| bulla ethmoidalis | A bulging of the inner wall of the ethmoidal labyrinth in the middle meatus of the nose, just below the middle nasal concha; it is regarded as a rudimentary concha. Synonym: bulla ethmoidalis. (05 Mar 2000) |
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| bulla tympanica | The bony capsule enclosing the middle ear of the cat and dog. (05 Mar 2000) |
| bullace | <botany> A small European plum (Prunus communis, var. Insitita). See Plum. The bully tree. Origin: OE. Bolas, bolace, OF. Beloce; of Celtic origin; cf. Arm. Bolos, polos, Gael. Bulaistear. Source: Websters Dictionary (01 Mar 1998) |
| bullae | The pleural of bulla. (05 Mar 2000) |
| bullate | <biology> Appearing as if blistered; inflated; puckered. <botany> Bullate leaf, a leaf, the membranous part of which rises between the veins puckered elevations convex on one side and concave on the other. Origin: L. Bullatus, fr. Bulla bubble. Source: Websters Dictionary (01 Mar 1998) |
| bullcomber | <zoology> A scaraboid beetle; especially. The Typhaeus vulgaris of Europe. Source: Websters Dictionary (01 Mar 1998) |
| bulldog | 1. <zoology> A variety of dog, of remarkable ferocity, courage, and tenacity of grip; so named, probably, from being formerly employed in baiting bulls. 2. <chemistry> A refractory material used as a furnace lining, obtained by calcining the cinder or slag from the puddling furnace of a rolling mill. Characteristic of, or like, a bulldog; stubborn; as, bulldog courage; bulldog tenacity. <zoology> Bulldog bat, a bat of the genus Nyctinomus; so called from the shape of its face. Source: Websters Dictionary (01 Mar 1998) |
| bulldog calf | A calf with a short muzzle and brachycephalic skull, usually resulting from chondrodystrophy; associated with this condition are shortened limbs and anomalies of the vertebral centra; it often results in respiratory and feeding difficulties, and is sometimes fatal. Synonym: bovine achondroplasia. (05 Mar 2000) |
| bulldog forceps | A forceps for occluding a blood vessel. (05 Mar 2000) |
| bulldog head | The broad head with high vault occurring in achondroplasia. (05 Mar 2000) |
| bullectomy | Resection of a bulla; helpful in treating some forms of bullous emphysema, in which giant bullae compress functioning lung tissue. (05 Mar 2000) |
| bullen-bullen | <zoology> The lyre bird. Origin: Native Australian name, from its cry. Source: Websters Dictionary (01 Mar 1998) |
| bullet forceps | A forceps with thin curved blades with serrated grasping surfaces, for extracting a bullet from tissues. (05 Mar 2000) |
| bullet shaped vertebrae | <radiology> Differential diagnosis: Morquio disease, achondroplasia, Hurler disease (12 Dec 1998) |
| bullet-proof | Capable of resisting the force of a bullet. Bullet tree. See Bully tree. Bullet wood, the wood of the bullet tree. Source: Websters Dictionary (01 Mar 1998) |