Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

2 - Developmental > 2 - Prenatal Development > Flashcards

2 - Prenatal Development Flashcards

1
Q

What are chordates? (Prenatal Developmental)

A

Group of animals that have a spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is Hartsoeker’s idea of preformation? (Prenatal Developmental)

A

He believed that development is a matter of growth alone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the recapitulation theory? (Prenatal Developmental)

A

Development repeats phylogeny (evolutionary history)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the 3 stages of prenatal development? (Prenatal Developmental)

A
  • Germinal period
  • Period of the embryo
  • Period of the foetus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What happens in the germinal period? (Prenatal Developmental)

A
  • Zygote multiples into 16 cell bodies
  • Cavity forms (blastocyst)
  • Zygote implants into uterus wall
  • Stem cells are pluripotent (can become any cell)
  • Stem cells in the morula then differentiate the cells
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What three cells can the blastocyst differentiate in to? (Prenatal Developmental)

A
  • Ectoderm
  • Mesoderm
  • Endoderm
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What will form from an ectoderm cell? (Prenatal Developmental)

A
  • Nervous system
  • Teeth
  • Nails
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What will form from a mesoderm cell? (Prenatal Developmental)

A
  • Muscles
  • Bones
  • Circulatory system
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What will form from an endoderm cell? (Prenatal Developmental)

A
  • Lungs
  • Glands
  • Organs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

At what age does the embryo have identifiable differences in tissues? (Prenatal Developmental)

A

3 weeks old

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is seen at 7 weeks? (Prenatal Developmental)

A
  • Arms
  • Legs
  • Organs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is seen at 8 weeks? (Prenatal Developmental)

A

Foetus can move and responds to stimulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is seen at 20 weeks? (Prenatal Developmental)

A

Foetus can detect sound, touch and movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are teratogens? (Prenatal Developmental)

A

Substances that cause birth defects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is thalidomide? (Prenatal Developmental)

A

A drug used to treat headaches, insomnia and morning sickness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What were the effects of thalidomide? (Prenatal Developmental)

A

Congenital defects (birth defects)

17
Q

What are characteristics fatal alcohol syndrome and why does it occur? (Prenatal Developmental)

A
  • Alcohol consumed during pregnancy

- Child is born with facial defects, learning difficulties, hearing/vision defects and brain defects

18
Q

What were the procedures from Decasper and Spence 1986? (Prenatal Developmental)

A
  • Mothers 7.5 months pregnant
  • Read stories 2 times per day
  • 2.5 days after birth, 8 infants could hear the familiar story (increased dummy sucking), whereas infants with a novel story had less response

2 - Developmental (23 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions