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connective tissue Flashcards

1
Q

What is connective tissue?

A

-Most abudant & diverse
-Matrix = extracellular component of connective tissue

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2
Q

What are the three types of protein fiber?

A
  1. Collagen fibers - strong & flexible
  2. Elastic fibers - protein called elastin, strech
  3. Reticular fibers - thin, branching
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3
Q

What are the common cell types found in connective tissue?

A
  1. Fibroblasts - produce 3 protein fibers
  2. Plasma cells - produce antibodies
  3. Macrophage - Phagocytic cells
  4. Mast cells - contain histamine (inflammatory substance) + heparin (anticoagulant)
  5. Lymphocytes - Type of WBC
  6. Neutrophils & Eosinophils - specialized wbc’s
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4
Q

What is the location of areolar tissue?

A

Subcutaneous layer (below the skin) + around blood vessels & nerves

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5
Q

What is the function of areolar tissue?

A

Elasticity and support

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6
Q

What is the location of adipose tissue?

A

Subcutaneous layer of skin, around heart, kidneys, & yellow bone marrow

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7
Q

What is the function of adipose tissue?

A

Fat storage, insulation, & protection

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8
Q

What is the location of dense regular tissue?

A

Tendons + ligaments

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9
Q

What is the function of dense regular tissue?

A

Provide strong attachment & has collagen fibers

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10
Q

What is the location of dense irregular tissue?

A

Dermis of skin & pericardium of heart

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11
Q

What is the function of dense irregular tissue?

A

Provides strength and has randomly arranged collagen fibers

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12
Q

What is the location of reticular tissue?

A

Lymph nodes, spleen, & red bone marrow

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13
Q

What is the function of reticular tissue?

A

Provides supporting framework of various organs and has reticular fibers

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14
Q

What is the location of the bone?

A

Skeleton

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15
Q

What is the function of the bone?

A

Support, protection, movement, storage of minerals, houses blood forming tissue

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16
Q

What is the artery + vein?

A

Central canal

17
Q

What are the rings of matrix?

A

Lamella

18
Q

What does the lacuna contain?

A

Osteocytes

19
Q

What tiny channels connect one lacuna to another?

A

Canaliculi

20
Q

What is arranged in cylindrical units?

A

Osteon

21
Q

What is the location of elastic tissue?

A

Walls of arteries, lung tissue and true vocal cords

22
Q

What is the function of elastic tissue

A

Stretching

23
Q

What is the location of hyaline cartilage?

A

trachea, bronchi, external nose, & ends of long bones

24
Q

What is the function of hyaline cartilage?

A

Flexibility & support

25
Q

What is the function of fibrocartilage?

A

Flexibility & support

26
Q

What is the location of fibrocartilage?

A

Pubic symphysis and intervertebral discs

27
Q

What is the location of elastic cartilage?

A

External ear and auditory tube

28
Q

What is the function of elastic cartilage?

A

Flexibility & support

a&p (8 decks)

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