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Biopsych > Chapter 3 > Flashcards

Chapter 3 Flashcards

(53 cards)

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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

Study These Flashcards
A

Cerebellum

Pons

22
Q

Cerebellum receives

Study These Flashcards
A

Auditory info
Visual info
Somatosensory info
Muscle movement info

23
Q

Damage to cerebellum

Study These Flashcards
A

Impairs standing, walking

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

24
Pons
Between mesencephalon and medulla oblongata. Contains part of reticular formation and nuclei for sleeping and arousal. Relays info from cerebral cortex to cerebellum
25
Myelencephalon
Caudal of brain and rostral of spinal cord. Contains medulla.
26
Spinal cord
Distribute motor fibers to glands and muscles and collect somatosensory info to go to brain
27
Gray matter is made of
Cell bodies and dendrites
28
Cranial nerves and spinal nerves
Part of PNS, relay sensory info to CNS and conveys messages from CNS to muscles and glands
29
Hippocampus
In forebrain of medial temporal lobe. | Learning and memory
30
Thalamus
Projects info to cerebral cortex and receives info from it
31
Hypothalamus
Regulation of autonomic nervous system, posterior and interior pituitary glands The 4 F's
32
Cerebral cortex
Cortex covering surface of brain
33
Autonomic nervous system
Controls parts of body unaware of like hair growing and cardiac muscle and glands Contains sympathetic and parasympathetic division
34
Sympathetic division
Happens at excited stated like increasing heart rate using energy
35
Parasympathetic division
Happens at relaxed state reserving energy. Secreting digestive juices? Salivating, gastric mobility, etc
36
Fissure
Groove in the brain. | Bigger than sulcus
37
Sulcus
Groove in brain smaller than fissure
38
Gyrus
Bump in brain between two fissures or sulci
39
Lateral fissure
Fissure separating temporal lobe from parietal and frontal lobe
40
Central sulcus
Separates frontal from parietal lobe
41
Somatic nervous system
Part of PNS controlling movement of skeletal muscles or transmits somatosensory info to CNS
42
Drug blocking receptors or terminal membrane transporters have what affect
Agonistic
43
Radial glia cell
Glia with fibers growing radically outward from ventricular zone to cerebral cortex Provides guidance for migrating neurons in brain development
44
Dura matter
Outside layer | Thickest
45
Meninges
3 layers of tissue encasing CNS | Dura matter, arachnoid membrane, pia matter
46
Arachnoid membrane
Middle layer
47
Pia matter
Clings to surface of brain | Thin and delicate
48
Subarachnoid space
Space between arachnoid membrane and pia matter that is filled with fluid as a cushion
49
Enzymes do what to ion channels
Prohibit them from opening and closing
50
Function of an autoreceptor
Negative feedback Inhibitory usually Regulatory system
51
Agonistic
Facilitate postsynaptic effect
52
Antagonistic
Block or inhibits postsynaptic effect

Biopsych (7 decks)

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