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Anatomy > Tissues > Flashcards

Tissues Flashcards

1
Q

What are tissues?

A

A group of similar cells that function together

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2
Q

What is the study of cells?

A

Histology

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3
Q

What does a pathologist do?

A

Examine tissue for damage and disease

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4
Q

Where are cell junctions located?

A

In most epithelial tissue and some muscle and nerve cells

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5
Q

What is the function of a tight junction?

A

Few cells together tightly to prevent substances passing between cells

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6
Q

What is the function of Adherens junctions?

A

Resist separation of cells when stretched

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7
Q

What is the function of desmosomes?

A

To prevent separation of cells under tension or contraction

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8
Q

What is the function of hemidesmosomes?

A

Attach cells to membranes and not to each other

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9
Q

What is the function of gap junctions?

A

Allows cells to communicate with one another

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10
Q

Where are tight junctions located?

A

Lining of stomach, intestines, and Bladdar

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11
Q

Where are Adherens junctions located?

A

Urinary bladder and uterus

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12
Q

Where are desmosomes located?

A

Epidermis and cardiac muscle cells

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13
Q

Where are Hemidesmosomes located?

A

Skin cells attached to basement membrane

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14
Q

Where are gap junctions located?

A

Nervous system, heart muscle, gastrointestinal tract

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15
Q

What do Exocrine glands do?

A

Secrete substances through tubes or ducts (sweat glands)

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16
Q

What do endocrine glands do?

A

Secrete into interstitial fluid and blood

Thyroid, pituitary gland

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17
Q

What are the three types of surfaces for epithelial tissue?

A

Ethical, lateral, basal

18
Q

What are the three epithelial tissue functions?

A

Selective barriers- limit transfer of substances in and out of the body
Secretory services
Protective services

19
Q

What does extracellular matrix consist of?

A

Ground substance, protein fibers

20
Q

What is the function of extracellular matrix?

A

Provide strength to tissue to resist stretching and compressive forces

21
Q

What do collagen fibers do?

A

Resist to tension and pressure

22
Q

What do elastic fibers do?

A

Allow stretching without breaking

23
Q

What do reticular fibers do?

A

Scaffold that support cells and ground substances

24
Q

Name the four functions of connective tissue?

A

Connecting in binding, support, protection, transport

25
Q

What do connective tissue’s connect and bind?

A

Anchor tissue layers in organs, link organs together

26
Q

What do connective tissue’s support?

A

Bone cartilage and body weight

27
Q

What do connective tissue’s protect?

A

Bone protects certain internal organs and cartilage and fat provide shock absorption

28
Q

What do you connective tissue’s transport?

A

Blood

29
Q

Name the types of connective tissue Proper cells?

A

Fibroblast, adipocytes, mast cells, Phaygosytes

30
Q

Name the three specialized connective tissue’s?

A

Cartilage, bone tissue, blood

31
Q

Is skeletal muscle tissue voluntary or involuntary?

A

Voluntary

32
Q

Are cardiac muscle cells voluntary or involuntary

A

Involuntary

33
Q

Are smooth muscle cells voluntary or involuntary?

A

Involuntary

34
Q

What is the function of a membrane?

A

Anchor organs in place, surveyors barrier, function in immunity, and secrete various substances

35
Q

What is the parietal layer is the Serous membrane?

A

Lines the body wall

36
Q

What is the the visceral layer in the serous membrane

A

It covers the organ within the body cavity

37
Q

What is the function of a serous membrane?

A

Reduce friction created one organs move it within respective membranes

38
Q

What does a synovial membrane do?

A

Line cabbie surrounding freely movable joints like the knee or shoulder

39
Q

What is the function of a mucous membrane?

A

Primarily protection

40
Q

What is tissue repair?

A

The process of wound healing

41
Q

Name three factors that affect tissue repair

A

Nutrition, blood circulation, age

Anatomy (18 decks)

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