BAS- 



29 



BDE- 



a basidium ; a basidiogonidium 

 (tot.). 



basidium (basld'ium) n. [Gk. basis, 

 base.] A special cell of certain 

 Fungi forming spores by abstriction 

 (dot.}, 



basidorsal (ba'sidor'sal) a. [L. basis, 

 base ; dorsum, back.] Appl. a 

 small cartilaginous neural plate 

 which fuses with the neural process 

 in the adult (emb.). 



basiflxed (ba'sifiksd) a. [L. basis, 

 base ; figere, to make fast.] At- 

 tached by the base ; innate, or 

 having the filament attached to 

 base of anther (tot.). 



basifugal (ba'sTfu'gal, baslf'ugal) a. 

 [L. basis, base ; fugere, to flee.] 

 Growing away from the base (bot.). 



basigamous (basTg'amus) a. [Gk. 

 basis i base ; gatnos, marriage.] 

 Having the oosphere reversed in 

 the embryo-sac (bot.). 



basihyal (ba'sihral) n. [Gk. basis, 

 base ; hyoeides, Y-shaped.] Broad 

 median plate, the basal or median 

 ventral portion of the hyoid arch 

 (*). 



basilar (bas'ilar) a. [L. basis, base.] 

 Pert, or near the base ; appl. artery, 

 crest, membrane, plexus (anat.), 

 plate (smb.), style (tot.). 



basilic (basil'ik) a. [Gk. basilikos, 

 royal.] Appl. a large vein on the 

 inner side of the biceps of the arm 

 (anat.). 



basilingual (ba'siling'gwal) a. [L. 

 basis, base ; lingua, tongue.] Appl. 

 a broad flat cartilaginous plate, the 

 body of the hyoid, in crocodiles, 

 turtles, and amphibians (zoo/.). 



basioccipital (ba'sioksTp'ital) n. [L. 

 past's, base ; occiput, back of head.] 

 The median ventral bone or element 

 in the occipital region of the skull 

 (anat.). 



basion (ba'slon) n. [L. basis, base.] 

 The middle of the anterior margin 

 of the foramen magnum (anat.). 



basiophthalmite (ba'slofthal'mlt) n. 

 [Gk. basis, base ; ophthalmos, eye.] 

 The proximal joint of the eye-stalk 

 in Crustaceans (zoo/.). 

 basipetal (basip'etal) a. [Gk. basis, 

 base ; L. petere, to seek.] Develop- 

 ing from apex to base ; appl. leaves 

 and inflorescences (tot.). 



basipodite (baslp'odlt) n. [Gk. basis, 

 base ; pous, foot.] The second or 

 distal joint of the protopodite of 

 certain limbs of Crustacea (zool.). 



basipterygium (ba'sTptgrij'ium) tt. 

 [Gk. basis, base ; pterygion, little 

 wing.] A large flat triangular bone 

 in the pelvic fin of Teleosts, and a 

 bone or cartilage in other fishes 

 (zool.). 



basipterygoid (ba'sYpt&tgoid) n. [Gk. 

 basis, base ; pterygion, little wing.] 

 A process of the basisphenoid in 

 some birds (zool.). 



basisphenoid (ba'stsfe'noid) n. [Gk. 

 basis, base ; sphen, wedge ; eidos, 

 resemblance.] A cranial bone 

 between the basioccipital and pre- 

 sphenoid (zool.). 



basitemporal (ba'sTtem'poral) n. [L. 

 basis, base ; temporalis, temporary.] 

 A broad membrane bone covering 

 the basisphenoidal region of the 

 skull (zool.). 



basivertebral (ba'siveYtgbral) a. [L. 

 basis, base ; vertebra, vertebra.] 

 Appl. vertebral veins emerging on 

 the posterior surface (anat.). 



basophil (ba'sofil) a. [Gk. basis, 

 base ; philein, to love.] Appl. 

 leucocytes having a strong affinity 

 for basic dyes (phys.). 



bast (bast) n. [A.S. baest, bast.] The 

 inner fibrous bark of certain trees ; 

 the strong fibre obtained from 

 certain trees ; phloem (tot.). 



bastard wing, the ala spuria, con- 

 sisting of three quill feathers borne 

 on the first digit of bird's wing 

 (zoo!.). 



bathy limnetic (bath'ilTmngt'ik)a. [Gk. 

 bathys, deep ; limnetes, living in 

 marshes.] Living or growing in 

 the depths of lakes or marshes. 



bathypelagic (bath'ipglaj'Ik) a. [Gk. 

 bathys, deep ; pelagos, sea.] In- 

 habiting the deep sea (zool.). 



bathy smal (bathlz'mal) a. [Gk. bathys, 

 deep.] Pert, the deepest depths of 

 the sea (zool.). 



batrachian (batra'kTan) a. [Gk. ba- 

 trachos, frog.] Relating to frogs 

 and toads (zool.). 



bdelloid (deToid) a. [Gk. bdella, 

 leech ; eidos, resemblance.] Leech- 

 like, or having the appearance of a 

 leech (zool.). 



