Physiology: CNS Development and Brain Divisions, Lecture 1A Flashcards

1
Q

Time line of formation of nervous system

A

from end of 2nd week to end of 8th week

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

Time line of neural tube closure

A
Superior neuropore (anterior or cranial) closes by day 27
Inferior (posterior or caudal) neuropore closes by day 30
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Lumina of the Telecephalon Primordia consists of the

A

later ventricles (1, 2)

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

Floor of the Telencephalon Primordia consists of the

A
Basal ganglia (nuclei)
olfactory lobes and nerves
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Roof of the telecephalon primordia

A

cerebral hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Lumen of the Diencephalon Primordia

A

Third ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Roof of the Diencephalon Primordia

A

Epithalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Walls of the Diencephalon Primordia

A

Thalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Floor of the Diencephalon Primordia

A

Hypothalamus and infundibulum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Lumina of the Mesencephalon Primordia

A

Cerebral aqueduct of Sylvius

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

Roof of the Mesencephalon Primordia

A

Tectum

superior and inferior colliculi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Floor of the Mesencephalon Primordia

A

Tegmentum

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

Lumina of Metencelphalon Primordia

A

Part of 4th ventricle

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

Roof of the Metencelphalon Primordia

A

cerebellum

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

Floor of the Metencelphalon Primordia

A

Pons

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

Myelencephalon Primordia

A

Lumen, Main part, Roof

17
Q

Lumen of the Myelencephalon Primordia

A

Rest of the fourth ventricle

18
Q

Main part of the Myelencephalon Primordia

A

medula oblongata

19
Q

Roof of the Myelencephalon Primordia

A

Posterior choroid plexus

20
Q

Myelencephalon: Medulla (nuclei)

A

vestibular nuclear complex
sensory nuclei
Portions of the recticular formation

21
Q

Myelencephalon: Medulla (Pyramids)

A

consist of later corticospinal tracts

22
Q

Myelencephalon: Medulla (Olives)

A

Site of nuclei related to cerebellum

23
Q

Myelencephalon: Medulla (Vital Reflex Centers)

A

Cardiac center
Vasomotor center
Centers related to respiration

also contains various nonvital centers

24
Q

Metencephalon: Pons (nuclei)

A
Cranial nerves V-VIII 
Pontine Nuclei (relay point between cerebrum and cerebellum)
25
Q

Metencephalon: Pons (Centers)

A

Sleep center, respiratory center

26
Q

Mesencephalon: Nuclei

A

Cranial nerve nuclei III-IV

27
Q

Mesencephalon: Tectum

A
Superior colliculi = visual reflex 
Inferior colliculi (auditory and olfactory reflex)
28
Q

Mesencephalon: Tegmentum

A

Red nucleus
Substantia nigra
various tracts

29
Q

Cerebellum

A

Has a cortex

Connects to other parts of the brain via large, pairs of tracts called penduncles

30
Q

Penduncles (3)

A

large pairs of fiber tracts connecting cerebellum to other parts of the brain

Inferior: connects cerebellum to spinal cord

Middle: connects cerebellum to pons

Superior: connects cerebellum to midbrain

31
Q

Function of cerebellum

A

Coordinates skeletal muscle movements

maintains equilibrium and posture

synergic control of muscle activity

32
Q

Diencephalon (all parts)

A

Thalamus Epithalamus Hypothalamus and third ventricle

33
Q

Thalamus function

A

major relay center for afferent and efferent information to and from the cerebellum and other areas of the brain

34
Q

Epithalamus function

A

Habenular nuclei involved in emotional and visceral responses to odors

pineal body

35
Q

Hypothalamus (What is is, specific nuclei involved)

A

Mamillary bodies involved in olfactory reflexes and emotional responses to odors

supraoptic and paraventricular nuclei

36
Q

Hypothalamus function

A

controls and integrate ANS
associated with many kinds of visceral activity

intermediary between nervous and endorcrine systems

controls normal body temperature

maintains extracellular fluid volume

biorhythm oscillator