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A&P I > CNS > Flashcards

CNS Flashcards

(59 cards)

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1
Q

Cross bar of H in spinal cord

A

Grey commissure

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2
Q

2 spinal cord functions

A

Reflex
Communication

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3
Q

Spinal meninge
Outer
Dense irreg

A

Dura mater

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4
Q

Spinal meninge
Middle
Collagenous
Elastic ct

A

Arachnoid mater

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5
Q

Inner most layer

A

Pia mater

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6
Q

Subarachnoid space

A

Cerebrospinal fluid
Between arachnoid and pia

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7
Q

Open nerves
Lumbar

A

Cauda equina

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8
Q

Spinal nerves

A

31

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9
Q

Sensory axons

A

Posterior root

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10
Q

Motor axons

A

Anterior root

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11
Q

Deep posterior muscles

A

Posterior ramus

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12
Q

Limbs
Skin

A

Anterior ramus

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13
Q

Turns around
Re enters vertebrae

A

Meningeal branch

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14
Q

ANS
Visceral organs
Out/ in signals

A

Rami communicantes

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15
Q

T2 armpit + back of arm
T3-6 ant. + lat. chest wall
T7-12 abdominal + skin
Posterior rami -> musc. in back

A

Intercostal nerves

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16
Q

C1-C5
Cervical plexus
Scalenes, trapezius, splenius capitis

A

Ansa cervicalis

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17
Q

C1-C5
Cervical plexus
Diaphragm

A

Phernic nerve

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18
Q

C5-T2
Brachial plexus
Levator scapuli
Rhomboids

A

Dorsal scapular

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19
Q

C5-T2
Brachial plexus
Supraspinatus
Infraspinatus

A

Supra scapular

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20
Q

C5-T2
Brachial plexus
Coracobrachioradialis
Biceps brachii

A

Musculocutaneous

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21
Q

C5-T2
Brachial plexus
Deltoid
Teres minor

A

Axillary nerve

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22
Q

C5-T2
Brachial plexus
Pronator teres
Pronator quadratus
Flexor carpi radialis
Flexor carpi ulnaris

A

Median nerve

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23
Q

C5-T2
Brachial plexus
Brachioradialis
Triceps brachii
Extensor carpi radialis
Extensor carpi ulnaris

A

Radial nerve

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24
Q

C5-T2
Brachial plexus
Funny bone

25
L1-L5 Lumbar plexus Hip flexors and knee extensors
Femoral nerve
26
L1-L5 Lumbar plexus Adductors
Obturator nerve
27
L4-S5 Sacral plexus Hamstrings Largest
Sciatic nerve
28
L4-S5 Sacral plexus Gastrocnemius Soleus
Tibial nerve
29
L4-S5 Sacral plexus Fibularis longus
Common fibular nerve
30
Reflex arc (5)
1. Sensory receptor 2. Sensory neuron 3. Integrating center 4. Motor neuron 5. Effector
31
Muscle length shorten Ipsalateral Monosynaptic
Stretch reflex
32
Ipsalateral Polysynaptic
Tendon reflex
33
Ipsalateral Polysynaptic Pain stimulus
Flexor or withdrawal reflex
34
Contralateral Polysynaptic Prevent falls
Crossed extensor réflex
35
Behind brain stem
Cerebellum
36
Deep and above brains stem
Diencephalon
37
Top big part of brain
Cerebrum
38
Separates cerebrum sides
Falx cerebri
39
Sep cerebellum
Falx cerebelli
40
Sep cerebrum from cerebellum
Tentorium cerebelli
41
CSF
Cerebrospinal fluid Colorless Central canal and ventricles Shock and circulation and chemical protection
42
Where csf is made
Ependymal cells in choroid plexus of epithalamus
43
Separating membrane of ventricles
Septum pellucidum
44
CN 8-12 Resp. HR BP Swallow Vomit Cough
Medull oblongata
45
CN 5-8 resp Voluntary movements Vestibular equilibrium
Pons
46
CN 3+4 Head/eye Muscle tone
Midbrain
47
Lots of grey matter Balance and posture Skel muscle move Branching white matter
Cerebellum Arbor vitae
48
80% diencephalon Movement plan + control Relay station NOT smell
Thalamus
49
ANS control Pituitary gland Nervous and endocrine sys connect
Hypothalamus
50
Olfactory stimulus Pineal gland (melatonin) Choroid plexus
Epithalamus
51
Superficial grey mater of cerebrum
Cerebral cortex
52
Connections between hemispheres
Corpus callosum
53
Myelinated white mater tract Stay on their side
Association tract
54
White mater cerebrum Connect right and left gyri
Commissural tract
55
Cerebrum white mater Connect cerebrum to other CNS
Projection tracts
56
Functional group of brain Long term memory Emotions
Limbic system
57
Cerebral Cortex sensory areas
Primary somatosensory - proprioception pain pressure
58
Motor areas of cerebral cortex
Primary motor cortex- integrate voluntary movement efferent Brocas speech area - left, speech muscle
59
Association areas of cerebral cortex
Somatosensory ass. Area- touch memory Wernickes area- left, meaning of speech Common Integrative- tpo lobes, mult senses Inter grated Premotor area - dance, guitar Frontal eye field

A&P I (9 decks)

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