Chapter 4 Part 2 Flashcards Preview

Anatomy > Chapter 4 Part 2 > Flashcards

Flashcards in Chapter 4 Part 2 Deck (47):
1

What are the four main classes of connective tissue?

Connective tissue proper, cartilage, bone tissue, blood

2

What are four functions of connective tissues

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

3

What is extracellular matrix composed of?

Ground substance and fibers

4

Fibroblasts

In connective tissue proper, make protein subunits, produce fibers

5

Chondroblasts

Secrete matrix in cartilage

6

Osteoblasts

Secrete matrix in bone

7

Blast vs cyte

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

8

What does areolar connective tissue contain?

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

9

What are three types of fibers?

Collagen, reticular, elastic

10

Function of Collagen fibers

Strongest, resist tension

11

Function of reticular fibers

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

12

Function of elastic fibers

Contain elastin that recoils after stretching

13

How is ground substance produced?

By the primary cell type of the tissue

14

Function of ground substance

Cushions and protects body structures, holds tissue fluid

15

4 connective tissue classes

Connective tissue proper, cartilage, bone tissue, blood

16

Subclasses of connective tissue proper

Loose connective tissue and dense connective tissue

17

Areolar connective tissue

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

18

Function of connective tissues

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

19

Function of areolar connective tissue

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

20

Where is areolar connective tissue found?

Under epithelia, packages organs, surrounds capillaries

21

Function of adipose connective tissue

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

22

Location of adipose connective tissue

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

23

Function of reticular connective tissue

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

24

Location of reticular connective tissue

Lymphoid organs; lymph nodes, bone marrow, spleen

25

3 types of loose connective tissue

Reticular, adipose, areolar

26

3 types of dense connective tissue

Dense regular, dense irregular, elastic

27

Function of dense irregular connective tissue

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

28

Location of dense irregular connective tissue

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

29

Describe dense regular connective tissue

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

30

Function of dense regular connective tissue

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

31

Location of dense regular connective tissue

Tendons and ligaments, aponeuroses, fascia around muscles

32

Function of elastic connective tissue

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

33

Location of elastic connective tissue

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

34

Name 3 types of cartilage

Hyaline, elastic, fibrocartilage

35

Function of hyaline cartilage

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

36

Location of hyaline cartilage

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

Function of elastic cartilage

Maintains shape of a structure while allowing great flexibility

38

Location of elastic cartilage

Supports external ear, epiglottis

39

Function of fibrocartilage

Tensile strength with ability to absorb compressive shock

40

Location of fibrocartilage

Intervertebral discs, pubic symphysis, discs of knee joint

41

What does bone matrix contain?

inorganic calcium salts and abundance of collagen fibers

42

T/F Bone tissue is not well vascularized

False

43

Function of bone tissue

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

What does blood tissue develop from?

Mesenchyme

45

What does an atypical connective tissue mean?

The matrix is not produced by cells

46

Example of atypical connective tissue

Blood tissue

47

Function of blood tissue

Transport respiratory gases, nutrients, wastes, and other substances