BRA- 



5TEPH 



37 



BRE- 



brachys, short ; pteron, wing.] With 



short wings (zool.). 

 brachystomatous (brak'istom'atus) a. 



[Gk. brachys, short ; stoma, mouth.] 



With short proboscis ; appl. certain 



insects {zool.}. 

 brachyural (brak'fu'ral) a. [Gk. 



brachys, short ; oitra, tail.] Having 



a short abdomen usually tucked in 



below the thorax ; appl. certain 



crabs (zool.). 

 bract (brakt) n. [L. bractea, thin 



plate of metal.] A floral leaf; a 



modified leaf in whose axil a flower 



arises (hot.) ; a hydrophyllium in 



Siphonophora ; the distal exite of 



the sixth appendage of Apus 



(zool.\ 

 bract scales, small scales developed 



directly on the axis of cones ; cf. 



ovuliferous scales (dot.). 

 bracteal (brak'teal) a. [L. bractea, 



thin metal plate.] Like a bract 



(hot.). 

 bracteate (brak'teat) a. [L. bractea, 



thin metal plate.] Having bracts 



(JWL). 



bracted, bracteate. 

 bractelform (brakte'iform) a. [L. 



bractea, metal plate ; forma, shape.] 



Bracteal. 

 bracteolate (brak'te6lat)#. [L. bractea, 



metal plate.] Appl. flowers with 



bracteoles (bot.). 

 bracteole (brfxk'teol) n. [L. bractea, 



metal plate.] Secondary bract at 



the base of flower (bot.). 

 bracteose (brak'teos) a. [L. bractea, 



metal plate.] With many bracts 



(bot.). 



bractlet, bracteole. 

 brain (bran) n. [M.E. brayne, brain.] 



The centre of the nervous system ; 



the mass of nervous matter in 



vertebrates at the anterior end of 



the spinal cord, lying in the skull ; 



in invertebrates, the supraoeso- 



phageal or suprapharyngeal ganglia 



branch (bransh) n. [It. branca, claw.] 

 A bough ; a principal outgrowth 

 from a stem or axis (bot.) ; a prin- 

 cipal division of an artery, vein, or 

 nerve (anai.). 



branchia (brang'kia) ., branchiae 

 (brang'kle, -kia), plu. [Gk. brang- 

 chia, gills.] Gills (zool.). 



branchiae (brang'kiak) a. [Gk. brang- 

 chia, gills.] Pert, gills. 



branchial, branchiae. 



branchial arch, one of the bony or 

 cartilaginous arches placed on the 

 side of the pharynx posterior to the 

 hyoid arch, and supporting gill 

 bars (zoo/.). 



branchiate (brang'kiat) a. [Gk. 

 brangchia, gills.] Having gills 

 (zool.). 



branchicolous (brangkik'olus) a. [Gk. 

 brangchia, gills ; L. colere, to in- 

 habit.] Parasitic on fish gills ; appl. 

 certain Crustaceans (zool.). 



branchiforra (brang'kiform) a. [Gk. 

 brangchia, gills ; L. forma, shape.] 

 Gill-like (sool.). 



branchihyal (brang'klhfal) a. [Gk. 

 brangchia, gills ; hyoeides, Y-shaped.] 

 One of the elements of a branchial 

 arch (zool.). 



branchiocardiac (brang'ktokar'diak) a. 

 [Gk. brangchia, gills ; kardia, heart.] 

 Pert, gills and heart ; appl. vessel 

 given off ventrally from the ascidian 

 heart (zool.). 



branchiomere (brang'klomer) n. [Gk. 

 brangchia, gills ; meros, part.] A 

 branchial segment (zool., emb). 



branchiopallial (brang'klopal'lal) a. 

 [Gk. brangchia, gills ; L. pallium, 

 mantle.] Pert, gill and mantle of 

 Molluscs (zool.). 



branchiostegal (brang'klos'tggal) a. 

 [Gk. brangchia, gills ; stege, roof.] 

 With or pert, a gill cover ; appl. 

 membrane, rays, etc. (zool.). 



branchiostege (brang'klostej') n. [Gk. 

 brangchia, gills ; stege, covering.] 

 The branchiostegal membrane 

 (zool.). 



branchiostegite (brang'klos'tgglt) . 

 [Gk. brangchia, gills ; stege, roof.] 

 The expanded lateral portion of the 

 carapace forming the gill cover in 

 certain Crustaceans (zool.). 



branchireme (brang'klrem) n. [Gk. 

 brangchia, gills ; L. remus, oar.] 

 A branchiate limb ; any of the 

 locomotory and respiratory limbs 

 of a Branchiopod (zool.). 



brand (brand) n. [A.S. beornan, to 

 burn.] A fungus producing a burnt 

 appearance on leaves of trees (tot.). 



bregma (brgg'ma) n. [Gk. bregma, 

 fore part of head.] That part of 



