Chapter 3 Flashcards
1
Q
Embryology
A
The study of the early prenatal development of the body, basis of developmental biology
2
Q
What is a zygote
A
Fertilization of the egg (ovum) by a spermatozoon each contributing half of the nuclear chromosomes
3
Q
What can be describes as conceptus
A
The zygote and each of the subsequent stages up to the birth
4
Q
When does the embryonic period end
A
When the various organs and organ systems are established
5
Q
What does the fetal period entail
A
An increase in size and functional differentiation of organs
6
Q
Neonate is
A
A newborn animal
7
Q
Partutition is
A
Birth
8
Q
Cleavage
A
The first mitosis division, shortly after fertilization
9
Q
Morula
A
The cluster of small cells resulting from cleavage