NBCE Part 1: General Anatomy

What is the purpose of Simple Squamous?

Air and fluid diffusion

Where is the simple squamous located?

Alveoli, capillaries, blood vessels, and lymph vessels.

What is the purpose of Stratified Squamous ?

Areas of high friction

Where is the stratified squamous located?

• Keratinized: skin (keeps the moister out)

• Non-keratinized: oral cavity, anal cavity, vagina, and esophagus

What is the purpose of the simple cuboidal?

secretion, protection, movement

Where is the simple cuboidal located?

Bronchioles, kidney tubules, secretory ducts of small glands (follicular cells of thyroid), choroid plexus (ependymal cells)

What is the purpose of the stratified cuboidal?

secretion

Where is the stratified cuboidal located?

sweat glands

What is the purpose of the transitional epithelium?

stretch/ expansion

Where is the transitional epithelium located?

urinary bladder, ureters, and urethra

What is the purpose of simple columnar?

absorption

Where is the simple columnar located?

stomach, intestines, digestive tract

What is the purpose of stratified columnar?

reproductive tract

Where is the stratified columnar located?

uterus

What is the purpose of pseudo-stratified ciliated columnar?

respiratory tract

Where is the pseudo-stratified ciliated columnar located?

Majority of pulmonary tract (nasal mucosa to terminal bronchus)

Macrophages cells: Dust cells are located in the

lungs

Macrophage Kupffer cells are located in the

liver

Macrophage Microglia cells are located in the

brain

Macrophage Langerhans cells are located in the

skin

Macrophage Osteoclast cells are located in the

bone

Epidermis layers of the skin (superior to inferior)

• striatum corneum

• striatum lucidum (only on soles of feet and palms of hands)

• striatum granulosum

• striatum spinosum

• striatum germinativum AKA basal layer (contains melanon)

Dermis layers of the skin: (superior to inferior)

• papillary dermis

• reticular dermis

• hypodermis (subcutaneous tissue/fascia)