Ephitelial Tissue

Question 1

Epithelial Tissue Characteristics

Answer 1

Characteristics:

Closely packed cells with minimal extracellular material

forms continuous sheets

has polarity with apical and basal surface

regenerative

Question 2

Epithelial Tissue Function

Answer 2

Cover body surfaces, line body cavities, and form glands

function in protection, absorption, and filtration

Question 3

Epithelial Tissue Embryonic Origin

Answer 3

derived from ectoderm and endoderm; see types of epithelial tissue derive from mesoderm

Question 4

Four types of Epithelial Tissue

Answer 4

Simple squamous epithelium

stratified squamous epithelium

simple columnar epithelium

transitional epithelium

Question 5

Simple Squamous Epithelium

Answer 5

Found in lining of blood vessels and alveoli in lungs

Functions in diffusion and filtration

Question 6

Stratified squamous epithelium

Answer 6

found in skin, mouth, and esophagus

provides protection against abrasion

Question 7

simple columnar epithelium

Answer 7

found in the lining of the digestive tract

functions in absorption and secretion

Question 8

transitional epithelium

Answer 8

found in the urinary bladder

allows stretching to accommodate fluid