browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
more about invagination
invagination |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Invagination \In*vag`i*na"tion\, n. [L. pref. in- + vagina sheath.] 1. (Biol.) The condition of an invaginated organ or part 2. (Biol.) One of the methods by which the various germinal layers of the ovum are differentiated. Note: In embolic invagination, one half of the blastosphere is pushed in towards the other half, producing an embryonic form known as a gastrula. -- In epibolic invagination, a phenomenon in the development of some invertebrate ova, the epiblast appears to grow over or around the hypoblast. From WordNet r 1.6 [wn]: invagination n : the folding in of an outer layer so as to form a pocket in the surface [syn: {intussusception}, {infolding}]
more about invagination
This work is licensed under a
