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Anatomy > Chapter 4 Part 2 > Flashcards

Chapter 4 Part 2 Flashcards

1
Q

What are the four main classes of connective tissue?

A

Connective tissue proper, cartilage, bone tissue, blood

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2
Q

What are four functions of connective tissues

A

Forms basis of skelton, stores and carry nutrients, surround blood vessels and nerves, lead fight against infection

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3
Q

What is extracellular matrix composed of?

A

Ground substance and fibers

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4
Q

Fibroblasts

A

In connective tissue proper, make protein subunits, produce fibers

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5
Q

Chondroblasts

A

Secrete matrix in cartilage

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6
Q

Osteoblasts

A

Secrete matrix in bone

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7
Q

Blast vs cyte

A

Blast: Immature cell that secretes matrix
Cyte: Cell that maintains matrix

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8
Q

What does areolar connective tissue contain?

A

Fat cells, white blood cells, macrophages, and mast cells

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9
Q

What are three types of fibers?

A

Collagen, reticular, elastic

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10
Q

Function of Collagen fibers

A

Strongest, resist tension

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11
Q

Function of reticular fibers

A

Bundles of special type of collagen, form network especially along CT edge

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12
Q

Function of elastic fibers

A

Contain elastin that recoils after stretching

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13
Q

How is ground substance produced?

A

By the primary cell type of the tissue

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14
Q

Function of ground substance

A

Cushions and protects body structures, holds tissue fluid

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15
Q

4 connective tissue classes

A

Connective tissue proper, cartilage, bone tissue, blood

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16
Q

Subclasses of connective tissue proper

A

Loose connective tissue and dense connective tissue

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17
Q

Areolar connective tissue

A

Most common type, surrounds small nerves and blood vessels and borders all other tissues in the body, has good blood supply

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18
Q

Function of connective tissues

A

Support and binding of other tissues, holding body fluids, defending body against infection, storing nutrients as fat

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19
Q

Function of areolar connective tissue

A

Wraps and cushions organs, holds and conveys tissue fluid, important role in inflammation

20
Q

Where is areolar connective tissue found?

A

Under epithelia, packages organs, surrounds capillaries

21
Q

Function of adipose connective tissue

A

Reserve food fuel, insulates against heat loss, supports and protects organs, vascularized

22
Q

Location of adipose connective tissue

A

Under skin in hypodermic, around kidneys and eyeballs, within abdomen, in breasts

23
Q

Function of reticular connective tissue

A

Fibers form a soft internal skeleton that supports other cell types including white blood cells, mast cells, and macrophages

24
Q

Location of reticular connective tissue

A

Lymphoid organs; lymph nodes, bone marrow, spleen

25
Q

3 types of loose connective tissue

A

Reticular, adipose, areolar

26
Q

3 types of dense connective tissue

A

Dense regular, dense irregular, elastic

27
Q

Function of dense irregular connective tissue

A

Able to withstand tension exerted in many directions; provides structural strength

28
Q

Location of dense irregular connective tissue

A

Fibrous capsules of organs and of joints; dermis of skin, submucosa of digestive tract

29
Q

Describe dense regular connective tissue

A

Collagen fibers are parallel with the pull, fibroblasts, poorly vascularized, forms fascia, no fat or defense cells

30
Q

Function of dense regular connective tissue

A

Attaches muscle to bone and bone to bone, withstands great stress in one direction

31
Q

Location of dense regular connective tissue

A

Tendons and ligaments, aponeuroses, fascia around muscles

32
Q

Function of elastic connective tissue

A

Allows recoils of tissue following stretching, maintains pulsatile flow of blood, aids passive recoil of lungs following inspiration

33
Q

Location of elastic connective tissue

A

Walls of large arteries, in certain ligaments of vertebral column, within walls of bronchial tubes

34
Q

Name 3 types of cartilage

A

Hyaline, elastic, fibrocartilage

35
Q

Function of hyaline cartilage

A

Supports and reinforces, serves and resilient cushion, resists compressive stress

36
Q

Location of hyaline cartilage

A

Forms most of the embryonic skeleton, covers ends of long bones in joint cavities, forms costal cartilages of ribs, cartilages of nose, trachea and larynx

37
Q

Function of elastic cartilage

A

Maintains shape of a structure while allowing great flexibility

38
Q

Location of elastic cartilage

A

Supports external ear, epiglottis

39
Q

Function of fibrocartilage

A

Tensile strength with ability to absorb compressive shock

40
Q

Location of fibrocartilage

A

Intervertebral discs, pubic symphysis, discs of knee joint

41
Q

What does bone matrix contain?

A

inorganic calcium salts and abundance of collagen fibers

42
Q

T/F Bone tissue is not well vascularized

A

False

43
Q

Function of bone tissue

A

Protects and supports organs, provides levers and attachment site for muscles, stores calcium and other minerals, stores fat, marrow is site for blood cell formation

44
Q

What does blood tissue develop from?

A

Mesenchyme

45
Q

What does an atypical connective tissue mean?

A

The matrix is not produced by cells

46
Q

Example of atypical connective tissue

A

Blood tissue

47
Q

Function of blood tissue

A

Transport respiratory gases, nutrients, wastes, and other substances

Anatomy (8 decks)

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