Section 2 Blood Supply of the Brain Flashcards Preview

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Flashcards in Section 2 Blood Supply of the Brain Deck (12):
1

Middle Cerebral Artery supplies

Lateral surface of the brain
deep structures of the basal forebrain

2

Anterior cerebral artery supplies

most of the medial wall of the cerebral hemisphere

3

posterior cerebral artery supplies

medial wall of the occipital lobe
inferior part of the temporal lobe

4

The vertebral arteries converge near the base of the pons to form the

Basilar Artery (Unpaired)

5

at the level of the midbrain, the Basilar Artery split into the right and left:

Superior cerebellar arteries
Posterior cerebral arteries

6

The Posterior Cerebral Arteries send branches called __________ that connect them to the:

Posterior Communicationg Arteries
Right and Left Internal carotid arteries

7

The internal Carotid Arteries branch to form the

Middle Cerebral arteries
Anterior Cerebral Arteries

8

The Anterior Cerebral Arteries of each side are connected by the

Anterior communicating Artery

9

Cell Types in the Nervous System

Neurons- Functional Cell
Glia (Glial Cells)- Support Cell

10

Neurons

Functional cell of NS. Process all conscious and nonconscious information in the Brain and Spinal Cord

11

12 Pairs of Cranial Nerves

I Olfactory
II Optic
III Oculomotor
IV Trochlear
V Trigeminal
VI Abducens
VII Facial
VIII Vestibulocochlear
IX Glossopharyngeal
X Vagus
XI Accessory (Spinal)
XII Hypoglossal

12

Neuron Structure

Soma: Cell Body
Dendrites: Receive incoming signal
Axon: Transmit Action Potentials
Axon Hillock: Where soma meets axon
Axon Terminals: Contain neurotransmitters
Schwann Cells, Oligodendrocytes: Surround axon
Myelin Sheath: Insulates the axon
Node of Ranvier: spaces between Schwann Cells