Histology Words

Question 1

acidic dyes

Answer 1

net negative charge so reacts with positive- pink color - eosin

Question 2

basic dyes

Answer 2

net positive charge reacts with negative - blue color - hemotoxylin

Question 3

resolving power

Answer 3

ability of an optical system to produce separate images of closely positioned objects

Question 4

artifacts

Answer 4

imperfections in prep. ex - tears, folds, uneven stain

Question 5

tissues

Answer 5

aggregates or groups of cells organized to perform one or more functions

Question 6

four basic tissues

Answer 6

epithelial, connective, muscular, nervous

Question 7

epithelial functions

Answer 7

protection, absorption, secretion

Question 8

epithelial characteristic

Answer 8

1. closely adhered by cell junctions
2. have polarity - apical, lateral, and basal domains
3. lowest cells always attached by a basal surface to basement membrane

Question 9

simple epithilia

Answer 9

one cell layer thick

Question 10

stratified epithelia

Answer 10

more than one layer of cells

Question 11

pseudostratified epithelia

Answer 11

looks stratified, but all cells are on basement membrane

Question 12

squamous

Answer 12

flat

Question 13

cuboidal

Answer 13

height, width, and depth all equal

Question 14

columnar

Answer 14

height exceeds width

Question 15

apical (free) domain can have

Answer 15

microvili, cilia, stereocilia, primary cilium