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Histo lab > Lesson 6 > Flashcards

Lesson 6 Flashcards

1
Q

Primary tissue of motion responsible for
the movement of the different parts of
the body

A

➢ MUSCULAR TISSUE

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2
Q
  • The smooth and skeletal muscle
    fibers are bound together by areolar
    tissues.
  • Long, cylindrical, multinucleated
    (more than 1 nucleus)
A

➢ MUSCLE FIBER (CELL)

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3
Q
  • Contain blood vessels and nerves
A

➢ AREOLAR TISSUES

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4
Q
  • Bound by intercalated disks
A

➢ CARDIAC MUSCLE FIBERS

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5
Q
A
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6
Q

It is the unit of structure and function It is also elongated and contains myofibrils.

A

MUSCLE FIBER

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7
Q

MYOFIBRIL is Composed of ____

A

myofilaments

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8
Q
  • The muscles are acidophilic in
    staining affinity.
  • The only stain it can take up is acid
A

➢ STAINING OF MUSCLES

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9
Q
  • Dense irregular connective tissue
  • Sheath that surrounds the entire
    muscle
  • Outer part
A

EPIMYSIUM

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10
Q
  • Dense irregular connective tissue
  • Sheath that surrounds the fascicle
A

PERIMYSIUM

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11
Q

it is a bundle of muscle
fibers; cylindrical

A

Fascicle

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12
Q
  • Thin delicate layer of reticular fibers
    and scattered fibroblast
  • Innermost sheath surrounding
    individual muscle fiber/myocyte
A

ENDOMYSIUM

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13
Q
  • Muscle plasma membrane
  • Acts as cell wall
A

SARCOLEMMA

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14
Q

Cytoplasm of a muscle fiber

A

SARCOPLASM

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15
Q
  • The smallest functional unit of
    striated muscle tissue
  • Main contractile unit of skeletal
    muscle fiber (myocyte)
  • Structure between two Z disc
A

SARCOMERE

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16
Q

this Composed of two main protein filaments

A

o Thin actin filament
o Thick myosin filaments

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17
Q
  • Marks the center of the sarcomere.
A

➢ M line

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17
Q

The area where two actin filaments
connect and transverse the I bands.

A

➢ Z disc

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18
Q
  • Area between the M line and Z disc
    and this zone contains only the
    myosin
  • Does not contain thin (actin) filaments.
  • The center of the A band
  • No overlap between the thick and the
    thin filaments
A

➢ H zone

19
Q

3 TYPES OF MUSCULAR TISSUE

A
  1. Cardiac muscle / striated voluntary muscle
  2. Skeletal muscle / striated muscle
  3. Smooth muscle
20
Q

MUSCULAR TISSUE
Presence of intercalated discs

A
  1. Skeletal muscle / striated muscle
21
Q

MUSCULAR TISSUE
Nucleus: Flat – located under the cell membrane

A
  1. Skeletal muscle / striated muscle
22
Q

MUSCULAR TISSUE
Nucleus: Round – shape of muscle is spindle-shaped

A
  1. Smooth muscle
23
Q

It is the unit of structure and function.
It is elongated and contains myofibrils.

A

The Muscle Fiber

24
Q

It is composed of myofilaments.

A

Myofibril

25
Q

The muscles are acidophilic in staining affinity.

A

Staining of Muscles

25
Q

Types of Muscular Tissue

A
  1. Cardiac muscle / striated voluntary muscle
  2. Skeletal muscle / striated muscle
  3. Smooth muscle
26
Q

Smooth Muscle Middle of the _____

A

esophagus

27
Q

The Smooth Muscle Interior anal _____

A

sphincter

28
Q

The Smooth Muscle Wall of the _____

A

alimentary duct

29
Q

The Smooth Muscle Urinary and _____

A

genital tracts

30
Q

The Smooth Muscle Walls of _____

A

arteries

31
Q

The Smooth Muscle Veins and larger _____

A

lymphatics

32
Q

The Smooth Muscle Capsule of the _____

A

spleen

33
Q

Smooth Muscle ________ muscles in the skin

A

Arrectores pilorum

34
Q

Smooth Muscle ________ body of the eye

A

Iris and ciliary

35
Q

Smooth Muscle ________ of mammary gland

A

Areola

36
Q

Smooth Muscle Subcutaneous tissue of the ________

A

scrotum

37
Q

Anal Sphincter
The ________ can
be voluntary controlled.

A

exterior anal sphincter

38
Q

Anal Sphincter The _________ is
not voluntarily controlled

A

interior anal sphincter

39
Q

Anal Sphincter Loss of control of interior anal
sphincter can result to
_________

A

incontinence

40
Q

Anal Sphincter
________ is the lack of
voluntary control over urination
and defecation.

A

Incontinence

41
Q

These are tiny hair erector
muscles under the skin that
cause “goosebumps” when
there is a stimulus.
This muscle can be stimulated
by cold temperature or fear.

A

Arrectores pilorum muscles

42
Q

Makes up the entire musculature of the
body.
This is usually attached to the skeletal
system.
This includes the muscle of the tongue
and upper portion of the esophagus.

A

Striated Muscle

43
Q

Cardiac Muscle
This tissue is found in several areas in the heart

A
  • The myocardium
  • Walls of the large vessels joining the heart like the aorta
  • Vena cava
  • Pulmonary vessels
44
Q

receive signals from the atrioventricular node (AVN) which
cause it to stimulate the ventricular myocardium which activate the left and
right ventricles

A

Purkinje Fibers

Histo lab (8 decks)

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