ECH- 
Seer rage set vga tétis, &ki’nd- 
téiis) 7 NOS, apne ; 
P sarients US, ack] 
pluteus of echinoi " from ae S sup- 
posed ota ance to an upturned 
ease 
cchinuiate  kin'alat) a. [Gk. ec. 
Having small spines out : 
ecology (€k6l'6ji) 2. [Gk. otkos, ng : 
discourse That 
meet at the blastopore of a gastrula 
cyt.). 
pistes pen ge nm. [Gk. 
ektos, without ; e¢hmo. eidos, 
seactiblance}. The iaveral cial 
bone (anaz.). 
ecthoraeum (ék’ ag megs a... [Gk 
ekthroskein, eap out.] The 
thread of a nematocyst (zoo/.). 
ectoblast (ék’téblast) #. [Gk. = 
without ; dlastos, bud] See epi- 
blast. 
ectobronchium (ék’tébréng’kiiim) » 
[Gk. e&/os, without ; senate wiat 
pipe. See ectobr rone 
ectobronchus ee tobrong kt kiis) a. [Gk. 
fruit.] Having 
—— of ari stent origin 
ondrostosis (ék’tékéndrésté’sis) 
[G tos, without ; chondros, 
cartilage ; osteon, bone.] The de- 
position of lime-salts beginning i 
k. ehtio, 
— inc 
oelic (Ek’tésé'lik) a. 
hollow. ] 
outside the 
of the Coelenterates (zool.). 
ectocondyle (&k’tékén’di i : 
ektos, outside; Aondylos, knob.] 
he er condyle of a_ bone 
[Gk. 
ertain Aes lead teal . 
Gk. ekéos, 
cs 
(anat.). 
ectocranial (ék’tékra’nial) a. 
83 
ECT- 
ektos, outside ; pes: skull.] 
anat.). 
of ane Saeed wall in 
ro kasi 
a (20 al.). 
ectoderm (Bede) » in [Gk. ekfos, 
outside ; derma, The outer 
layer of a coed cialar animal, 
when com posed of (zool.) ; 
rae e Pinte in ig poetics 
nat.) 
cchagenians (Ektdj’Eniis) a. [Gk. e&/os, 
ronesthai, to produce 
Able to oe - independent life ; 
appl. Bacteria (d04.). 
— (ktbylts) nm. [Gk. 
; site, — An 
of in the central 
ektos, 
outer 
a 
m (ana 
ectolecithal (ektolesithal a [Gk 
ektos, outside ; lekithos, yolk of an 
rmative protoplasm 
ool.). 
kek (Ek’tolof) #. [Gk. ek~os, 
outside ; /ophos, crest.] The ridge 
stretching from the paracone to 
metacone in a lophodont molar 
parasite (ék’ grate _ _ [Gk. 
ekios, outside ; par 
food 
ism we ool.). 
ék’tépata’jitim 
the metacarpals and the phalanges 
zool.). 
ectophyte pera, ‘i [Gk. e&/os, 
outside ; Phyto ant.]} Name 
given to an wis th parasite in 
the plant world (60t.). 
f 
protoplasm in a cell, usually slightly 
modified (dzo/.); the ectosarc in a 
