Tissues

Question 1

What are tissues?

Answer 1

Collection of cells

Question 2

How are epithelial tissues classified?

Answer 2

By shape of cells and number of layers

Question 3

Epithelial tissues

Answer 3

arranged in sheets, bound together with little extracellular material (egg like)

Question 4

Simple Squamous Epithelium

Answer 4

Single, flat layer
found in lining of body cavity, air sacs

Question 5

Simple Cuboidal Epithelium

Answer 5

Single, thick layer
Found in kidney glands

Question 6

Simple Columnar Epithelium

Answer 6

Single, long layer (linear)
Found in digestive tract

Question 7

Pseudostratified Ciliated Columnar Epithelium

Answer 7

one long layer with imbedded cells (fake double layer)
found in respiratory tract (surrounded by cilia)

Question 8

Pseudostratified Columnar Epithelium

Answer 8

one long layer with imbedded cells (fake double layer)
found in male urethra

Question 9

Stratified Squamous Epithelium

Answer 9

Numerous layers of thick cells
found in lining of mouth and esophagus

Question 10

Transitional Epithelial

Answer 10

Layers of varying cell shapes (able to stretch)
Found in urinary bladder

Question 11

How do connective tissues appear?

Answer 11

cells spread out, suspended in gel with fibers surrounded by extracellular material

Question 12

How many major types of connective tissue are there?

Answer 12

2: Connective tissue proper and special connective tissue (blood, bone, cartilage)

Question 13

Areolar Connective

Answer 13

beneath skin and between muscles
spread apart by fibers (spiderweb)

Question 14

Dense Connective

Answer 14

white collagen in ligaments
very fibrous, no visible cells

Question 15

Reticular Connective

Answer 15

Various branched fibers surrounded by cells
found in lungs, liver, spleen

Question 16

Adipose Connective

Answer 16

Enlarged cells with nucleus in corner
fat cells found around heart and kidneys

Question 17

Bone Connective

Answer 17

tree stump look
found in skeleton

Question 18

Blood Connective

Answer 18

free flowing blood cells
found in heart and arteries

Question 19

Hyline Cartilage Connective

Answer 19

suspended cells with no visible fibers
found in nose tip

Question 20

Elastic Cartilage Connective

Answer 20

large 2 or 4 cells with visible fibers
found around ear

Question 21

Fibrocartilage Connective

Answer 21

fibrous with few cells suspended, looks like fur
found at meniscus

Question 22

Skeletal Muscle tissue

Answer 22

light and dark bands seen in long, cylindrical rows (tire track)
Found on top of bones

Question 23

Smooth Muscle tissue

Answer 23

long spindles (space travel?)
found in wall of blood vessels

Question 24

Cardiac Muscle Tissue

Answer 24

light and dark bands if long branched cells with more obvious nucleus
found around heart

Question 25

Nervous Tissue

Answer 25

large cell body with dendrites and axon branching out found in brain and nerves