Veterinary Anatomy Final Topics > THRC.4 > Flashcards

THRC.4 Flashcards

(44 cards)

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1
Q
A

Diencephalon

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2
Q
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Mesencephalon

‘The midbrain’

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3
Q

List the divisions of the mesencephalon

A
  • Tectum mesencephali
  • Tegmentum mesencephali
  • Cerebreal peduncles
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4
Q
A

Hypophysis

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5
Q
A

Massa intermedia

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6
Q
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Epiphysis

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7
Q

Channel extending from the 4th - 3rd ventricle

A

Mesencephalic aqueduct

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8
Q
A

Mesencephalic aqueduct

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9
Q
A

Third ventricle

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10
Q
A

Tectum mesencephali

  • Covers the mesencephalic aqueduct
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11
Q

12

A

Rostral colliculus

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12
Q

13

A

Caudal colliculus

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13
Q

Rostal colliculus function

A

Relay centre for the visual pathways

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14
Q

Caudal colliculus function

A

Relay centre for the auditory pathways

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15
Q

8

A

Tegmentum mesencephali

  • Dorsal part of pedunculus cerebri
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16
Q

Which nuclei are contained in tegmentum mesencephali?

A
  • Oculomotor nerve (motor + parasympathetic nucl.)
  • Trochlear nerve (motor + parasympathetic nucl .)
  • Red nucleus
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17
Q

3

A

Parasympathetic nucleus of the occulomotor nerve

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18
Q

1

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A

Motor nucleus of the oculomotor nerve

19
Q

9

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A

Nucleus ruber

20
Q

2

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A

Motor nucleus of the trochlear nerve

21
Q

24

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A

Substantia nigra

22
Q

27

23
Q
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A

Cerebral peduncles

24
Q
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A

Cerebral peduncle

25
Occulomotor nerve (CN-III)
26
Mammilary body * Inside the interpeduncular fossa
27
Summarise the functions of the midbrain
* Voluntary motor function * Muscle tone * Body posture * Locomotion * Fast movement
28
Give the divisions of the diencephalon
* Epithalamus * Thalamus * Metathalamus * Hypothalamus
29
Epithalamus comprises of the...
* Pineal gland * 2 xHabenula
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25
Pineal gland
31
Habenula
White matter anchoring the pineal gland
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Function of the pineal gland
Melatonin secretion * Affect sexual activity
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9:16
Caudal commisure
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20
Interthalmic adhesion * Connects the left and right thalamus
35
Thalamus is divided into...
* Dorsal thalamus * Subthalamus
36
Dorsal thalamus contains...
Sensory nuclei for: * Gustation * Optics * Acoustics * Vestibular organs
37
Pineal gland
38
Adenohypophysis
39
Neurohypophysis
40
The composition of the metathalamus
* Medial geniculate body * Lateral geniculate body
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1
Hypothalamus
42
2
Mammilary body
43
4
Tuber cinerum * Of third ventricle
44
14
Chiasma opticum
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