PAT- 
a border.] The membranous ex- 
pansion between fore 
limbs of bats and flying squirrels 
ane an es; wer similar expansion 
° 
= 
bird’s wing; a_ tegula, 
heck! process. oe: the prothorax of 
tain Lepidoptera (zoo/.). 
—— a él’4) wm. ([L. patella, a 
n.] The knee-cap oes : 
a grein apothecium of Lichens 
bot. 
patellar (patél’ar) a. se patella, a 
Pert. a patella. 
teliifionns (patél form) a one _ pate ‘ella, 
Shaped 
a small pan ; forma, s 
i alte like a 
nigra ae 
[L. oe. lying 
widely 
0 me Se ees 
panded (4z0/.). 
oe ree) ik) a. [Gk Jathos, 
"Seale g-] Appi. the trochlear nerve 
and the sate oblique muscle of 
the eye 
pathogenic "pa en i) 2. TG 
pathos, cn & Eyarr offspring ] 
Disease- -producin ; appl. a parasite 
in funn on to . es host 
patina (pana) [L. pati 
-- dish.] Circles of plates ara ie 
calyx of Crinoids (zoo ool.). 
biol. 
paturo nm (pi ti’rén) 7  [Gk. pave 
to pele on.] The basal joint at 
Jape prisere Srs used for crush- 
ing and ex — ssing the fluids of 
insects (zool.). 
paulospore eigeenend gr [Gk. pau 
se A resting = 
pare stage in aeveisouienk: as a 
a stage of suspended de- 
as (dzol.). 
paunch ( vontirs n. [{L. pantex, ee 
paunch.] The rumen, an expansion 
of the sesteshag ie the first decutiach 
of ruminants (zoo/.). 
pavement thelium,— simple 
squamous epithelium of flat, nucle- 
ood ree fitting together like 
mosaic (iy. 
ie (paksi’) a A hes paxillus, a 
late supporting 
peg. hic 
calcareous oars the summit of 
229 
PEC- 
sea Soe Py a group of small 
spin ructure of certain 
Stelleroids Pee 7), 
paxillar are pep ae a paxillus, 
ee alg 
a ] . a paxill 
paxilliform (pake form) a. - fi. 
paxillus, a peg; ; co shape. ] 
or like’a pax 
—a paxi 
Sik ‘(perl) I. IF. perle, a pearl.] 
In the shells of some Mussels, an 
abnormal owth formed with 
er or a minu 
ats ea] An « nt 
oes h forms seceeeie jelly. 
pene (pék’tén) w. [L. pecten, a 
omb.] Any comb-like structure ; 
process of the inner retinal 
surface in Reptiles, expanded into 
a folded quadrangular plate in 
i pen, organ of 
ain Ascheids (zo 
pectie (pék’tik) @ (Gk. he con- 
gealed 
| Appl. acids and bodies 
consisting of pectas pectin, 
pectose (do. 
pectinal (pék’tinal) @ i pecten, 
comb.] Perv. 
pectinate (pék’tinat) sre pecten, 
comb.] Co ee’ pectiniform ; 
ae leaves (4o¢.), a ligament of the 
anat.), certain gills, pedi- 
ellastae of Asteroids, a septum 
between corpora cavernosa 
(zool.). 
pectineal (péktin’éal) a. [L. pecten, 
comb.] Affi. a process e ths 
Syke of pac appl. a ridge-line 
and ‘ e muscle 
siached iaeete Touet) 
pectinellae geal aang os ia. thn 
pectinella, a's Trae. 
versely- aici gps: mem- 
branellae constituting a adoral 
ciliary spiral of some Infusoria 
jee GE tontes « a. {L. 
— we rhombos, a magic 
eel.] rym Fr, adeian: ide 
in Cys (sool. 
toral 
est region; aff/. arch, edie, 
ane limbs \(zo0/.). 
