Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

bio class 11 > nueral control and coordination > Flashcards

nueral control and coordination Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is the forebrain called?

A

prosencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

parts of forebrain?

A
  • thalamus
  • hypothalamus
  • hippocampus
  • amygdala
  • cerebral cortex
  • cerebrum
  • corpus striatum
  • limbic system
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is diencephalon?

A

thalamus, epithalamus and hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

hippocampus ,amygdala ,cerebral cortex, cerebrum, corpus striatum ,limbic system are a part of?

A

telencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the mid brain called?

A

mesencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the hind brain called?

A

rhombencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what all does the hind brain include ?

A

pons and cerebellum - metencephalon

medulla oblongata - myelencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the protective covering of the brain called ?

A

cranial meninges or meninx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are the three layers of meninx called?

A
  • dura matter
  • arachnoid matter
  • pia matter
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

describe dura matter

A
  • thick and tough
  • avascular
  • closer to cranium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

describe arachnoid matter

A
  • characteristic feature of mammals

- avascular like a spider’s web

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

describe pia matter

A
  • vascular and thin

- closer to brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is subdural matter and what does it contain ?

A
  • the space between dura and arachnoid matter

- has unknown fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the sub arachnoid matter and what does it contain?

A
  • the space btw arachnoid and pia matter

- has csf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

largest part of brain? how many hemispheres and what divides it?

A

cerebrum , 2 , median longitudinal fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

how are the two hemispheres connected ? describe shape.

A

corpus callosum.
curved - genu
splenium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

how many lobes of cerebrum?

A

4

  • frontal
  • parietal
  • temporal
  • occipital
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

function of each lobe of cerebrum

A
  • frontal : decision making, judgement and creative ideas
  • parietal: hot cold pain and touch
  • temporal - hearing and smell
  • occipital - vision
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what is broca’s area?

A

frontal lobe | associated with learning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what is wernick’s area ?

A

temporal lobe | associated with reading and writing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what is somethetic area?

A

parietal lobe for its own functions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

all voluntary activities are controlled by ?

A

cerebrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

all involuntary activities are controlled by ?

A

cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is the outer or the dorsal surface of cerebrum called?

A

cerebral cortex / neopallium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

explain the structure of cerebral cortex

A
  • highly convoluted
  • small grove - sulci
  • large grove - fissure
  • buldge btw sulci and fissure = gyri
  • 6 layered 10 billion cyton
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

what are the 3 functional areas in each lobe

A

sensory area - receives sensory impulse
motor area - sends motor commands
association area - 1) neither sensory nor motor
2) large area i) intersensory association
ii) memory
iii) communication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

from where does olfactory lobe receive signal? what is called and it is reduced in ?

A

olfactory epithelium rhinencephalon reduced in humans but advanced in sharks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

bundle of cyton in cns

A

nuclei

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

bundle of cyton in pns

A

ganglia

30
Q

bundle of axon in cns

A

tract

31
Q

bundle of axon in pns

A

nerves

32
Q

what is basal ganglia

A

collection of subcorticular nuclei

33
Q

largest nucleus in basal ganglia and its function?

A

corpus striatum - regulates planning and execution of stereotyped movement

34
Q

describe structure of epithalamus

A

above thalamus ,thin ,non nervous

35
Q

describe the anterior and posterior part of epithalamus

A

anterior- anterior choroid plexus

posterior - pineal gland - secretes melatonin

36
Q

function of thalamus

A

major coordinating center for sensory and motor signaling. acts as relay center.

37
Q

structure of hypothalamus

A
  • forms floor of diencephalon
  • contains neurosecretory cells k/a nuclei that secretes hormones
  • contains hunger thirst center satiety center
38
Q

function of hypothalamus

A

1) maintain homeostasis and internal body temp
2) associated with thermoregulation osmoregulation emotional and sexual desires,mating, circadian rhythm
3) associated with 3F ( FIGHTING FLEEING AND FEEDING )

39
Q

limbic system also k/a

A

emotional brain

40
Q

limbic system shape?

