Epithelia and Glands Flashcards
Where is simple squamous epithelia found?
- lining of blood vessels
- lining of body cavities
- gas exchange epithelia
- Bowmans capsule
- Loop of Henle
Where is simple cuboidal epithelia found?
- thyroid follicles
- small ducts of many exocrine glands
- kidney tubules
- surface of ovary
Where is simple columnar epithelia found?
- stomach lining
- gastric glands
- small intestine
- colon
- gall bladder
- large exocrine ducts
- oviducts
- uterus
- ductus deferens of testis
Where is pseudostratified epithelia found?
- lining of nasal cavity
- trachea
- bronchi
- epididymis
- ductus deferens
- auditory tube
- part of tympanic cavity
- lacrimal sac
- large exocrine ducts
Where is stratified (non-keratinised) squamous epithelia found?
- oral cavity
- oesophagus
- larynx
- vagina
- part of anal canal
- surface of cornea
- inner surface of eyelid
Where is transitional epithelia found?
- renal calyces
- bladder
- ureter
- urethra
What are the four layers of stratified squamous keratinised epithelium?
Stratum basale
Stratum spinosum
Stratum granulosum
Stratum corneum
What is a gland?
epithelial cell or collection of cells specialised for secretion
Where are simple tubular glands found?
intestinal
Where are coiled tubular glands found?
merocrine sweat glands
Where are simple acinar glands found?
not in adults
Where are simple branched tubular glands found?
oesophagus
Where are simple branched acinar glands found?
sebaceous glands
What is the difference between merocrine, apocrine and holocrine secretion?
merocrine- exocytosis
apocrine- droplets covered in plasmalemma
holocrine- whole cell discharged
