Introduction
Index
Higher taxa
Species
Single-access key
Glossary
Literature
Advanced search
Marine Mammals
MENU
Marine Mammals
chorion
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
R
S
T
U
V
W
Z
embryonic membrane external to and enclosing the amnion and yolk sac.
Linnaeus
Login
pbagnpg
Naturalis Biodiversity Center