A

flared like a fork or wish bone

41
Q

what all does the limbic system include ?

A 
inner part of cerebral hemisphere 
anterior part of thalamus 
hypothalamus 
hippocampus 
amygdala 
part of basal ganglia
septum
42
Q

where is midbrain located ?

A

btw thalamus and pons

43
Q

what two unique things does midbrain

contain

A

corpura quadrigemini and crura cerebri

44
Q

what is corpora quadrigemini and what are its two parts

A

4 optical swellings present on dorsal side
superior colliculi - associated with vision reflex
inferior colliculi - associated with auditory reflex

45
Q

function of amygdala

A

controls emotions esp fear and anger

46
Q

function of hippocampus

A
  • converts short term into long term memory

- deals with emotion attached with smell

47
Q

function of septum

A

controls sexual behavior

48
Q

what is crura cerebri ?

it is aka?

A
  • k/a cerebral peduncle

- paired tract that runs anteriorly and connects the forebrain to the hindbrain.

49
Q

what is cerebral aqueduct called and function?

it is a part of _____

A

aqueduct of Sylvie, foramen of iter.
connects the 3rd ventricle to the 4th ventricle
midbrain

50
Q

function of midbrain

A
  • vision
  • hearing
  • motor control
  • sleepwake cycle
  • temp regulation
51
Q

function of pons

A
  • all sensory pathways to cerebral cortex synapse at pons
  • connects cerebral hemisphere to cerebellum
  • contains pneumotaxic center (switch off point of inspiration)
52
Q

describe structure of cerebellum.

A

little cerebrum, second largest and highly convoluted

53
Q

describe structure of cerebellum and its hemispheres

A

two hemisphere connected by vermis (worm like appearance)

54
Q

what is the grey+white matter in cerebellum called?

A

Arbor vitae (tree of life)

55
Q

how is the cerebellum connected to

i) midbrain
ii) pons
iii) medulla

A

i) superior cerebellar peduncle
ii) middle cerebellar peduncle
iii) inferior cerebellar peduncle

56
Q

which part of brain controls all involuntary activities

A

cerebellum

57
Q

functions of cerebellum ?

A
  • maintains body balance and posture
  • doesn’t initiate but reorganize movement
  • helps in learning but only in early stages
58
Q

where is the medulla oblongata found?

A

inferior part of the brain

59
Q

which all 6 centers does medulla contain?along with centers it also contains _____

A

-cardiovascular center, respiratory center, git center,
vomiting center, yawning center and vasometer center
-posterior choroid plexus

60
Q

what is the brain stem made up of

A

mid brain, pons and medulla

61
Q

what is ras?

A

reticular activating center

  • grey + white matter of spinal cord forms a net like structure
  • connects the thalamus with the major nerves of spinal cord
  • gatekeeper to consciousness
62
Q

what are the ventricles in brain?

A

4 fluid filled spaces of brain are called ventricles

63
Q

describe ventricles of brain

A

2 lateral ventricles called paracoel which open to 3rd ventricle thru the opening called foramen of munro or interventricular foramen
the 3rd ventricle then opens to 4th ventricle via cerebral aquiduct / aquiduct of sylvia / foramen of iter

64
Q

what are lateral , 3rd and 4th ventricles called?

A

paracoel, diecoel and metacoel

65
Q

where does the csf flow

A

to the central canal of spinal cord

to sub arachnoid space

66
Q

how does csf flow to sub arachnoid space ?

A

through 3 aperatures present on roof of ventricle 2 lateral thru foramen of lushka 1 median thru foramen of megendie

67
Q

who makes csf?

A

anterior choroid plexus in epithalamus and posterior choroid plexus in medulla oblongata

68
Q

what does csf contain ?

A

glucose, urea, proteins, water, calcium, bicarbonate, magnesium, chloride

69
Q

function of csf

A

1) shock absorber
2) bouyancy
3) provides nutrition to the brain tissue

70
Q

outer part is ____

inner part is ____ in spinal cord

A

white

grey (h-shape)

bio class 11 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions