Classification of Epithelium Tissues

Question 1

What are the 4 types of tissues?

Answer 1

Epithelial, Connective, Muscle, and Nerve tissue

Question 2

How many layers does Simple Epithelia have?

Answer 2

one single cell layer

Question 3

How many layers does Stratified Epithelia have?

Answer 3

two or more cell layers

Question 4

Squamous cells are

Answer 4

flattened and scale-like

Question 5

Cuboidal cells are

Answer 5

boxlike

Question 6

Columnar cells are

Answer 6

tall and column shaped

Question 7

Answer 7

Simple Epithelia

Question 8

Answer 8

Stratisfied Epithelia

Question 9

Answer 9

Squamous Cells

Question 10

Answer 10

Cuboidal Cells

Question 11

Answer 11

Columnar Cells

Question 12

Name the Tissue

Answer 12

Simple Squamous Epithelium

Question 13

Endothelium lines _____ and _________ vessels.

Answer 13

blood, lymphatic

Question 14

Mesothelium lines ____ ________.

Answer 14

body cavities

Question 15

Name the Tissue:

• Location: tubules of kidneys, pancreas, thyroid, small glands, ovary
• Function: secretion, absorption

Answer 15

Simple Cuboidal Epithelium

Question 16

Name the Tissue

• Location: most of the digestive tract (stomach to anal canal), gall bladder, ducts of some glands, small bronchi, some parts of the uterus.
• Function: absorption, secretion, propels mucus/reproductive cells.

Answer 16

Simple Columnar Epithelium

Question 17

Does Simple Columnar Epithelium contain goblet cells?

Answer 17

Yes, it may contain it.

Question 18

Name the Tissue

-Location: ciliated type

*trachea/most of the upper respiratory tract

non-ciliated type

*sperm carrying ducts/some glands

-Function: secretion of mucus, propulsion of mucus through cilla

Answer 18

Pseudostratisfied Columnar Epithelium

Question 19

Does Pseudostratisfied Columnar Epithelium contain Cilia & Goblet Cells?

Answer 19

YES!

Question 20

Name the Tissue

-Location: Non-keratized type:

*skin, mouth, esophagus, vagina.

Keratinized type:

*epidermis of the skin

Function: protection against mechanical stress and abrasion.

Answer 20

Stratisfied Squamous Epithelium

Question 21

YES OR NO:

Is Stratisfied Squamous Epithelium non-keratinized?

Answer 21

YES!

Question 22

Name the Tissue

• Location: urinary bladder, ureters, urethra
• Function: streches readily and permits distention.

Answer 22

Transitional Epithelium

Question 23

Surface is toward a lumen (open space)

Answer 23

Apical

Question 24

Surfaces are toward other epithelial cells

Answer 24

Lateral

Question 25

Surface is toward the basement membrane

Answer 25

Basal

Question 26

Cells are tightly packed and attached by

Answer 26

cell juncitons, (tight junctions and desmosomes)

Question 27

Epithelial tissue is

Answer 27

avascular

Question 28

Does epithelial tissue lack a nervous system?

Answer 28

yes!

Question 29

Name the junction: A zip- lock seal intestines

Answer 29

Tight junctions

Question 30

Name the junctions: Velco seals holds cell together

Answer 30

Adherence junctions

Question 31

Name the Junctions: tunnel for larger molecules

Answer 31

Gap Junction

Question 32

Name the junctions: dots of Velco

Answer 32

Desmosomes

Question 33

Name the junctions: Welcro to basement membranes

Answer 33

Hemidesmosomes

Question 34

Name the Junction - Keep substances from passing between cells. - Line simple epithelia \*columnar epithelia in the intestine

Answer 34

Tight Junctions

Question 35

Name the Junction ## Footnote –Allow small molecules and ions to pass through to adjacent cells –Found in most epithelial cells \*Nerve and Cardiac cells

Answer 35

Gap junctions

Question 36

Name the Junctions: ## Footnote –Mechanical protein links which bind cells together in tissues subject to considerable stretching •Found in skin, heart, muscle, and uterus

Answer 36

Desmosomes

Question 37

Name the junction: ## Footnote -Mechanical protein links which bind cells to the basement membrane in most tissue

Answer 37

•Hemidesmosomes

Question 38

Name the junction: ## Footnote –Weak glycoprotein bonds which assist tight junctions in binding epithelial cells together

Answer 38

•Adherance Junctions

Question 39

Types of Glandular Epithelia 1. 2. 3. 4.

Answer 39

–Endocrine glands –Exocrine glands –Unicellular exocrine glands –Multicellular exocrine glands

Question 40

Name the gland (Grandular) ## Footnote –Ductless glands –Secrete hormones that travel through lymph or blood to target organs

Answer 40

Endocrine Glands

Question 41

Name the gland (GLandular) ## Footnote –More numerous than endocrine glands –Secrete products into ducts –Secretions released onto body surfaces (skin) or into body cavities –Examples include mucous, sweat, oil, and salivary glands

Answer 41

Exocrine Glands

Question 42

NAme the glands (GRadular) ## Footnote –Goblet cell (found in respiratory tract)

Answer 42

•Unicellular exocrine glands

Question 43

Name the glands (GRadular) ## Footnote –Are composed of a duct and a secretory unit –Classified according to: * Duct type (simple or compound) * Structure of their secretory units (tubular, alveolar, or tubuloalveolar)

Answer 43

•Multicellular exocrine glands