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Human Histology > Chapter 5: Nervous Tissue > Flashcards

Chapter 5: Nervous Tissue Flashcards

1
Q

Elongated cells with extremely fine processes

A

Nervous Tissue

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2
Q

What nervous tissue are in PNS?

A

All the nervous tissue outside CNS (brain &spinal cord)

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3
Q

Embryonic origin of nervous tissue

A

Ectoderm

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4
Q

Flat Cells encased by basal lamina found in neurilemmal sheath of the PNS

A

Schwann Cells

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5
Q

Every nerve fiber in the PNS is enveloped with this connective tissue

A

Endoneurium

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6
Q

What transport process is this: anterograde-perikaryon to axon terminals
: retrograde-axon terminals to perikaryon

A

Axonal Transport

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7
Q

rER in a perikaryon of a neuron is

A

Abundant in dendrites and absent in axon

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8
Q

Source of Microtubules of a neuron

A

centrosome

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9
Q

It is the majority of motor neurons

A

Multipolar

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10
Q

Conduct action potential towards the CNS

A

Sensory Neurons or Afferent Neurons

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11
Q

Conduct action potential away from CNS

A

Motor Neurons or Efferent Neurons

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12
Q

Point of contact between a neuron and another neuron

A

Synapse

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13
Q

Forms the blood-brain barrier in the CNS

A

Astrocytes

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14
Q

The counterpart of Satellite Cells found in the CNS

A

Astrocytes

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15
Q

Epithelium found in the ependymal cell

A

Simple Cuboidal Epithelium

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16
Q

These cells can be found along the surface ventricles of the brain and spinal cord

A

Ependymal Cells

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17
Q

The outermost layer of a peripheral nerve. The strongest connective tissue layer of the nerve

A

Epineurium

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18
Q

The enveloping membrane of the CNS made up of connective tissue

A

Meninges

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19
Q

Site for anesthesia

A

Epidural Space

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20
Q

COBWEB-LIKE connective tissue strands

A

Arachnoid Membrane

21
Q

Connective tissue found in Dura Mater

A

Dense connective tissue

22
Q

Epithelium found in Dura Mater

A

Simple Squamous Epithelium

23
Q

Connective tissue fiber found in Pia Mater

A

Collagen and Elastic Fiber

24
Q

Water cushion of CNS

A

CSF

25
Q

Clear, Slightly viscous fluid circulates within the ventricles of the brain

A

CSF

26
Q

Normally present in CSF

A

lymphocytes

27
Q

Acts like a tube with a one-way valve that allows passage of CSF from subarachnoid space into the vein

A

Arachnoid villi

28
Q

In ganglion, each neuron is surrounded by these supporting cells

A

satellite cells

29
Q

A collection of cell bodies of neurons that have a common function in the PNS

A

Ganglion

30
Q

The connective tissue found in epineurium

A

Dense Irregular connective tissue

31
Q

The connective tissue found in endoneurium

A

Loose connective tissue

32
Q

This is the counterpart of tracts in the CNS

A

Peripheral nerves

33
Q

Immune function by removing bacteria and cell debris

A

microglial

34
Q

Transmits action potentials from the CNS to skeletal muscles

A

Somatic

35
Q

Autonomic Nervous System transmit action potentials from CNS to:

A

Cardiac and Smooth Muscle

36
Q

Controls the activity of structures that are not under conscious control

A

autonomic efferent motor neurons

37
Q

Responsible for constriction of pupil, slowing of heart rate and resting and relaxing situations

A

Parasympathetic Division of Autonomic nervous system

38
Q

Responds to impending danger or stress and fight or flight situations

A

Sympathetic Division of Autonomic nervous system

39
Q

A special nervous system found only in the digestive tract

A

Enteric

40
Q

Conduct action potential

A

Nerve Cell

41
Q

send and receive stimuli via neurotransmitters

A

Nerve Cell

42
Q

Synapses

A

Nerve Cell

43
Q

Nissl Bodies

A

Nerve Cell

44
Q

Axon and Dendrite

A

Nerve Cell

45
Q

Supportive Neuroglial Cells

A

Glial Cell

46
Q

Astrocytes

A

Glial Cell

47
Q

Microglial Cells

A

Glial Cell

48
Q

Satellite Cells

A

Glial Cell

Human Histology (7 decks)

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