Ch 9 Flashcards Preview

Vet Med Term > Ch 9 > Flashcards

Flashcards in Ch 9 Deck (52)
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1
Q

Myel/o

A

Spinal cord

2
Q

Phas/o

A

Speech

3
Q

Poli/o

A

Gray matter

4
Q

Pont/o

A

Pons

5
Q

Radicul/o

A

Nerve root

6
Q

Thec/o

A

Sheath

7
Q

-algesia

A

Pain, sensitivity

8
Q

-esthesia

A

Feeling, sensation

9
Q

-paresis

A

Weakness

10
Q

-phasia

A

Speech

11
Q

-plegia

A

Paralysis

12
Q

-taxia

A

Muscle coordination

13
Q

Comprised of unsheathed or uncovered cell bodies and dendrites

A

Gray matter

14
Q

Myelinated nerve fibers

A

White matter

15
Q

Cerebrum

A

Largest section, upper portion, processes thoughts and judgement, etc

16
Q

Cerebral cortex

A

Outer layer or cerebrum, composed of folds of gray matter

17
Q

Gyri

A

Elevated portion of the cerebrum, or convolutions

18
Q

Thalamus

A

Center for relaying impulses from eyes, ears, and skin to cerebrum, controls perception of pain

19
Q

Diencehalon

A

Located between cerebrum, contains thalamus and hypothalamus

20
Q

Sulci

A

Fissures, or valleys, between Gyri

21
Q

Hypothalamus

A

Controls body temperature, appetite, sleep, sexual desire, and emotions, automatic nervous system, cardio, etc

22
Q

Cerebellum

A

Coordinating body movements, balance, refines muscular units

23
Q

Brain stem

A

Midbrain- pathway for impulses between brain and spinal cord
Pons- means bridge between cerebellum to rest of brain
Medulla oblongata- brain to spinal cord

24
Q

Gli/o

A

Glue

25
Q

Meninges

A

Protective membrane sac of cns, has 3 layers: dura mater, arachnoid layer, pia mater

26
Q

Dura mater

A

Outermost, tough, fibrous sac

27
Q

Subdural space

A

Empty space between dura mater and arachnoid layer

28
Q

Pia mater

A

Applied directly to surface of brain

29
Q

Afferent neuron

A

Sensory neurons, carry info from sensory to cns

30
Q

Subarachnoid space

A

Contains csf

31
Q

Arachnoid layer

A

Thin, delicate layer attached to pia matter

32
Q

Efferent neurons

A

Motor neurons, carry instructions from cns to muscles or glands

33
Q

Sympathetic (ans)

A

Fight or flight

34
Q

Parasympathetic (ans)

A

Rest and digest

35
Q

Somatic nerves

A

Voluntary actions, skin & skeletal

36
Q

Aura

A

Sensations occurring prior to epileptic seizure or migraine

37
Q

Myasthenia gravis

A

Muscular weakness and fatigue due to insufficient neurotransmitter at synapses

38
Q

Dura mater

A

Outermost, tough, fibrous sac

39
Q

Arachnoid layer

A

Thin, delicate layer attached to pia matter

40
Q

Positron emission tomography (PET)

A

Use of positive radionuclides to construct an image of the brain; image reveals metabolic activity of brain areas

41
Q

Subdural space

A

Empty space between dura mater and arachnoid layer

42
Q

Meninges

A

Protective membrane sac of cns, has 3 layers: dura mater, arachnoid layer, pia mater

43
Q

Subarachnoid space

A

Contains csf

44
Q

Efferent neurons

A

Motor neurons, carry instructions from cns to muscles or glands

45
Q

Afferent neuron

A

Sensory neurons, carry info from sensory to cns

46
Q

Pia mater

A

Applied directly to surface of brain

47
Q

Sympathetic (ans)

A

Fight or flight

48
Q

Parasympathetic (ans)

A

Rest and digest

49
Q

Somatic nerves

A

Voluntary actions, skin & skeletal

50
Q

Positron emission tomography (PET)

A

Use of positive radionuclides to construct an image of the brain; image reveals metabolic activity of brain areas

51
Q

Myasthenia gravis

A

Muscular weakness and fatigue due to insufficient neurotransmitter at synapses

52
Q

Aura

A

Sensations occurring prior to epileptic seizure or migraine