Nervous Tissue Flashcards Preview

Anatomy: Muscles > Nervous Tissue > Flashcards

Flashcards in Nervous Tissue Deck (31):
1

The CNS is made of the:

brain and spinal cord

2

The PNS contains

cranial nerves, spinal nerves and ganglia

3

somatic sensory functions are considered ___

voluntary

4

visceral sensory components are considered ___

involuntary

5

somatic motor is typically under ____ control

voluntary

6

autonomic motor is _____

involuntary

7

When the autonomic motor component does not function properly, it leads to a condition called

dysautonomia

8

immature ____ cells in the _____ could be becoming new neurons in adults

progenitor, hippocampus

9

immature progenitor cells are called

neural stem cells

10

____ cells but not ___ cells are able to perform mitosis

glial, neuron

11

The _____ is responsible for memory processing the brain

hippocampus

12

the autonomic motor component is divided into the _____ and _____-

sympathetic and parasympathetic

13

Neoplasms from unregulated ell growth in the nervous system are composed of ___ cells

glial

14

_____ is the spreading of cancer

metastasis

15

____ cells far outnumber ____

glial, neurons

16

____ cells do not transmit nerve impulses

glial

17

_____ in the CNS and ____ cells in the PNS produce insulating material called ___

oligodendrocytes, Schwann, myelin

18

The ___ ____ ____ protects the brain from toxins but allows some nutrients and so is considered ___ _____ partially due to surrounding ____

blood brain barrier, selectively permeable, astrocytes

19

cells that line the internal cavities or ___ of the brain and the ___ ___ of the spinal cord are called:

ventricles, central canal, ependymal

20

_____ ___ and nearby blood capillaries together form a network called ____ ____ which produces ____ ____ ____

ependymal cells, choroid plexus, cerebral spinal fluid

21

ependymal cells have ___ on their apical surfaces that help circulate CSF

cilia

22

What happens in the 3rd week of development of an embryo?

the neural groove appears and by the end, the groove has fused to form a neural tube

23

the cranial part of the neural tube expands to for the __ and the caudal part expands to for the ___ ___

brain, spinal cord

24

Ascending paralysis is a condition related to

guillane barre syndrome

25

What syndromes result in demyelination?

MS, GBS, multifocal motor neuropathy

26

What disease is a result of reduced dopamine?

Parkinson's

27

What is a fast progressing degenerative disease that is usually not inherited?

Amyotrophic lateral sclerosis

28

a blood clot that blocks the blood flow to a portion of the brain is an ___ stroke

ischemic

29

a section of an artery bursts and bleeds in the brain is a ___ stroke

hemorrhagic

30

having a substantial or complete absence of brain at birth is ___

ancephaly

31

spina bifida ___ is more serious and usually leads to ____ whereas spina bifida ___ is asymptomatic

cystica, paralysis, occulta