Embryology I Flashcards Preview

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Flashcards in Embryology I Deck (22)
1

What does the notochord induce overlying ectoderm to differentiate into (very early in gestation)?

Neuroectoderm; forms the neural plate (p.408)

2

What does the neural plate give rise to at day 18?

Neural tube and neural crest cells (p.408)

3

What does the notocord become at day 18?

The nucleus pulposus of the intervertebral disk (p.408)

4

What is the anatomic location of the alar plate?

Dorsal (p.408)

5

What is the anatomic location of the basal plate?

Ventral (p.408)

6

What information is carried by the alar plate?

Sensory information (p.408)

7

What information is carried by the basal plate?

Motor information (p.408)

8

What is the embryological name for the forebrain?

Prosencephalon (p.408)

9

What are the two divisions of the prosencephalon?

Telencephalon and diencephalon (p.408)

10

What is the embryological name for the midbrain?

Mesencephalon (p.408)

11

What is the embryological name for the hindbrain?

Rhombencephalon (p.408)

12

What are the two divisions of the rhombencephalon?

Metencephalon and myelencephalon (p.408)

13

What are the derivatives of the walls of the telencephalon?

Cerebral hemispheres (p.408)

14

What are the derivatives of the walls of the diencephalon?

Thalamus (p.408)

15

What are the derivatives of the walls of the mesencephalon?

Midbrain (p.408)

16

What are the derivatives of the walls of the metencephalon?

Cerebellum and pons (p.408)

17

What are the derivatives of the walls of the myelencephalon?

Medulla (p.408)

18

What are the derivatives of the cavities of the telencephalon?

Lateral ventricles (p.408)

19

What are the derivatives of the cavities of the diencephalon?

Third ventricle (p.408)

20

What are the derivatives of the cavities of the mesencephalon?

Aqueduct (p.408)

21

What are the derivatives of the cavities of the metencephalon?

Upper part of the fourth ventricle (p.408)

22

What are the derivatives of the cavities of the myelencephalon?

Lower part of the fourth ventricle (p.408)