu posterius ventriculi lateralis, cornu posterius, cornua of spinal cord, occipital horn. (05 Mar 2000) |
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| occipital horn syndrome | <syndrome> An X-linked recessive disorder in which there is defective biliary excretion of copper resulting in a deficiency of lysyl oxidase causing skin and joint laxity. Ocular-mucous membrane syndrome, Stevens-Johnson syndrome with associated ocular lesions (conjunctivitis, panophthalmitis, iritis), oral lesions (bullae, erosions, superficial ulcers), and genital lesions (urethritis, balanitis circinata, blebs). (05 Mar 2000) |
| temporal horn | The part of the lateral ventricle extending downward and forward into the medial part of the temporal lobe. See: lateral ventricle. Synonym: cornu inferius ventriculi lateralis, temporal horn. (05 Mar 2000) |
| ten Horn | C., Dutch surgeon. See: ten Horn's sign. (05 Mar 2000) |
| ten Horn's sign | <clinical sign> Pain caused by gentle traction on the right spermatic cord, indicative of appendicitis. (05 Mar 2000) |
| tip of posterior horn | The pointed extremity of each posterior gray column or cornu of the spinal cord. Synonym: apex cornus posterioris, caput cornus, tip of posterior horn. (05 Mar 2000) |
| uterine horn | cornu uteri |
| lateral horn | The small lateral gray column of the spinal cord as appearing in transverse section containing the interomedial cell column. See: gray columns. Synonym: cornu laterale. (05 Mar 2000) |
| frontal horn | See: inferior horn of lateral ventricle, inferior horn. (05 Mar 2000) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |
| air-bone gap | The difference between the threshold for hearing acuity by bone conduction and by air conduction. (05 Mar 2000) |
| Albrecht's bone | A small bone between the basioccipital and basisphenoid. (05 Mar 2000) |
| allogeneic bone marrow transplant | <haematology, procedure> A bone marrow transplant using marrow collected from a matched healthy donor, usually a brother or sister. The risks associated with the transplant increase with age and 50 years of age is generally regarded as the upper limit. (13 Nov 1997) |
| alveolar bone | That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth. (12 Dec 1998) |
| alveolar bone loss | The resorption of bone in the supporting structures of the maxilla or mandible as a result of periodontal disease. (12 Dec 1998) |