BIO- 



33 



BIT- 



life ; tonos, strain.] The ratio 

 between assimilation and dissimila- 

 tion of the biogens (phys.). 



biovulate (blov'ulat) a. [L. bis, twice ; 

 ovum, egg.] Containing two ovules 

 (bot.). 



bipaleolate (blpal'eolat) a. [L. bis, 

 twice ; palea, chaff.] Furnished 

 with two small paleae (bot.). 



bipalmate (blpal'mat) a. [L. bis, 

 twice ; palma, palm of the hand.] 

 Lobed with the lobes again lobed 

 (bot.). 



biparietal (bl'parl'gtal) a. [L. bis, 

 twice ; paries, wall.] Linking up 

 or connected with the two parietal 

 eminences (anat.). 



biparous (bip'arus) a. [L. bis, twice ; 

 parere, to beget.] Having two 

 young at a time (zool.). 



blpectinate (blpgk'tinat) a. [L. bis, 

 twice ; pecten, comb.] Having the 

 two margins furnished with teeth 

 like a comb (bot., zool.). 



biped (bl'ped) . [L. bis, twice ; pes, 

 foot.] A two-footed animal. 



bipennlform (blpgn'iform) a. [L. bis, 

 twice ;penna, feather ; forma, shape.] 

 Feather-shaped, with the sides of 

 the vane of equal size ; appl. some 

 muscles (anat.). 



bipetalous (blpet'alus) a. [L. bis, 

 twice ; Gk.petalon, leaf.] With two 

 petals (bot.). 



bipinnaria (bipina'ria) n. [L. bis, 

 twice ; pinna, feather.] An aster- 

 oid larva with pre-oral and post-oral 

 bands of cilia (zool.). 



bipinnate (blpln'at) a. [L. bis, twice ; 

 pinna, feather.] Having leaflets 

 growing in pairs on paired stems 

 (bot.). 



bipinnatifid (bl'pinat'ifid) a. [L. bis, 

 twice ; pinna, feather ; findere, to 

 cleave.] With leaves segmented 

 and these segments again divided 

 (bot.). 



bipinnatlpartite (bi'pinat'ipartlt) a. 

 [L. bis, twice ; pinna, feather ; 

 partiri, to divide/] Bipinnatifid, 

 but with divisions extending nearly 

 to the midrib (bot.). 



bipinnatisect (bl'plnat'isekt) a. [L. 

 bis, twice ; pinna, feather ; secare, 

 to cut.] Bipinnatifid, but with 

 divisions extending to the midrib 

 (bot.). 



biplicate (bip'likat) a. [L. bis, twice ; 

 plicare, to fold.] Having two folds. 



bipocillus (bl'pbsil'us) n. [L. bis, 

 twice ; pocillum, a little cup.] A 

 microsclere with curved shaft and 

 cup-shaped expansion at each end 

 (zool.). 



bipolar (blpo'lar) a. [L. bis, twice ; 

 Gk. polos, pivot.] Having a pro- 

 cess at each end or pole, appl. 

 nerve cells (anat.). 



bipolarity (bl'polaYrti) n. [L. bis, 

 twice ; Gk. polos, pivot.] The 

 condition of having two polar pro- 

 cesses ; the condition of having 

 two distinct poles, as the vegetative 

 and animal poles in an egg (biol.). 



biramose (blra'm5s) a. [L. bis, twice ; 

 ramus, branch.] Divided into two 

 branches. 



biramous, biramose. 



birostrate (blros'trat) a. [L. bis, 

 twice ; rostrum, beak.] Furnished 

 with two beak-like processes. 



birth pore, the uterine pore of 

 Trematodes and Cestodes ; the 

 birth-opening of the rediae of Tre- 

 matodes (zool.). 



biseptate (blsep'tat) a. [L. bis, twice ; 

 septum, fence.] Having two parti- 

 tions. 



biserial (blse'rlal) a. [L. bis, twice ; 

 series, series.] Arranged in two 

 rows. 



biserrate (biser'at) a. [L. bis, twice ; 

 serra, saw.] Having marginal teeth 

 which are themselves notched (bot.). 



bisexual (blsek'sual, blsek'shual) a. 

 [L. bis, twice ; sexus, sex.] Having 

 both male and female reproductive 

 organs (biol.). 



bistephanic (bl'stefan'lk) a. [L. bis, 

 twice ; Gk. Stephanos, crown.] 

 Joining the two points where the 

 coronal suture crosses the superior 

 temporal ridges (anat.). 



bistipulate (blstip'ulat) a. [L. bis, 

 twice ; stipitla, stem.] Provided 

 with two stipules (bot?). 



bistratose (blstrat'os) a. [L. bis, 

 twice ; stratum, layer.] With cells 

 arranged in two layers (bot.). 



bisulcate (blsul'kat) a. [L. bis, twice ; 

 sulcus, groove.] Havingtwogrooves 

 (zool.). 



bitemporal (bite"m'p6ral) a. [L. bis, 

 twice ; teinporalis, temporary.] 

 C 



