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a&p chapter 4 > Internal Framework of the Body > Flashcards

Internal Framework of the Body Flashcards

1
Q

Connective tissues perform which three functions?

A
  1. Provide strength and stability
  2. Maintain positions of internal organs
  3. Provide routes for blood vessels, lymphatic
    vessels, and nerves
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2
Q

• Are connective tissue layers and wrappings

that support or surround organs

A

• Fasciae (plural) or fascia (singular)

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3
Q

Three Types of Fasciae

A
  1. Superficial fascia
  2. Deep fascia
  3. Subserous fascia
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4
Q 
• Between skin and
underlying organs
• Areolar tissue and adipose
tissue
• Also known as
subcutaneous layer
or hypodermis
A

Superficial Fascia

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5
Q 
• Bound to capsules, tendons,
and ligaments
• Dense connective tissue
• Forms a strong, fibrous
internal framework
A

Deep Fascia

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6
Q

• Between serous
membranes and
deep fascia
• Areolar tissue

A

Subserous Fascia

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7
Q
  • Specialized for contraction

* Produces (initiates) all body movement

A

Muscle tissue

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8
Q

• Three types of muscle tissue

A
  1. Skeletal muscle tissue
    • Large body muscles responsible for movement
  2. Cardiac muscle tissue
    • Found only in the heart
  3. Smooth muscle tissue
    • Found in walls of hollow, contracting organs
    (blood vessels; urinary bladder; respiratory,
    digestive, and reproductive tracts)
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9
Q

• Large body muscles responsible for movement

A
  1. Skeletal muscle tissue
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10
Q

• Found only in the heart

A
  1. Cardiac muscle tissue
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11
Q
  1. Smooth muscle tissue
    • Found in walls of hollow, contracting organs
    (blood vessels; urinary bladder; respiratory,
    digestive, and reproductive tracts)
A
  1. Smooth muscle tissue
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12
Q

Classification of Muscle Cells–describe muscle cells

A

• Striated (muscle cells with a banded appearance)
• Nonstriated (not banded; smooth)
• Muscle cells can have a single nucleus (unicellular)
• Muscle cells can be multinucleate
• Muscle cells can be controlled voluntarily
(consciously)
• Muscle cells can be controlled involuntarily
(automatically)

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13
Q

muscle cells with a banded appearance

A

triated

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14
Q

not banded; smooth

A

Nonstriated

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15
Q

Muscle cells can be controlled involuntarily or ________

A

automatically

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16
Q

Muscle cells can be controlled voluntarily

or ___________

A

consciously

17
Q

• Long and thin (cylindrical)
• Usually called muscle fibers
• Do not divide
• New fibers are produced by stem cells (myosatellite
cells)
• Multinucleated, cylindrical, striated, voluntary muscles

A

Skeletal Muscle Cells

18
Q

New fibers are produced by stem cells (or ________

cells)

A

myosatellite cells

19
Q

Cells are long, cylindrical,

striated, and multinucleate.

A

Skeletal Muscle Cells

20
Q

Locations of Skeletal Muscle Cells

A

LOCATIONS: Combined
with connective tissues
and neural tissue in
skeletal muscles

21
Q

Functions of Skeletal Muscle Cells

A 
FUNCTIONS: Moves or
stabilizes the position of
the skeleton; guards
entrances and exits to the
digestive, respiratory, and
urinary tracts; generates
heat; protects internal
organs
22
Q

• Called cardiocytes
• Form branching networks connected at intercalated
discs
• Short branched, striated, involuntary muscles

A

Cardiac Muscle Cells

23
Q

• Called cardiocytes

A

Cardiac Muscle Cells

24
Q

Cardiac Muscle Cells form branching networks connected at _______ _____

A

intercalated

discs

25
Q
  • Small and tapered
  • Can divide and regenerate
  • Unicellular, spindle-shaped, nonstriated, involuntary
A

• Smooth Muscle Cells

26
Q 
Cells are short, branched,
and striated, usually with a
single nucleus; cells are
interconnected by
intercalated discs.
A

Cardiac Muscle Tissue

27
Q

Location of Cardiac Muscle Tissue

A

LOCATION: Heart

28
Q

Function of Cardiac Muscle Tissue

A

FUNCTIONS: Circulates
blood; maintains
blood pressure

29
Q 
Cells are short, spindleshaped,
and nonstriated,
with a single, central
nucleus.
LOCATION
A

Smooth Muscle Tissue

30
Q

Locations of Smooth Muscle Tissue

A

LOCATIONS: Found in
the walls of blood vessels
and in digestive, respiratory,
urinary, and reproductive organs

31
Q

Functions of Smooth Muscle Tissue

A 
FUNCTIONS: Moves food,
urine, and reproductive
tract secretions; controls
diameter of respiratory
passageways; regulates
diameter of blood vessels

a&p chapter 4 (9 decks)

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