PRE- 
ovum are predestined to pacts 
into certain — or = arts (dzol. & 
maksil’4) 7. 
prae, bakes pees illa, jaw.] 
paire ed bone anterior ihe maxilla 
in most vertebrates (za. 
premaxillary (pré’m oats i a {L. 
prae, before ; maxilla, An- 
terior to the ~ xi ine? bere. the 
premaxilla (zo 
fan (reine in a [L. pra 
ddle. | Anterior 
molars, the bicuspid teeth 
cee) eaten | om 
before ; asus, nose.] A bon 
rae in Hike septum in front 
of the 2 sar en in certain 
Mammals aye 
(pré salir) 2 [L. prae 
before ; oculus, eye. et: front of 
the eye ; as antennae, as (zool.). 
preopercle,—preoperc 
um (pré’ Spér’kalim) nt. 
[L. prae, asaig ni eg owe 
The anterior me bon 
the opeseetany or ‘i pase (ened a 
preoral (pré0'ral) a. — ore; 
os, mouth.] Situat of 
ss 
le.] Ameen to 
rbit ; oe a ee se oe bone 
of “ees (zool.). 
prepatagium (prépatajiiim) ~. ([L. 
So before ; —— border.] 
lar mbrane. fold 
an extending be —— upper sem 
ass forearm of Birds 
lacental (pré’plisén’ aD ‘a. fia 
eis before ; placenta, a flat cake.] 
beggigg J before slekacs forma- 
tion or development (emd.). 
joubattes (prépol’éks) #7. [L. prae, 
before ; ollex, th rudi- 
mentary additional digit occurring 
n Amphibians and 
(prepa’ ‘ténst) 2. 
L. prae, 
potens, powe erful, 
Prepotency 
before ; The 
254 
PRE- 
fertilization of a flower by pollen 
other flower = Egos 
to pollen xs its 
e offered ce ac tee 
the offspring than the other parent 
biol.). 
— (prépo'tént) a. [L. — 
before ; potens, powerful Tran 
the majo of char. sete! 
mi res ae rity o 
= hadi 132 appl. a flowerexhibiting 
preference for cross- “pollitatian 
(bot. 
prepubis (prépi’bis) 2. [L. prae, 
before ; pudes, mature.] Part of 
prepyramidal (pré’piram’id [L 
prae, before; pyramis, pyramid. ] 
In front of the amid ; appl 
cerebellar fissure (anal. ‘ 
presphenoid = résfé 'noid) 
prae, before; Gk. sphen 
pressor (prés’dr) a pressare, to 
p Appl. rve-fibres which 
when stimulated, cause a rise Oo 
arterial pressure (Phys. 
pressure (prés = si nm. ae pressare, 
to press. | tissue 
caused by on ‘tergidity of the cells 
eaves 
resternal Seen. a. [L. prae, 
ree fore; sternum, breast - neat 
Situated i in front of the stern 
breast-bone ; eri. _ atari part 
of me sternum oe 
pees nim) EL. 
pee hate : ee Seat bone.] 
The ma —_ rium, or anterior part of 
a aera 
pretrematic “oe trémit teacileg [L. 
prae, befo Gk. a, 
Appi. nerves = running in 
wall of the first gill cleft to the 
pharynx (zool.). 
preverte = (prév vértébral) a. [L. 
p vertebra, a ve ertebra.] 
a portion o 
(emd.) ; appl. ganglia of the sympa- 
thetic —_— any ool.). 
prezy gapo 
sis (prézi'gapof'isis) 7. 
[L. prae, aa 
Gk. zygon, yoke ; 
