BULBI VESTIBULI 



243 



BURNER 



course is slow but progressive, and death usually 

 results in from one to four years. Bulbar paralysis 

 usually occurs after forty years of age. Syphilis is 

 not a predisposing cause. The disease is also called 

 Labio-glosso-laryngeal Paralysis. There is also a 

 pseudo-bulbar paralysis, due to symmetrical lesions of 

 the motor cerebral cortex. 



Bulbi vestibuli (bul'-bi ves-til/ -u-li) [L.]. A name 

 sometimes given to the glands of Bartholin. 



Bulbil, or Bulblet {bul'-bil, bull/ -let) [3o/^6c, a bulb]. 

 Small bulbs of fleshy buds frequently occurring on 

 above-ground parts of plants, as the bulblets of some 

 onions and of the tiger- lily. 



Bulbillae [bul-bil'-e) [bulbillus, dim. of bulbus, a bulb]. 

 In biology, gemmae of hydroid zoophytes that become 

 detached at an early stage, and are then capable of 

 independent development. 



Bulbo-cavernosus {bul-bo-kav-ern-o' -sus) [,3o/./?oc, a 

 bulb; caverna, a cavern]. A perineal muscle in the 

 male subject, corresponding to the sphincter vaginas 

 of the female. See Muscles, Table of. 



Bulbo-urethral {bul-bo-u-reth' '-ral) [3n?.36c, a bulb ; 

 wprfipa, the urethra]. Relating to the bulb of the 

 urethra. 



Bulbus {bul'-bus) [L.]. A bulb. B. arteriosus; in 

 a certain stage in the development of the heart, the 

 upper aortic enlargement is so called. B. cornu pos- 

 teriorus. See Occipital Eminence. B. rhachidicus, 

 the oblongata. 



Bulesis (bu-le'-sis) [3ov/.r/aic, the will]. The will, or 

 an act of the will. 



Bulimia {bu-lim' -e-a A) [3ov, increase; fapdg, hunger]. 

 Excessive, morbid hunger; it sometimes occurs in 

 idiots and insane persons, and it is also a symptom of 

 diabetes mellitus. 



Bulimic {bu-lim' -ik) [3ov, increase; l-i[*6<;, hunger]. 

 Pertaining to or affected with bulimia. 



Bulithos {bu'-lith-os) [3oir, ox; ?.L6oc, stone]. A 

 bezoar from the ox or the cow. 



Bulla {bul'-ah) [bulla, a bubble : //. , Bulla]. A bleb 

 or "blister," consisting of a portion of the epidermis 

 detached from the skin by the infiltration of watery 

 fluid. The bulla differs from the vesicle mainly in 

 size. B. ethmoidalis, a rounded projection into 

 the middle meatus of the nose, due to an enlarged 

 ethmoid cell. B., Hemorrhagic. See Purpura. 

 B. ossea, the inflated or dilated part of the bony 

 external meatus of the ear. 



Bullate {bill' -at) [bulla, & bubble]. Inflated; forni- 

 cated and with thin walls ; blistered ; marked by 

 bulls. 



Bullet Extractor (bill' '-et eks-trak' '-tor) . See Forceps. 



Bullous {bill' -us) [bulla, a blister]. Marked by bullae ; 

 of the nature of a bulla. 



Bully's Toilet Vinegar. A cosmetic consisting of 

 tincture of benzoin, I.o ; acetic acid, 4.0 ; Cologne 

 water, ioo.o. 



Bully Tree {bul'-e-tre). See Balata. 



Bulopeithia {bu-lo-pi' '-the-ah) [3ov?J/, will ; TtEidetv, to 

 persuade]. An exaggerated hopefulness or morbid 

 expectation of that which is desired. 



Bumastos {bu-mas'-tos) [3oi>g, large (ox) ; (iaar6q, 

 breast]. A very large or hypertrophied mamma. 



Bumble Foot {bum'-bl foot). A disease of poultry, 

 appearing as a wart-like substance growing in the ball 

 of the foot. It is caused by high perches or by con- 

 stant walking on cement or stone. 



