BOO- 



BRA- 



nective tissue in which the ground- 

 substance is impregnated with salts 

 of lime (anat.). 



book gill, a gill composed of delicate 

 leaf-like lamellae placed one over 

 the other like leaves of a book, as 

 seen in Limulus (zool). 



book lung, a gill similar to a book 

 gill, but modified for air-breathing, 

 and open to the exterior only by a 

 small slit, as in Scorpions (zool). 



booted (boot'ed) a. [O. F. boute, boot.] 

 Equipped with raised horny plates 

 of skin, as feet of some birds 

 (zool.). 



bordered, pit, a form of pit developed 

 on the walls of tracheides, caused 

 by a portion of the wall remaining 

 unthickened (bot). 



bosselated (bos'elated) a. [M.E. 

 bosse, knob.] Covered with knobs, 

 as some mollusc shells (zool.}. 



bosset (bos'gt) n. [M.E. bosse, knob.] 

 The beginning of horn formation 

 in deer in the first year (zool.). 



bostryx (bos'tricks) n. [Gk. bostrychos, 

 curl.] A cymose inflorescence with 

 blooms on only one side of the axis 

 (bot.). 



botany (bot'am) n. [Gk. botane, pas- 

 ture.] That branch of biology 

 dealing with plants. 



bothridium (bothrld'ium) n. [Gk. 

 bothros, trench.] A muscular cup- 

 shaped outgrowth from scolex of 

 Cestoids ; a phyllidium (zool.). 



bothrium (both'rium) n. [Gk. bothros, 

 trench.] A sucker ; a sucking 

 groove of Cestoids (zool). 



botryoidal (bot'rioidal) a. [Gk. botrys, 

 bunch of grapes.] Appl. tissue of 

 branched canals surrounding the 

 enteric canal in leeches (zool). 



botryose .(bot'rios) a. [Gk. botrys, 

 bunch of grapes.] Racemose ; in 

 the form of a bunch of grapes 

 (bot.). 



bouillon (boo'yong) . [F. bouillir, 

 to boil.] An infusion of beef for 

 the cultivation of germs (phys.). 



Bowman's capsule, the vesicle of an 

 excretory tubule, one side of which 

 projects into the other, nearly 

 filling the cavity (anat). 



Bowman's glands (bo'manz), serous 

 glands in the corium of the olfactory 

 mucous membrane (anat). 



braccate (brak'at) a. [L. braccae, 

 breeches.] Appl. birds having 

 additional feathers on legs or feet 

 (zool). 



brachelytrous (brakel'itrus) a. [Gk. 

 brachys, short ; elytron, wing.] 

 Having short elytra, or wing 

 covers (zool). 



brachial (bra'kial) a. [L. brachium, 

 arm.] Pert, arm, arm-like. 



brachiate (bra'klat) a. [L. brachium, 

 arm.] Branched ; having opposite 

 paired branches on alternate sides 

 (bot). 



brachiferous (brakif'erus) a. [L. 

 brachium, arm ; ferre, to carry.] 

 Branched. 



brachigerous, brachiferous. 



brachiocephalic (brak'iokefal'ik, -sef-) 

 a. [L. brachium, arm ; Gk. kephale, 

 head.] Pert, arm and head, appl. 

 artery (anat). 



brachiocubital (brak'ioku'bital) a. [L. 

 brachium, arm ; cubitum, forearm.] 

 Pert, arm and forearm (zool). 



brachiolaria (brakiola'ria) n. [L. 

 brachiolum, a small arm.] A larval 

 stage in the metamorphosis of 

 certain starfishes (zool). 



brachiorachidian (brak'Torakld'ian) a. 

 [L. brachium, arm ; Gk. rhachis 

 spine.] Pert, arm and spine. 



brachium (brak'ium) n. [L. brach- 

 ium, arm.] An arm or branching 

 structure ; the upper limb of verte- 

 brates (zool). 



brachycerous (brakis'erus) a. [Gk. 

 brachys, short ; keras, horn.] Short- 

 horned ; with short antennae (zool). 



brachycnemic (brak'ikne'mik) a. [Gk. 

 brachys, short ; kneme, tibia.] 

 Appl. arrangement of mesenteries 

 of Zoanthids where the sixth 

 protocneme is imperfect (zool). 



brachydont (brak'idont) a. [Gk. 

 brachys, short ; odous, tooth.] Appl. 

 molar teeth with low crowns (zool). 



brachyodont, brachydont. 



brachyourous (brak'ioo'rus) a. Brach- 

 yural. 



brachypleural (brak'iploo'ral) a. [Gk. 

 brachys, short \pleuron, side.] With 

 short pleura or side plates (zool). 



brachypodous (brakip'b'dus) a. [Gk. 

 brachys, short ; pous, foot.] With 

 short legs (zool), or stalk (bot). 



brachypterous (brakip'tgrus) a. [Gk. 



