The Brain Development and Structure Flashcards

1
Q

What are the 3 primary sections of the anterior end of the embryonic central nervous system

A

Prosencephalon
Mesencephalon
Rhombencephalon

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2
Q

What does the Prosencephalon give rise to

A

Telencephalon, diencephalon and basal ganglia

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3
Q

What does the Mesencephalon give rise to

A

the midbrain

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4
Q

What does the rhombencephalon give rise to

A

the pons, cerebellum, and medulla oblongata

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5
Q

What areas of the vertebrate brain are in the telencephalon

A

cerebral cortex, forebrain structures, basal ganglia, and olfactory system

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6
Q

What areas of the vertebrate brain are in the diencephalon

A

thalamus, hypothalamus, subthalamus, and epithalamus

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7
Q

What areas of the vertebrate brain are in the metencephalon

A

pons and cerebellum

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8
Q

What areas of the vertebrate brain are in the myelencephalon

A

medulla oblongata

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9
Q

In terms of brain development among vertebrates, what is the overall phylogenetic trend & what factors have contributed to this trend

A

Increased connections between the thalamus and telencephalon

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10
Q

What are the major functions of the medulla

A

control vital processes like heartbeat, breathing, and blood pressure

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11
Q

What are the major functions of the pons

A

Transmit signals between the forebrain and the cerebellum

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12
Q

What are the major functions of the cerebellum

A

Coordinating voluntary movements

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13
Q

What are the major functions of the tectum

A

eye movement

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14
Q

What are the functions of the epiphysis (pineal gland)

A

receive and convey info about the light/ dark cycle (produce melatonin)

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15
Q

What are the functions of the hypothalamus

A

homeostasis ( thermoregulation, reproduction, thirst, body weight, hunger and more)

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16
Q

What are the functions of the thalamus

A

relay center, sleep, consciousness, learning and memory

17
Q

What are the two regions of the cerebrum and what are the main divisions of them

A

Left and right hemisphere ( frontal, parietal, occipital, and temporal)

18
Q

What does the medial papilla receive

A

olfactory, auditory, lateral line, somatosensory

19
Q

What does the dorsal papilla receive

A

ascending and visual input

20
Q

What does the lateral papilla receive

A

ascending visual and smell

21
Q

Be able to characterize the pallia of agnathans

A

dorsal- tiny telencephalon

22
Q

Be able to characterize the pallia of sharks

A

dorsal- hearing and touch
medial- exchange info across hemispheres
lateral- olfaction

23
Q

Be able to characterize the pallia of amphibians

A

dorsal- hearing and touch
medial- exchange info across hemispheres
lateral- olfaction

24
Q

Be able to characterize the pallia of reptiles

A

medial- well developed hippocampus
lateral- Dorsal ventricular ridge ( visual auditory and somatosensory

25
Q

Be able to characterize the pallia of birds

A

Dorsal- wulst ( organized part of DVR)
medial- hippocampus
lateral- Dorsal ventricular ridge ( visual auditory and somatosensory

26
Q

Be able to characterize the pallia of mammals

A

Dorsal- cerebral cortex
Medial- hippocampus
Lateral- olfactory

27
Q

what is the Dorsal ventricular ridge

A

an area that receives auditory, visual and somatosensory this is in birds and reptiles

28
Q

What is the Wulst

A

controls eye movement and gets visual input in birds

29
Q

What is the cerebral cortex

A

outer layer of the brain surface in mammals

30
Q

what is the function of the septum

A

sensorimotor integration to cognition

31
Q

what is the function of the striatum

A

goal-directed movements and decision-making