ORT- 
orthoenteric leben. a. 
[Gk. orthos, straight ; enferon, in- 
testine. ] Having i 
ts: teers ree ; appl. certain 
Tun inicates (zoo. 
orthog tats (einen m. (Gk. 
eae descent. 
pective of 
tinct type 
orthopterous (Grthdp oe a. = 
orthos, straight; pier ng.] 
laving straight folded aii 
= 
pee _ sine a 
(ér'théspér’mis) a. 
ea aah er A acto ote seed. ] 
With straight seeds 
orthostichous (érthés ‘Skt a. [Gk. 
; stichos, row. | 
a fin skeleton when the eri- 
pheral somactids are parallel as in 
Cladoselac he (fai.). 
orthostichy (Srthés’ ae nm. [Gk. 
orthos, straight; stichos, a row.] 
he vertical line o whic a row 
re) ves or scales is foun the 
arrangement 0 < the leaves or scales 
in this row (40 
orthotriaene “Gr thétri’ _ nm. [Gk. 
a trident. ] 
— at right om to the shaft 
gor ranege répizm) #. [Gk. 
a turning.] 
aving 
culans 
se ; inter- 
mediate in character between two 
groups (Biol ae 
ose (és'kilar) a. [L. osculum, a 
small mouth.] Pert. an osculum 
osculate (ds'kilat) v. [L. osculare, to 
kiss. o- have characters inter- 
mediate between two groups (dtol.). 
rous (os‘kilifériis) @. ([L. 
a a seal ants Jerre, to 
Having oscula (z 
ool). 
Priced (6s’kiilim) %. a osculum, 
219 
OST- 
asmall mouth.] An excurrent open- 
rst rear 
segment of the larva any 
butterflies, = oe an offen- 
sive smell (z 
— (sma" isis) n. [Gk. othein, to 
us diffusion which takes 
Ao between two miscible fluids 
through a permeable membrane 
tik) a. Bho et to 
sh.] ere osmosis (phy. 
osfra’d 
osp one 
osphradion, strong at | 
organ associated with the visceral 
ganglia in Molluscs, olfactory in 
function (zoo. 
ae ra,—the Wormian bones 
(ana 
ossein ‘Gs'8in) n. [L. osseus, — 
The aa base of bone (py. 
osseous (ds’etis) a. [L. osseus, bony 
Composed “6 or resembling bone 
ie ne (5s'ikl) 7. [L. es, bone.] Any 
small bone; one of those in the 
sclerotic; one of those in 
gastric m mill o ne a plate 
tudo cidals test 
cular (dsik’tlar) a. iL. 05, bone. ] 
Pert, ossicles. 
— (Osik’iltim) # ([L. os, 
ne.| An — a “ithe desma 
(sool.) ; a pyrene (doz.). 
ossification (vhk’svin) n. f. 
(a rs 
Oe (6s'tédblast) 7. 
(Gk. 
bone; d/astos, bud.] A 
Seen forming ‘ce cell (emd. 
osteoclast (ds’ es n. (Gk. osteon, 
a bone; A cell 
which absorbs in cocks up bony 
tissue (end.). 
(os’ Sasa = Gk. 
osteon, bone; somma, A 
segment of the vertabeak’ nr 
i.). 
200 
osteocranium (és'tédkra‘niiim) 2. 
[Gk. osteon, bone ; kranion, skull.} 
