Lecture #7 Flashcards
1
Q
Fertilization
A
- begins when a sperm penetrates an oocyte and turns into a zygote (24 hours).
2
Q
Implantation
A
- the process where the blastocyst attaches to the uterine wall.
3
Q
What are the 3 parental stages?
A
- zygote, embryo, fetus
4
Q
What are the 4 stages of Gastrulation?
A
1) Morula
2) Early Blastocyst
3) Late blastocyst
4) Gastrula
5
Q
Primary Germ Layer (definition)
A
- Are the fundamental cell layers in the early embryo from which all tissues and organs develop.
6
Q
What are the 3 primary germ layers?
A
1) Ectoderm (outermost layer)
2) Mesoderm (Middle layer)
3) Endoderm (Innermost layer)
7
Q
The Development of the human nervous system (3 stages)
A
1) Neural plate
2) Neural Groove
3) Neural Tube
8
Q
What are the 7 stages of brain development?
A
1) Cell Birth (Neurogenesis and gliogenesis)
2) Neuronal migration
3) Neuronal differentiation
4) Neuronal Maturation (dendrite and axon growth)
5) Synaptogenesis (formation of the synapses)
6) Cell death and synaptic pruning
7) Myelogenesis (formation of myelin)
9
Q
Williams Syndrome
A
- A developmental disorder characterized by intellectual disability with a varied pattern of abilities and disabilities.
10
Q
Williams Syndrome
A
- A developmental disorder characterized by intellectual disability with a varied pattern of abilities and disabilities.
11
Q
Autism
A
- complex neurodevelopmental disorder emerging by age 3 and stabilizing thereafter.
