ISO- 158 
the flagella of equal length 
(zool.). 
mere (i’sémér) 7. [Gk. zsos, oes 
meros, part.] . homolo ogous struc 
ture or part (zoo/.). 
equal; mo. ele 
!eeraant Ahr alike (70 ee 
hism (i’sémér’fizm) 7. [Gk 
pe. 
different race or species (dzo/.) 
isomorphous (i’sémér’fiis) a. Isomor- 
hic 
isopedine ag sa m. [Gk. Becca 
level.] A r of compact bon 
arrari in are fish souls pete . 
petalous (i’sépét’a —— seo ts0s, 
equal; pela so a -] Having 
mauiee aes s (0 Zz): 
hytoid (iséfitoid) a [Gk. zsos, 
publ 5 piyhe, pat io “indi- 
vidual” or part mpound 
plant not * differentiated oe the 
rest att z.). 
(isbp’édiis) Qe TGs 
peri eg pous, foot.] eee the 
legs alike and equal (zool. ) 
s6pég’éniis) a. [G 
re (i's6spor’) 7. Gk — on 
| eke seed.] An 
by et en See oF ah 
aoate (zool., bot. 
ro’ 
us (isds’ périis) a. [Gk. ZS05, 
e 
isotomy (isdt'6mi) 7, Gk. isos, 
equal ; temnein, to cut.] Bifurca- 
sgaeoerenis (7 sétoni 
ual ; 
phys.). 
isotropous (isdt’rdpiis) 2@ 
(a 
ivory (ivé ri) 
Jacobson’s cartila, 
J AC- 
tion constantly repeated 
manner, as in 
regular 
brachia (z00/.). 
ia 
crinoid 
isotonic (i'sétén'ik) a. [Gk. Zsos, 
al; fonos, tone.] Of equal 
tension (phys. 
is‘iti) 7 [Gk. zsos, 
‘onos, tone.| Normal ten- 
sion under pressure or stimulus 
[Gk. zsos, 
equal ; —— to turn.] Not 
influenced any direction 
more than anethee (d0t.) ; without 
predetermined axes, as in eggs 
(zoo). 
sotropy (isdt’répi) #. [Gk. — 
equal ; ¢repein, to re rn.] Absenc 
of predet termined axes in pe 
(emb.). 
ozoic (i’séz0'ik) a. [Gk. zsos, equal ; 
zoom, animal.] Inhabited by 
i rms of animal life —— 
a. [Gk. Zso 
isozooid (i’séz0’oid) 
equal; zoom, animal ; eidos, ike 
A zooid —— to the pare 
stock (zoo, 
isthmiate es a [Gk. zsthmos, 
neck. ] = nected by an isthmus- 
like par 
—— (is — [Gk. zsthmos, 
eck. 
arrow structure con- 
sectiig two tanger parts, as those 
aorta, acoustic — limbic 
etc. (am 
a ne ‘way.] A 
nal, as those of the 
middle ear, beans etc.; an aque- 
duct 
[L. ebur, ivory, 
through Frenci] Dentine of teeth, 
usually that of the elephant’s tusks 
and similar structures, formed from 
the odontoblasts. 
ge,—a special carti- 
lage formed in the nose region, 
supporting Jacobson’s organ. 
acobson’s or, —a ee of 
n many verte- 
rates, often dev wakacin ng into an 
ah tot lined sac which opens 
into the mouth. 
