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Neuroanatomy > chapter 6 > Flashcards

chapter 6 Flashcards

1
Q

what is the largest part of the brain, consisting of 2 hemisphere

A

cerebrum

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2
Q

what are convolutions of the cerebrum separated by SULCI?

A

Gyri

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3
Q

What are the fissures or sulci of the cerebrum?

A

1) Longitundinal fissure
2) transverse fissure or sulcus
3) Lateral fissure or sulcus
4) central sulcus

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4
Q

what separates the right and left hemispheres and is occupied by the FALX cerebri?

A

Longitudinal fissure

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5
Q

What separates the cerebrum and cerebellum and is occupied by the TENTORIUM cerebelli?

A

Transverse fissure or sulcus

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6
Q

What separates the TEMPORAL lobe from the rest of the cerebrum superior to it?

A

Lateral fissure or sulcus

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7
Q

What separates the pre-central (motor) gyrus from the post-central (sensory) gyrus

A

Central sulcus

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8
Q

What are the 4 main lobes that the cerebrum contains?

A

1) frontal
2) parietal
3) occipital
4) temporal

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9
Q

A fifth lobe the _____________, lies within the depths of the LATERAL sulcus

A

Insula

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10
Q

The ____________________ is the PRE-central gyrus and lies ANTERIOR to the central sulcus

A

Primary motor cortex

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11
Q

The _____________________ is the POST-central gyrus and lies POSTERIOR to the central sulcus

A

Primary sensory cortex

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12
Q

What constitutes the central gray matter of the cerebrum? It controls movement and posture. Disease involve disturbances in voluntary muscle control (parkinson’s and Huntington’s)?

A

Basal Nuclei (ganglia)

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13
Q

What is the most important SENSORY relay center of the brain? it sends incoming impulses from the body to the CEREBRAL CORTEX.

A

Thalamus

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14
Q

What functions in the regulation of
1) body temp
2) carbohydrate and lipid metabolism
3) Sleep, sexual activity, and emotions

A

Hypothalamus

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15
Q

What lies between and is associated with the following?
1) Optic chiasma
2) Mammillary bodies
3) Pituitary gland

A

Hypothalamus

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16
Q

This is where optic nerves (CNII) cross

A

optic chiasma

17
Q

This is a Sensory synaptic station, part of the limbic system

A

Mammillary bodies

18
Q

This projects inferior from the HYPOTHALAMUS and secretes hormones?

A

Pituitary gland

19
Q

What is composed of three parts from superior to inferior: midbrain, pons medulla oblongata?

A

Brainstem

20
Q

What contains the CEREBRAL PEDUNCLES anteriorly and the TECTUM with the CORPORA QUADRIGEMINA posteriorly?

A

Midbrain

21
Q

The CORPORA QUADRIGEMINA of the midbrain consists of 4 elevations that are arranged as two pairs referred to as:

A

1) Superior colliculi
2) Inferior colliculi

22
Q

These are involved in the pathway of VISION?

A

superior colliculi

23
Q

These are involved in the pathway of HEARING?

A

Inferior colliculi

24
Q

These act as a bridge connecting the right and left CEREBELLAR hemispheres
-It relays impulses from the CEREBRAL CORTEX to the CEREBELLUM

A

PONS

25
Q

What is the part of the brain that is directly continuous with the spinal cord? It contains most of the ascending and descending TRACTS of the spinal cord.

A

Medulla oblongata

26
Q

The medulla oblongata represents an area in which pyramidal tract fibers lie what is this called?

A

Pyramids

27
Q

An area inferior to the pyramids is where the pyramidal tracts cross or DECUSSATE over to the contralateral side?

A

Pyramidal Decussation

28
Q

Where can other tracts cross either in the spinal cord or in the brain itself that contains several nuclei involved in the regulation of vital body activities: respiratory, cardiac (heart rate), and vasomotor (blood pressure)

A

Medulla oblongata

29
Q

What is referred to as the little brain, connects with the midbrain, pons and medulla oblongata via the superior, middle, and inferior cerebellar PEDUNCLES, respectively?

A

Cerebellum

30
Q

What consists of two hemispheres separated by a median VERMIS

A

Cerebellum

31
Q

What has an outer cortex that contains folia separated by fissures; (folia means leaves)

A

Cerebellum

32
Q

Internally, the cerebellum contains white matter branching in the form of a tree, called the ________________?

A

ARBOR VITAE

33
Q

What are the function of the cerebellum?

A

1) COORDINATION of muscular activity
2) Regulation of muscle tone
3) Maintenance of equilibrium

Neuroanatomy (26 decks)

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