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Anaphy Lecture > Nervous System > Flashcards

Nervous System Flashcards

1
Q

Control and Communication system in the body

A

Nervous system

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2
Q

many myelin sheath

can myelinate 3 axons at the same time

A

Oligodendrocytes

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3
Q

Type of Neurons that we can find in embryo and sensory neuron

A

unipolar - one process

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4
Q

Type of Neurons that we can find in receptor neuron, retina, olfactory receptors

A

bipolar - 1 axon 1 dendrite

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5
Q

Type of Neuron that we can find in Nervous System

A

Multipolar - 1 axon many dendrites

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6
Q

T or F

could it be possible to have double axon?

A

False, 1 axon lang

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7
Q

it is composed of neurons, nerves, supporting tissues

A

Nervous System

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8
Q

Main Difference of Oligodendrocytes to Schwann Cells?

A

Oligodendrocytes- forms myelin sheaths within the CNS

Schwann Cells- forms myelin sheath within the PNS

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9
Q

________ is composed of Nerves to the face, upper limb and lower limb and ganglia.

A

Peripheral Nervous System

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10
Q

________is composed of brain and spinal cord

A

Central Nervous System

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11
Q

basic unit of Nervous System

A

Neurons / Nerve Cells

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12
Q

support cells of neurons

A

Neuroglia / Glial Cells

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13
Q

it has no axon or dendrites

A

Neuroglia / Glial Cells

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14
Q

3 types of neurons structure

A

Unipolar
Bipolar
Multipolar

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15
Q

structural and functional unit of Nervous System

it has the properties of irritability and conductivity

A

Neurons

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16
Q

consist of cell body, dendrites(process fibers), and axon.

A

Neurons

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17
Q

Types of Processes of a Neuron

A 
Axon
Dendrites
Perikaryon (Cell Body)
Myelin Sheath
Nodes of Ranvier
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18
Q

single elongated cytoplasmic extension

carries impulses AWAY from the cell body

A

Axon

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19
Q

carries impulses TOWARDS the cell body

A

Dendrites

20
Q

found only in the gray matter of the brain, spinal cord, ganglia AKA Cell body

A

Perikaryon

21
Q

protein synthesis?

A

Ribosomes

22
Q

Parts of a Neuron?

A

Axon
Dendrites
Cell Body (Perikaryon)

23
Q

white lipid, protein substance that surrounds the nerve fiber?

A

myelin sheath

24
Q

Parts of Perikaryon?

A

Nucleus
Neurofibrils
Nissl Bodies

25
Q

center of the perikaryon

A

nucleus

26
Q

these are the fibers that forms network of cytoplasm

A

Neurofibrils

27
Q

dumps of flat vesicular membranous organ containing ribosomes

A

Nissl Bodies

28
Q

acts as insulator for neurons and increase the transmission rate of nerve impulses

A

Myelin Sheath

29
Q

Covered, ______ White Fiber

A

Myelinated

30
Q

Uncovered, _______ Gray Fiber

A

Unmyelinated

31
Q

points of CONSTRICTION along myelin sheath

unmyelinated/insulated

A

Nodes of Ranvier

32
Q

these are the delicate sheath formed Schwann cells around peripheral nerves

A

Neurolemma or Neurilemma

33
Q

_____ means to bind

A

Glia

34
Q

T or F

we can still produce myelin sheath without the Schwann cells

A

False, if there is no Schwann cells we cannot produce myelin sheath

35
Q

_____ means membrane

A

lemma

36
Q

3 functions of neurons

A

Afferent or Sensory
Efferent or Motor
Center or Internuncial or Intercalated

37
Q

transmit impulses to CNS to effector organs

A

Efferent or Motor

38
Q

transmit impulses from receptors to CNS

A

Afferent or Sensory

39
Q

transmit impulses from part of the brain or Spinal Cord to another

AKA intermediate or association

A

Center or Internuncial or Intercalated

40
Q

non neuronal cells of CNS & PNS

numerous than neurons

retains the ability to divide and bonds all the neurons

A

Neuroglia

41
Q

5 types of Glial Cells?

A 
Astrocytes
Ependymal
Microglia
Schwann Cells
Oligodendrocytes
42
Q

protects us from bacteria entering the Nervous System and engulf bacteria and cell debris

A

Microglia

43
Q

synthesis of myelin sheath in CNS

A

Oligodendrocytes

44
Q

synthesis of myelin sheath in PNS

A

Schwann Cells

45
Q

MAJOR SUPPORTING TISSUE

in contact to Blood Vessels like capillaries to form BBB ( Blood Brain Barrier)

A

Astrocytes

46
Q

AKA wall

lines the ventricles of the brain and center canal of Spinal Cord

some produces cerebrospinal fluid and others with cilia

A

Ependymal

47
Q

lines the cavities of the brain

A

Ependymal

Anaphy Lecture (15 decks)

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