Laboratory 7: Introduction to Embryology
Introduction
Echinoderm Development
Amphibian Development
Avian Development
Egg and zygote
Egg and zygote
13-15 hr. embryo
Early cleavage (2-16 cell morula)
Early cleavage
16-18 hr. embryo
Late cleavage (16-32 cell blastula)
Late cleavage- blastula
24 hr. embryo- 1st somites
Gastrulation
Gastrulation- crescent blastopore
33 hr. embryo- brain and optic vesicles
Sections through blastulas
Gastrulation- yolk plug
48 hr. embryo- torsion
Bipinnaria larva
Neurulation- neural plate
72 hr. embryo
Neurulation- neural groove
96 hr. embryo
Neurulation- neural tube
Later stages of chick development
Self Quizes
Sections through 4mm frog
Exit this lab
Later stages of frog development