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Flashcards in Chap 5 Deck (56):
1

Gap junction

Channels link cytoplasm of adjacent cells and allow ions and nutrients to move between them

2

Desmosome

Rivets or spot welds skin cells
Reinforced structural unit

3

Tight junction

Type of intercellular junction
The membranes of adjacent cells converge and fuse

4

Apical surface

Exposed to the outside or internally to an open space

5

Basement membrane

anchors epithelium to underlying connective tissue

6

Simple squamous epithelium

Single layer of thin, flattened cells that fit tightly together

7

Simple cuboidal

Single layer of cube shaped cells

8

Simple columnar

Single layer of elongated cells

9

Stratified squamous

Many layers of cells relatively thick
Cells at the surface are flattened
Outermost layer of skin

10

Stratified cuboidal

Two or three layers of cuboidal cells that form lining of a lumen
Lines ducts of glands

11

Stratified columnar

Several layers of cells
Superficial cells are elongated and basal layers are cube shaped

12

Pseudostratified columnar

Appear stratified or layered but are not
All reach basement membrane although some don't reach free surface

13

Endocrine

Glands that secrete their products into tissue fluid or blood

14

Exocrine

Glands that secrete products into ducts that open onto surfaces like skin or lining of digestive tract

15

Simple

Communicates with surface by means of a duct that does not branch before reaching the glandular cells of secretory portion

16

Compound

Has a duct that branches repeatedly before reaching the secretory portion

17

Tubular

Glands that consist of epithelial lines tubes

18

Alveolar

Those whose terminal portions form saclike dilations

19

Merocrine

Glands that release fluid products by exocytosis

20

Apocrine

Glands that lose small portions of their glandular cell bodies during secretion

21

Holocrine

Glands that release entire cells which then disintegrate and then liberate their secretions

22

Extracellular matrix

Composed of protein fivers and a ground substance
Between connective tissues

23

Ground substance

In extracellular matrix
Consists of nonfibrous proteins and other molecules and fluid
Binds, supports, and provides a medium that substances can be transferred between blood and cells of tissue

24

Fibroblasts

Large star shaped cells produce fibers by secreting proteins into extracellular matrix of connective tissue
Most common fixed cell in connective

25

Mast cells

Large and widely distributed connective tissues usually near blood vessels
Release heparin to prevent blood clotting
Release histamine that promotes reactions with inflammation and allergies

26

Macrophages

Originate as white blood cells
Attached to fibers but can detach and move
Carry phagocytosis
Clears foreign particles
Role in immunity

27

Collagen fibers

Think threads of protein collagen the major structural protein
Grouped in long parallel bundles and are flexible
Resist considerable pulling force

28

Elastic fibers

Springlike protein called elastin
Branch forming complex network of tissues
Weaker but elastic
Easily stretched and return to positions

29

Reticular fibers

Thin collagenous fibers
Highly branches and form delicate supporting networks

30

Areolar

Forms delicate, thin membranes
Binds skin to underlying organs and fills space between muscles

31

Adipose

Develops when certain cells store fat in droplets in their cytoplasm
Lies beneath skin, fills space between muscles
Around kidneys, behind eyeballs, surface of heart

32

Reticular connective tissue

Composed of thin collagenous fibers in three dimensional network
Provides organ framework
Liver, spleen, lymphatic

33

Dense regular

Many, closely packed, think collagenous fibers
Very strong enable tissues to withstand pulling forces
Binds tendons and ligaments
Poor blood supply

34

Dense irregular

Thinker, interwoven, randomly organized
Sustains tension from different directions
In dermis the inner skin layer

35

Elastic tissue

Yellow, elastic fibers in parallel strands or in branching networks
Attachments between bones of spinal column
Larger arteries and larger airways

36

Chondrocyte

Cartilage cells occupy small chambers called lacunae and are within extracellular matrix

37

Perichondrium

Encloses cartilaginous structure
Contains blood vessels
Give nutrients to Chondrocyte

38

Hyaline cartilage

Most common type of cartilage
Fine collagenous fibers
Looks like white glass
Ends of bones and soft part of nose, rings in respiratory passages
Important to development and growth of bones

39

Elastic cartilage

More flexible cartilage
Dense network of elastic fibers
External ears and parts of larynx

40

Fibrocartilage

Very tough tissue
Many collagenous fibers
Shock absorber
Form pads between individual bones of spinal column also in knees and pelvic

41

Adip-

Fat

42

Chondr-

Cartilage

43

Cyt-

Cell

44

Epi-

Upon, after, in addition

45

-glia

Glue

46

Hist-

Web, tissue

47

Hyal-

Resemblance to glass

48

Inter-

Among, between

49

Macr-

Large

50

Neur-

Nerve

51

Os-

Bone

52

Phag-

To eat

53

Pseud-

False

54

Squam-

Scale

55

Strat-

Layer

56

Stria-

Groove