| beak | A prominent terminal projection, especially of a carpel or fruit. (09 Oct 1997) |
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| beak sign | <clinical sign> Appearance of the distal oesophagus, on a contrast oesophagram, in achalasia; also used to describe the proximal pyloric canal on upper GI series in congenital pyloric stenosis. (05 Mar 2000) |
| beaked | 1. Having a beak or a beaklike point; beak-shaped. "Each beaked promontory." 2. <biology> Furnished with a process or a mouth like a beak; rostrate. <zoology> Beaked whale, a cetacean of the genus Hyperoodon; the bottlehead whale. Source: Websters Dictionary (01 Mar 1998) |
| beaked pelvis | A pelvic deformity in osteomalacia; the pressure of the trunk on the sacrum and lateral pressure of the femoral heads produce a pelvic aperture that is three-cornered or has the shape of a heart or cloverleaf, while the pubic bone becomes beak-shaped. Synonym: beaked pelvis, rostrate pelvis. (05 Mar 2000) |
| beaker | A thin glass vessel, with a lip (beak) for pouring, used as containers for liquids. (05 Mar 2000) |
| beaker cell | 1. <pathology> Cell of the epithelial lining of small intestine that secretes mucus and has a very well developed Golgi apparatus. 2. <zoology> Cell type characteristic of larval lepidopteran midgut, containing a potent H ATPase and thought to be involved in maintenance of ion and pH gradients. (10 Oct 1997) |
| beakhead | 1. An ornament used in rich Norman doorways, resembling a head with a beak. 2. Same as Beak. Source: Websters Dictionary (01 Mar 1998) |
| parrot-beak nail | A markedly curved fingernail. (05 Mar 2000) |
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