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Biopsych > Chapter 3 > Flashcards

Chapter 3 Flashcards

0
Q

Rostral (anterior)

A

Front of face

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1
Q

Neuraxis

A

Imaginary line drawn through center of length of CNS, from the bottom of spinal cord to front of forebrain

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2
Q

Dorsal

A

Top of head humans, on back for four legged animals “dorsal fin”

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3
Q

Ventral

A

Belly

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4
Q

Caudal (posterior)

A

The back towards the feet or tail

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5
Q

Lateral Medial

A

The side

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6
Q

Apoptosis

A

Death of a cell caused by chemical signal that activates genetic mechanism inside the cell

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7
Q

Neurogenesis

A

Production of new neurons. Can happen in fully developed brains

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8
Q

Forebrain

A

Surrounds to steal end of neural tube and contains telencephalon and diencephalon

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9
Q

Diencephalon

A

2nd major division of forebrain

Between telencephalon and mesencephalon. Important structures are thalamus and hypothalamus

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10
Q

Mesencephalon

A

Midbrain: surrounds cerebral aqueduct and consists of tectum and tegmentum

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11
Q

Tectum

A

“Roof” located in dorsal portion of mesencephalon containing the superior colliculi and inferior colliculi

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12
Q

Superior colliculi

A

Protrusions on top of midbrain: part of visual system

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13
Q

Inferior Colliculi

A

Protrusions on top of midbrain: part of auditory system

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14
Q

Forebrain contains

A

Telencephalon

Diencephalon

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15
Q

Diencephalon contains

A

Hypothalamus

Thalamus

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16
Q

Telencephalon contains

A

Cerebral cortex
Basal ganglia
Limburger system

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17
Q

Midbrain contains

A

Mesencephalon

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18
Q

Mesencephalon contains

A

Tegmentum

Tectum

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19
Q

Hindbrain contains

A

Myelencephalon

Metencephalon

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20
Q

Myelin cephalon contains

A

Medulla oblongata

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21
Q

Metencephalon contains

A

Cerebellum

Pons

22
Q

Cerebellum receives

A

Auditory info
Visual info
Somatosensory info
Muscle movement info

23
Q

Damage to cerebellum

A

Impairs standing, walking

Since modifies motor flow it will make motor movement shaky and hard to stand

24
Q

Pons

A

Between mesencephalon and medulla oblongata. Contains part of reticular formation and nuclei for sleeping and arousal. Relays info from cerebral cortex to cerebellum

25
Q

Myelencephalon

A

Caudal of brain and rostral of spinal cord. Contains medulla.

26
Q

Spinal cord

A

Distribute motor fibers to glands and muscles and collect somatosensory info to go to brain

27
Q

Gray matter is made of

A

Cell bodies and dendrites

28
Q

Cranial nerves and spinal nerves

A

Part of PNS, relay sensory info to CNS and conveys messages from CNS to muscles and glands

29
Q

Hippocampus

A

In forebrain of medial temporal lobe.

Learning and memory

30
Q

Thalamus

A

Projects info to cerebral cortex and receives info from it

31
Q

Hypothalamus

A

Regulation of autonomic nervous system, posterior and interior pituitary glands
The 4 F’s

32
Q

Cerebral cortex

A

Cortex covering surface of brain

33
Q

Autonomic nervous system

A

Controls parts of body unaware of like hair growing and cardiac muscle and glands
Contains sympathetic and parasympathetic division

34
Q

Sympathetic division

A

Happens at excited stated like increasing heart rate using energy

35
Q

Parasympathetic division

A

Happens at relaxed state reserving energy. Secreting digestive juices? Salivating, gastric mobility, etc

36
Q

Fissure

A

Groove in the brain.

Bigger than sulcus

37
Q

Sulcus

A

Groove in brain smaller than fissure

38
Q

Gyrus

A

Bump in brain between two fissures or sulci

39
Q

Lateral fissure

A

Fissure separating temporal lobe from parietal and frontal lobe

40
Q

Central sulcus

A

Separates frontal from parietal lobe

41
Q

Somatic nervous system

A

Part of PNS controlling movement of skeletal muscles or transmits somatosensory info to CNS

42
Q

Drug blocking receptors or terminal membrane transporters have what affect

A

Agonistic

43
Q

Radial glia cell

A

Glia with fibers growing radically outward from ventricular zone to cerebral cortex
Provides guidance for migrating neurons in brain development

44
Q

Dura matter

A

Outside layer

Thickest

45
Q

Meninges

A

3 layers of tissue encasing CNS

Dura matter, arachnoid membrane, pia matter

46
Q

Arachnoid membrane

A

Middle layer

47
Q

Pia matter

A

Clings to surface of brain

Thin and delicate

48
Q

Subarachnoid space

A

Space between arachnoid membrane and pia matter that is filled with fluid as a cushion

49
Q

Enzymes do what to ion channels

A

Prohibit them from opening and closing

50
Q

Function of an autoreceptor

A

Negative feedback
Inhibitory usually
Regulatory system

51
Q

Agonistic

A

Facilitate postsynaptic effect

52
Q

Antagonistic

A

Block or inhibits postsynaptic effect

Biopsych (7 decks)

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