Tissues Flashcards
Name
Simple Squamous epithelium
Characteristics
single row of flat cells
Location
Lung alveoli, blood vessel lining
Function
- rapid gas exchange
- present at sites of filtration or diffusion
Name
Simple cuboidal epithelium
Characteristics
single row of square cells
Location
- Kidney tubules
- Covers surface of the ovary
Function
absorption and secretion of substances in urine
Name
Simple columnar epithelium
Characteristics
Single row of tall cells
Location
stomach and intestines
Function
- Absorption of nutrients
- Secretion
Accessory feature + function
- Microvilli
- Increases surface area
Name
Pseudostratified columnar epithelium
Characteristics
looks like many rows, but all cells are attached to the basement membrane
Location
- trachea
- bronchi
Function
- Secretes mucus
- Traps particles in mucus and moves it upwards
Accessory feature + function
- Goblet cells- Secrete mucus
- Cilia- move mucus
Name
Stratified Squamous Epithelium
Characteristics
- many rows of flat cells
Location
- epidermis of skin (keratinized) , throat, vagina (non-keratinized)
Function
- Protects against abrasion and water loss
- First line of defense against microbes
Name
Transitional epithelium
Characteristics
dome shaped cells (when relaxed)
flat (when distended/stretched)