Bump {bump) [origin uncertain]. Any one of those 

 eminences of the external surface of the skull that are 

 conceived by phrenologists to mark the localities of 

 the various " organs " of the brain. 



Bumstead's Operations. See Operations, Table of. 



Bundle {bun'-dl) [ME., bundel~\. In biology, a fasci- 

 cular grouping of elementary tissues, as nerve-fibers or 

 muscle-fibers. B. of Vicq d'Azyr, a thick bundle 

 of nerve-fibers arising in the more caudad of the two 

 median nuclei of the corpus candicans of the brain, 

 and extending to the anterior tubercle of the thalamus. 

 It was formerly called the fornix descendens. B.- 

 sheath, " In many plants a ring of cells, often with 

 strongly-thickened and lignified walls, developed only 

 on the outside of the bast, or around the entire bundle, 

 or around the whole mass of fibro-vascular bundles." 

 (Thoma.) 



Bunion {bun'-yun) [origin uncertain]. A swelling of 

 a bursa of the foot, especially of the great toe. 



Bunodont {bu'-no-dont) [3ow6q, a hill, mound ; b66vq, 

 tooth]. Pertaining to tuberculate molar teeth. 



Bunsen Burner. See Burner. B. Cell. See Cell. 



Bunt {bunt). See Smut. 



Buphthalmia {bufthal' -me-ah) , or Buphthalmos 

 {bufthal' -mos) [3ovq, ox; 006a). [i6e, eye]. See 

 Keratoglobus. 



Bupleurum {bu-plu f -rum) [L.]. A genus of umbelli- 

 ferous herbs. Several old-world species were formerly 

 employed in medicine, especially B. rotundifolium , 

 of which the leaves and fruit are considered vulnerary 

 and discutient. Unof. 



Bur, or Burr [ME., burre, a bur]. I. In botany, a 

 rough, prickly shell or case. 2. The lobe of the ear. 

 3. In dentistry, an instrument for polishing the teeth. 

 B. Drills, dental instruments of spherical, cone-shape, 

 cylindrical, and wheel-forms, for opening and form- 

 ing cavities. Flexible burs and drills having spring- 

 tempered stems are used for opening and preparing 

 nerve canals. B. Thimble, in dentistry, an open 

 ring for the middle or index finger, with a socket 

 attached, in which rests the end of the handle of the 

 drill used in excavating a cavity in a tooth, preparatory 

 to filling it. 



Burckhardt's Operation. See Operations, Table of. 



Burcquism (boork' -izm). See Metallotherapy. 



Burdach, Column of. See Funiculus cuneatus and 

 Column. B., Cords of, the cords formed in the dorsal 

 zone of the human spinal cord by the meeting of the 

 oval bundles of His below the cords of Goll. B.'s 

 Fissures. See Fissures, Table of. 



Burdock {ber'-dok). See Lappa. 



Burdwan Fever {berd'-ivan fe'-ver). See Fever. 



Buret, or Burette {bu-ret') [Fr.]. A graduated tube 

 designed for measuring small quantities of a reagent. 

 It is usually held vertically in a stand and provided 

 with a stopcock. 



Burggrave's Apparatus. Same as Seutin's Appara- 

 tus, with the addition of a layer of wool around the 

 limb. 



Burgundy Pitch. See Fix. 



Burking [Burke, a noted criminal] . Suffocation pro- 

 duced by a combination of pressure on the chest with 

 closure of the mouth and nostrils. This was the 

 method employed by Burke. 



Burmah Boil. A form of endemic ulcer common in 

 Burmah. 



Burmese {bur-mez') [native]. Pertaining to Burmah, 

 a province of Farther India. B. Lacquer. See 

 Lacquer. B. Ringworm, Fox's name for a severe 

 and troublesome form of Tinea circinata. 



Burn [ME., bernen, to bum]. 1. To become inflamed. 

 2. To be charred or scorched. 3. To have the sensa- 

 tion of heat. 4. An injury caused by fire or dry heat. 

 5. A disease in vegetables. 6. In chemistry, to 

 oxygenize. 7. In surgery, to cauterize. 



Burner [ME., bernen, to burn]. A common name 

 for a lamp or heating apparatus used in laboratories 



