BRA ( 



connect the two pairs of optic 

 lobes on each side with the 

 'thalamius opticus' and com- 

 mencement of the optic tracts: 

 brachialis, a., brak'.i-dVis (L. 

 brachialis, pert, to the arm 

 from brachium, the arm), pert, 

 to 'the arm : brachialis internus, 

 m-tern<us (L. internus, that is, 

 within), an inner muscle of the 

 arm which bends the forearm: 

 brachial, a., brak'-i-al, of or pert, 

 to the arm: brachialis anticus, 

 ant'lkf-us (L. anticus, that is, 

 before or in front from ante, 

 before), a muscle of the arm 

 which arises from the front of the 

 shaft of the humerus in its lower 

 half: bracMo-cephalic, a., brak< 

 i-d-st-fal'-ik (Gr. kephale, the 

 head), connected with the arm 

 and head ; applied to the innomin- 

 ate artery and vein. 



.brachiate, a., brdk^-dt (Gr. 

 brachion, L. brachium, the arm), 

 in bot., having opposite branches 

 on the stem alternately crossing 

 each other at right angles. 



3rachiopoda, n. plu., brak'i'd'p'. 

 dd> a (Gr. 'brachion, the arm ; 

 f pous, a foot, podes, feet), a class 

 or tribe of the Molluscoida, often 

 called 'lamp-shells,' which poss- 

 ess two fleshy arms continued 

 from the sides of the mouth : 

 brachiopodous, a., brak'i-dp'- 

 dd'US, having arms in place of 

 feet and legs. 



brachium, n., brak'i-um, brachia, 

 plu. (L. the arm), the upper arm 

 of vertebrates. 



Brachychiton, n., brakf-i-kit'tin 

 (Gr. brachus, short ; chaite, head of 

 hair, the mane of a horse), a genus 

 of plants having fine flowers and 

 short stellate hairs : Brachychiton 

 populneum, pop-ul'nZ'Um (L. 

 populneus, belonging to the pop- 

 lar from populus, the poplar 

 tree), the poplar bottle tree of 

 Australia. 



Brachyura, n. plu., brak'-i-tir'-d 

 (Gr. brachus, short ; oura, a 



t BRA 



tail), a tribe of the decapod 

 Crustaceans having short tails, as 

 the crabs. 



bracteae, n. plu., brdktf-e-e (L. 

 bractea, a thin plate of metal), 

 bracts or floral leaves : bract, n. , 

 brdkt, a floral leaf, a leaf more or 

 less changed in form, from which 

 a flower or flowers proceed : 

 bracteate, a., brakt'e-dt, also 

 bracteated, a., -dt-ed, applied to 

 flowers having bracts : bracteoles, 

 n. plu., brcikt'-e-olz (L. brdcteola, 

 a thin leaf of gold, dim. of bractea), 

 small or secondary bracts at the 

 base of separate flowers, between 

 the bracts and flowers : bractlet, 

 n. , brdkt'-let, a bracteole. 



Bradypodidae, n. plu., brad'>f> 

 pod'-id-e (Gr. bradus, slow ; 

 podes, feet), the family of Eden- 

 tata, comprising the sloths. 



branches, n. plu., brdnsh'-'es (It. 

 branco, F. branche, a branch ; 

 It. branca, the claw of a beast), 

 in bot., principal divisions of an 

 axis or stem ; a bough ; in anat. , 

 the principal division of an art- 

 ery or nerve: branchlets, n. plu., 

 bransh'lets, little or secondary 

 branches. 



branchiae, n. plu., brdngkf-i-e (Gr. 

 brangchia, the gill of a fish), the 

 gills of a fish, respiratory organs 

 adapted to breathe air dissolved 

 in water: branchiate, a., brdngk'- 

 i-dt, possessing gills or branchiae: 

 Branchifera, n. plu., brangk-if. 

 %r>d (Gr. phero, L.fero, I carry), 

 a division of gasteropodous 

 Molluscs having the respiratory 

 organs mostly in the form of 

 distinct gills: Branchio-gasterop- 

 oda, brangk'4- d-gdst'8r - op'-od d, 

 another name for Branchifera : 

 branchiopoda, n. plu., brangk'-i- 

 op'od-d, also branchiopods, n. 

 plu., brang'i'd-p6ds (Gr. pous, 

 a foot, podes, feet), Crustacea in 

 which the gills are supported by 

 the feet : branchiopodous, a., 

 brdngk f -i-op f -6d'US, gill-footed. 



branchiostegal, a., 



