A/P Lab 1 Flashcards
what are the 4 types of tissues
epithelial
connective
muscle
nerve
What shape is a squamous cell?
thin and flat
What shape is a cuboidal cell
small boxes
what shape is a columnar cell
slender rectangles
what is another name for a single layered epithelium?
simple epithelium
what is another name for epithelium with several layers?
stratified epithelium
where is simple squamous epithelium located?
mesothelia lining of ventral body cavities; endothelia lining of heart and blood vessels; portions of kidney tubules; inner lining of cornea; alveoli of lungs
what is the function of simple squamous epithelium?
reduces friction; controls vessel permeability; performs absorption and secretion
where is simple cuboidal epithelium located?
glands; ducts; portions of kidney tubules; thyroid gland
what is the function of simple cuboidal epithelium?
limited protection, secretion, absorption
where is simple columnar epithelium located?
lining of stomach, intestine, gallbladder, uterine tubes, and collecting ducts of kidneys
where is stratified squamous epithelium located?
surface of skin; lining of mouth, throat, esophagus, rectum, anus, and vagina
what is the function of stratified squamous epithelium?
provides physical protection against abrasion, pathogens, and chemical attack
where is stratified cuboidal epithelium located?
lining of some ducts (rare)
what is the function of stratified cuboidal epithelium?
protection, secretion, absorption
where is stratified columnar epithelium located
small areas of pharynx, epiglottis, anus, mammary gland, salivary gland ducts, and urethra
what is the function of stratified columnar epithelium?
protection
where is transitional epithelium located?
urinary bladder; renal pelvis; ureters
what is the function of transitional epithelium?
permits expansion and recoil after stretching
where is pseudostratified ciliated columnar epithelium located?
lining of nasal cavity, trachea, and bronchi; portions of male reproductive tract
what is the function of pseudostratified ciliated columnar epithelium?
protection and secretion