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BIG BRAIN TIME > Chapter 3 > Flashcards

Chapter 3 Flashcards

1
Q

Ventricles

A

-Lateral
-Third
-Fourth
-Central Canal
-choroid plexus lives in them

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2
Q

Cerebrospinal fluid

A

-Choroid plexus
-Hydrocephalus
-located in between the arachnoid mater and pia mater

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3
Q

Meninges

A

-dura mater
-arachnoid
-pia mater

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4
Q

Dura Mater

A

-outermost
- dense irregular connective tissue
-carries blood from brain toward the heart

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5
Q

Arachnoid Mater

A

-middle and looks like webs
-CSF circulates in the space

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6
Q

Pia Mater

A

-innermost
-allows blood vessels to pass through and nourish brain

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7
Q

cerebral aqueduct

A

15mm conduit that allows CSF to flow between the 3rd and 4th ventricle

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8
Q

axon

A

long narrow process that projects from the cell body

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9
Q

dendrites

A

ticklers

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10
Q

nodes of ranvier

A

gaps between sections of myelin

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11
Q

buttons

A

endings of axon branches which release chemicals into synapses

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12
Q

synapses

A

gaps between adjacent neurons across which chemical signals are transmitted

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13
Q

neuron cell membrane

A

composed of a lipid bilayer

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14
Q

multipolar

A

what i think neurons look like

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15
Q

unipolar

A

bald neuron

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16
Q

bipolar

A

like a bracelet

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17
Q

pseudounipolar

A

a little freak

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18
Q

interneurons

A

short/no axon

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19
Q

clusters of cell bodies in CNS

A

nuclei

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20
Q

clusters of cell bodies in PNS

A

ganglia

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21
Q

bundles of axons in CNS

A

tracts

22
Q

bundles of axons in PNS

A

nerves

23
Q

oligodendrocytes

A

myelination in the CNS

24
Q

schwann cells

A

myelination in the PNS

25
Q

microglia

A

-role in cell death, synapse formation, and synapse elimination

26
Q

astroglia

A

-biggest glial cells
- do lots of things

27
Q

golgi stain

A

turned neurons black
first time seeing neurons even though it was just silhouette

28
Q

nissl stain

A

superior burble stain

29
Q

anteretrograde tracing

A

put in cell body to trace path thru axon away from cell body

30
Q

retrograde tracing

A

picked up by terminal buttons and transported thru axon to the cell body

31
Q

Anterior

A

towards nose

32
Q

posterior

A

towards tail end

33
Q

dorsal

A

towards back or top of head

34
Q

ventral

A

towards chest or bottom of head

35
Q

medial

A

towards midline of body

36
Q

lateral

A

away from the midline

37
Q

axon hillock

A

connects cell body to axon

38
Q

ribosomes

A

makes protein

39
Q

golgi complex

A

packages stuff for transport to the synapses

40
Q

glial cells

A

cells that help neurons but arent neurons

41
Q

arms of the spinal gray matter

A

dorsal horns and ventral horns

42
Q

5 neural tubes

A

T, D, MES, MET, MYE, SC
T and then alpha order

43
Q

dorsal root

A

sensory unipolar

44
Q

ventral root

A

motor multipolar

45
Q

myelencephalon

A

-medulla
-has the reticular formation (arousal, etc)

46
Q

metencephalon

A

-pons
-cerebellum
-mostly sensorimotor

47
Q

mesencephalon

A

-tectum & tegmentum

48
Q

tectum

A

pair of inferior colliculi auditory
pair of superior colliculi visual-motor

49
Q

tegmentum

A

-periaqueductal is gray matter around the cerebral aqueduct
-substantia nigra & red nucleus

50
Q

diencephalon

A

-thalamus
-massa intermedia
-hypothalamus
-pituitary gland

51
Q

telencephalon

A

-cerebral cortex
-hippocampus

BIG BRAIN TIME (5 decks)

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