Tissues

Question 1

Epithelial Tissue

Answer 1

-Sheet of cells that cover and line other tissues.
-Each epithelial cells contains an apical surface and basal surface.

Question 2

Apical Surface

Answer 2

faces the outside of structure

Question 3

Basal Surface

Answer 3

Faces the base layer

Question 4

Tight Junctions

Answer 4

-Fusion of layers, no leaks!
-Urinary bladder, digestive tract

Question 5

Desmosomes

Answer 5

-Mechanical interlocking, repeated tension, stretching
-skin, heart, uterus

Question 6

Gap Junctions

Answer 6

-Tubular proteins connect to allow exchange
-Intestinal epithelial cells, heart and smooth muscle

Question 7

Stratified epithelial tissue

Answer 7

mulitple layers

Question 8

Simple epithelial tissue

Answer 8

One layer

Question 9

Simple Squamous Epithelium

Answer 9

Found lining surfaces involved in the passage of either gas or liquid

Question 10

Simple Cuboidal Eipithelium

Answer 10

-Occurs in areas of the body where secretion and absorption take place
-Lining the renal tubules, kidney

Question 11

Simple Columnar Epithelium

Answer 11

• Found in many excretory ducts as well as in the digestive tract

Question 12

Simple Squamous Epithelium

Answer 12

Occurs in areas of the body subject to mechanical & chemical stresses

Question 13

Stratified Cuboidal Epithelium

Answer 13

Found primarily along large excretory ducts

Question 14

Stratified Columnar Epithelium

Answer 14

-Found only in select parts of the respiratory, digestive, reproductive systems & along some excretory ducts

Question 15

Transitional Epithelium

Answer 15

• Stratified epithelium with a basal layer of cuboidal or columnar cells.
  -Found in areas of body required to expand and contract

Question 16

Exocrine

Answer 16

Discharge secretions via ducts directy into local areas

Question 17

Endocrine

Answer 17

Glands that do not have ducts and secretions distrubuted throughout body
-Produce and secrete hormones into blood stream

Question 18

Goblet Cell

Answer 18

Found among columnar cells of the respiratory and digestive tracts and conjuctiva of eye

Question 19

Ground substance

Answer 19

-Cells exchange nutrients and waste with the bloodstream
-Serves as an effective obstacle for invading miicrooganisms

Question 20

Protein Fibres

Answer 20

-Collagen
-Elastin

Question 21

Cells (in connective tissue)§

Answer 21

-Fixed Cells: invloved in production and maintenance of the matrix
-Transient Cells: involved in the repair and protection of tissues

Question 22

Loose connective tissue:
-Areolar
-Adipose

Answer 22

Dense connective tissue:
-Dense regular
-Dense irregular
-Elastic

Question 23

Areolar (loose) connective tissue

Answer 23

Surrounds every organ, connects skin to muscle, envelopes blood vessels, nerves, and lymph nodes

Question 24

Adipose (loose) connective tissue

Answer 24

Acts as an energy storehouse and a thermal insulator

Question 25

Dense Regular Connective Tissue

Answer 25

Composed of tightly packed, parallel collagen fibres

Question 26

Tendons

Answer 26

Attatch bone to muscle

Question 27

Ligaments

Answer 27

Attach bone to bone

Question 28

Dense Irregular Connective tissue

Answer 28

Found in the dermis of the skin s and in the fibrous coverings of many organs

Question 29

Dense Elastic Connective Tissue

Answer 29

-Found in spaces between vertebrae and in areas of the body that require stretching
-Walls of artery, stomach, bronchi, bladder

Question 30

Specialised Connective Tissue

Answer 30

->Cartilage
- Hyaline cartilage
-Elastic cartilage
-Fibrocartilage
-> Bone
-> Blood

Question 31

Hyaline Cartilage

Answer 31

Most common type, found inbetween joints.

Question 32

Elastic Cartilage

Answer 32

Higher levels of elsatin, found in larync and pinna

Question 33

Fibrocartilage

Answer 33

Found in-between vertebrae

Question 34

Demosome junction

Answer 34

junction between epitheilial cells that allows tissues to stretch