Histology (Distinguishing Features)

Question 1

Simple Squamous Epithelia

Answer 1

Layers: 1
Location: lung

Question 2

Stratified Squamous

Answer 2

Layers: 2 or more
Location: cornified skin, esophagus, vagina, anus

Question 3

Simple Cuboidal

Answer 3

Layers: 1
Location: Kidney tubules, thyroid follicles

Question 4

Stratified Cuboidal

Answer 4

Layers: 2 or 3
Location: salivary glands, sweat gland ducts

Question 5

Simple Columnar

Answer 5

Layers: 1
Location: jejunum, lines GI tract

Question 6

Stratified Columnar

Answer 6

Layers: 2-6
Location: large lumen of salivary glands, mammary glands, urethras and large excretory ducts

Question 7

Pseudostratified (ciliated) Columnar

Answer 7

Layers: only 1, appears as several due to levels of nuclei
Location: trachea, resp. passage ways

Question 8

Transitional (stratified) Columnar

Answer 8

Layers: 2-4 in full bladder, 6 or more in relaxed state
Location: lines urinary passage ways, not distal parts of urethra

Question 9

Smooth Muscle

Answer 9

Look: spindle, wavy
What: blood vessels, lines organs
Where: jejunum

Question 10

Skeletal Muscle

Answer 10

Look: multi-nucleated, striated, bundle of cells
What: Muscle tendon junction
Where: attached between bones

Question 11

Cardiac Muscle

Answer 11

Look: multi-nucleated, branched, striated