Human tissues Flashcards
(29 cards)
What are the two types of epithelial tissue?
Covering and lining epithelium, and glandular epithelium.
Is epithelial tissue vascular or avascular?
Avascular.
What are the two key characteristics of epithelial cells?
Arrangement in layers and shape of the cells.
Where is simple squamous epithelium found?
Heart lining, blood vessels, lungs (alveoli), Bowman’s capsule.
What is the function of simple squamous epithelium?
Filtration, diffusion, osmosis, secretion.
Where is simple cuboidal epithelium found?
Ovary surface, lens capsule, kidney tubules, thyroid.
What is the function of simple cuboidal epithelium?
Secretion and absorption.
What is a key feature of non-ciliated simple columnar epithelium?
Contains microvilli and goblet cells.
Where is ciliated simple columnar epithelium found?
Upper respiratory tract, uterine tubes, uterus.
What are the two types of stratified squamous epithelium?
Keratinized and non-keratinized.
Where is transitional epithelium found?
Urinary bladder, ureters, part of the urethra.
What is the function of transitional epithelium?
Permits distension/stretching.
What is the main function of pseudostratified columnar epithelium?
Secretion and movement of mucus.
Where is pseudostratified columnar epithelium found
ciliated - lined airways of URT
Non-ciliated - lines ducts of many glands
What is the difference between endocrine and exocrine glands?
Endocrine: secrete hormones into bloodstream; Exocrine: secrete into ducts.
What are the functions of connective tissue?
Bind, support, protect, transport, store energy, and immune defense.
Name the 3 types of loose connective tissue.
Areolar, adipose, and reticular.
What is the primary location of adipose tissue?
Subcutaneous layer, around heart and kidneys.
What is the function of reticular connective tissue?
Supports soft organs like spleen, liver, and lymph nodes.
What type of fibers dominate dense regular connective tissue?
Collagen fibers arranged in parallel bundles.
Where is elastic connective tissue found?
Lung tissue, elastic arteries, bronchial tubes.
What are the 3 types of cartilage?
Hyaline, elastic, and fibrocartilage.
What type of cartilage is most abundant in the body?
Hyaline cartilage.
Where is elastic cartilage found?
External ear, epiglottis, auditory tube.
