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Veterinary Anatomy III > THRC.4 > Flashcards

THRC.4 Flashcards

1
Q
A

Diencephalon

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2
Q
A

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
A

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

A

Motor nucleus of the oculomotor nerve

19
Q

9

A

Nucleus ruber

20
Q

2

A

Motor nucleus of the trochlear nerve

21
Q

24

A

Substantia nigra

22
Q

27

A

Crus cerebri

23
Q
A

Cerebral peduncles

24
Q
A

Cerebral peduncle

25
Q
A

Occulomotor nerve (CN-III)

26
Q
A

Mammilary body

  • Inside the interpeduncular fossa
27
Q

Summarise the functions of the midbrain

A
  • Voluntary motor function
  • Muscle tone
  • Body posture
  • Locomotion
  • Fast movement
28
Q

Give the divisions of the diencephalon

A
  • Epithalamus
  • Thalamus
  • Metathalamus
  • Hypothalamus
29
Q

Epithalamus comprises of the…

A
  • Pineal gland
  • 2 xHabenula
30
Q

25

A

Pineal gland

31
Q

Habenula

A

White matter anchoring the pineal gland

32
Q

Function of the pineal gland

A

Melatonin secretion

  • Affect sexual activity
33
Q

9:16

A

Caudal commisure

34
Q

20

A

Interthalmic adhesion

  • Connects the left and right thalamus
35
Q

Thalamus is divided into…

A
  • Dorsal thalamus
  • Subthalamus
36
Q

Dorsal thalamus contains…

A

Sensory nuclei for:

  • Gustation
  • Optics
  • Acoustics
  • Vestibular organs
37
Q
A

Pineal gland

38
Q
A

Adenohypophysis

39
Q
A

Neurohypophysis

40
Q

The composition of the metathalamus

A
  • Medial geniculate body
  • Lateral geniculate body
41
Q

1

A

Hypothalamus

42
Q

2

A

Mammilary body

43
Q

4

A

Tuber cinerum

  • Of third ventricle
44
Q

14

A

Chiasma opticum

Veterinary Anatomy III (124 decks)

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