Chapter 18 - Development of a Human Foetus Flashcards
1
Q
When is an embryo considered a foetus?
A
After the second month of pregnancy
2
Q
3 month old foetal development
A
- forelimbs well developed
- eyelids closed
- outer ear completed
- bone marrow formed
- blood cells formed in bone marrow
- sex distinguishable
3
Q
4 month old foetal development
A
- arms and hands fully shaped
- skeleton complete
- exercising of muscles evident
- ears stand out from head
4
Q
5 month foetal development
A
- fine hair covers body
- gripping reflexes are developed
- increased growth
5
Q
6 month foetal development
A
- respiratory movements
- digestive glands begin to function
- tooth buds evident
- eyebrows and eyelashes
6
Q
7 month foetal development
A
- period of greatest growth
- all systems functional except respiratory system
7
Q
8 month foetal development
A
- accumulation of fat beneath skin
- growth slowed
8
Q
9 month foetal development
A
- eyes open
- nose well formed
- sucking and grasping reflexes evident
- fine body hair is shed
9
Q
When does the uterus expand and the women’s abdomen begin to bulge?
A
During the 4th month
10
Q
When does a baby begin to move?
A
The 4th month
11
Q
What are the physical changes a mother goes through during pregnancy?
A
- the abdomen bulges as a result of the expanding uterus
- the breasts enlarge because of the development of mil-secreting tissues
