Brain Flashcards

1
Q

What are the outer surface of adult brain folds called?

A

Gyri

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2
Q

What are the depressions between the brain folds called?

A

Sulci

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3
Q

What eventually forms the cerebrum?

A

Telecephalon

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4
Q

What eventually forms the thalamus, hypothalamus, and epithalamus?

A

Diencephalon

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5
Q

What forms the short section of the brain stem between the diencephalon and the pons?

A

Mesencephalon

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6
Q

What eventually forms the medulla oblongata?

A

Myelencephalon

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7
Q

What houses the motor neuron, dendrites, and branching axons?

A

Gray matter

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8
Q

Where does white matter get it’s color from?

A

Myelin

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9
Q

Where is the white matter located?

A

Deep into the gray matter of the cortex

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10
Q

What can causr grey and white matter to shear at the interface?

A

Sudden deceleration

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11
Q

What are the three connective tissue layers that separate the soft tissue of the brain and bones of the cranium, encloses and protects blood vessels, and contain and circulate cerebrospinal fluid?

A

Meninges

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12
Q

What is the innermost cranial meninges?

A

Pia mater

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13
Q

What lies directly internal to the dura mater?

A

Arachnoid mater

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14
Q

What is the most external of the meninges and is composed of tough dense irregular connective tissue?

A

Dura mater

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15
Q

What lies deep to the periosteal layer?

A

Meningeal layer

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16
Q

What forms the periosteum?

A

Periosteal layer

17
Q

What is the part of the meningal layer that separated from the periosteal layer?

A

Dural venous sinuses

18
Q

What can seperate the dura mater and overlying bones do the skull?

A

Epidural space

19
Q

What is the largest if the four dural septa?

A

Falx cerebri

20
Q

What is the horizontal oriented fold of dura mater that separates the occipital lobe and temporal bones?

A

Tentorium cerebelli

21
Q

What allows passage of the brain stem in tbe tentorium cerebelli?

A

Tentorial notch

22
Q

What is the smallest of the dural septa?

A

Diaphragma sellae