Histology - Muscle and Nervous Tissues Flashcards by Jose Brambila

Q

Muscle Tissues

3 Types of Muscle Tissues

A

Smooth Muscle

Skeletal Muscle

Cardiac Muscle

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Q

Muscle Tissues

What is the general structure of Muscle Tissues?

A

Long and Narrow Fibers

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Q

Muscle Tissues

How do muscle tissues function?

A

Through contraction in motion, posture, and heat production

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Q

Muscle Tissues

How do you identify Muscle Tissue

A

Skeletal: Multinucleated

Smooth: Non-striated

Cardiac: Branched

[bifurcated and intercalated disks]

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Q

Identify

A

Smooth Muscle Tissue

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Q

Muscle Tissue

What is the structure of Smooth Muscle Tissue?

A

Fusiform (spindle-shaped)

Short

Contain one centrally located nucleus

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Q

Muscle Tissue

What is the function of Smooth Muscle Tissue?

A

Involuntary movements and motion

Moves materials through internal organs

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Q

Muscle Tissue

Where is Smooth Muscle Tissue found?

A

Walls of hollow internal organs:

Vessels
Airways
Stomach
Bladder
Uterus

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Q

Identify

A

Skeletal Muscle

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Q

Muscle Tissue

What is the structure of Skeletal Muscle?

A

Long fibers

Cylindrical

Striated

Parallel

Multinucleated w/nuclei along periphery

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Q

Muscle Tissue

What is the function of Skeletal Muscle?

A

Moves skeleton

Voluntary movements

Heat production

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Q

Muscle Tissue

Where is Skeletal Muscle located?

A

Attached to bones or skin

Also found in voluntary sphncters (lips, urethra, anus)

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Q

Identify

A

Cardiac Muscle

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Q

Muscle Tissue

What is the structure of Cardiac Muscle?

A

Short

Bifurcated

Striated

centrally located nuclei

intercalated disks

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Q

Muscle Tissue

What is the function of Cardiac Muscle?

A

Involuntary contraction and relaxation

pumps blood in the heart

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Q

Muscle Tissue

Where is the location of Cardiac Muscle?

A

Heart wall

Myocardium

Q

Identify

A

Nervous Tissue

Q

Nervous Tissue

What is the structure of nervous tissue?

A

Neurons with rounded bodies

Axons and dendrites extending from cell body

Q

Nervous Tissue

What are the two types of Nervous Tissue?

A

Neurons

Glial Cells

Q

Nervous Tissue

What is the function a neuron?

A

Control of body

Information processing, storing, and retrieval

Internal communications

Q

Nervous Tissue

What is the function of Glial Cells?

A

Support and protect neurons

Q

Nervous Tissue

Where is Nervous Tissue located?

A

Brain

Spinal cord

Nerves