developmental lab Flashcards
(19 cards)
fertilization
Union of male and female gametes
Oocyte
.
Neurula
.
Gastrula
.
Blastocyst
.
Zygote
When egg and sperm come into contact, their nuclei combine to form one diploid cell
gastrulation
The formation of three primary germ layers- ectoderm, mesoderm, and endoderm
Characterized by cell movement
neurulation
The formation of the nervous system in chordates
organogenesis
Development or organs from the three primary germ layers
morphogenesis
Development of the animals shape or body form and organization
Cleavage
Characterized by cell division
archenteron
Cells form a new internal cavity called
medsoderm
Skeleton, muscles, gonads, reproductive, excretory system and circulatory system
ectoderm
Forms skin and associated glands
Neural groove
.
ovulation
.
somite
.
apoptosis
.
Endoderm
Develops into the lining of the digestive tract and such associated organs as the liver, pancreas, and lungs