Epithelium

Question 1

T/F: Epithelial layers are avascular

Answer 1

true

Question 2

embryological origin of epithelium

Answer 2

ectoderm, mesoderm, endoderm

Question 3

membrane extensions for motility

Answer 3

cilia

Question 4

membrane extensions for absorption

Answer 4

microvili

Question 5

nonmotile extensions found lining epididymis

Answer 5

stereocilia

Question 6

epithelial tissues whose cells are organized in membranous layers that cover the external surfaces or line cavities of the body

Answer 6

covering/lining epithelium

Question 7

sites where transitional epithelium can be found

Answer 7

urinary bladder, ureters

Question 8

site where pseudostratified epithelium can be found

Answer 8

trachea, bronchi

Question 9

formed of cells specialized in producing a secretion that differs in composition from blood or from intercellular fluid

Answer 9

glandular epithelium

Question 10

consists of isolated glandular cells (eg. goblet cells)

Answer 10

unicellular gland

Question 11

glands with ducts

Answer 11

exocrine gland

Question 12

glands without ducts, secrete product into bloodstream

Answer 12

endocrine gland

Question 13

glands which release products onto adjacent cells

Answer 13

paracrine

Question 14

secretions released through cell membrane; cell remains intact

Answer 14

merocrine

Question 15

secretion involves loss of part of the apical cytoplasm

Answer 15

apocrine

Question 16

secretion involves loss of entire cell

Answer 16

holocrine

Question 17

ovaries and testes are examples of _____glands

Answer 17

cytogenic