Histo - 4 Epithelial Tissue

Front 1

simple squamous epithelium that lines blood and lymphatic vessels

Back 1

endothelium

Front 2

capillaries consist of what type of epithelium?

Back 2

endothelium

Front 3

simple squamous epithelium that lines major body cavities and covers the free outside surfaces of organs

Back 3

mesothelium

Front 4

what type of epithelium is skin?

Back 4

stratified squamous keratinized

Front 5

stratified cells that vary in form with functional state of organ

Back 5

transitional epithelium

Front 6

relaxed state of bladder epithelium

Back 6

stratified columnar or stratified cuboidal

Front 7

stretched state of bladder epithelium

Back 7

stratified squamous

Front 8

cells that change shape in response to environmental stimuli

Back 8

metaplasia

Front 9

sheet where all epithelia rest
composed of 2 layers

Back 9

basement membrane

Front 10

reticular lamina

Back 10

type III collagen
produced by fibroblasts
continuous with underlying connective tissue, can be present in places like renal glomerulus

Front 11

basal lamina

Back 11

type IV collagen
produced by epithelium
basal surface of epithelial cells are attached by binding sites for GAGs such as laminin and heparin sulfate

Front 12

length of motile processes of cilia

Back 12

~10µm long

Front 13

type of arrangement of cilia in microtubules

Back 13

9 + 2 arrangement

Front 14

Coordinated movements of ______ help luminal transport of materials like mucus like in the trachea

Back 14

cilia

Front 15

motility of microvilli

Back 15

non-motile

Front 16

characteristics of microvilli

Back 16

~ 1µm, absorptive, have actin core, striated border of intestinal epithelium, brush border of kidney

Front 17

ultrastructurally identical to microvilli

Back 17

stereocilia

Front 18

location of stereocilia

Back 18

epididymis

Front 19

intercellular mechanical attachment (spot)

Back 19

desmosome

Front 20

intercellular mechanical attachment (belt)

Back 20

zonula adherens

Front 21

seen as darkly staining dots or lines near apical surface of adjoining epithelial cells in intestine

Back 21

terminal bar apparatus

Front 22

glad that secretes onto epithelial surface or into duct

Back 22

exocrine gland

Front 23

goblet cells in epithelium of intestine or respiratory tract are what type of gland?

Back 23

exocrine

Front 24

example of serous acini

Back 24

pancreas

Front 25

serous acini are what type of cells?

Back 25

pyramidal

Front 26

shape of nucleus of serous acini

Back 26

spherical

Front 27

secretions of serous acini

Back 27

proteinaceous thin, watery, and has enzymes

Front 28

swollen mucous cells have forced out serous cells leaving small remnants of cytoplasm between mucous cells; artifact of routine immersion fixation

Back 28

serous demilune

Front 29

squamous

Back 29

flattened scale-like cells (usually have flattened nucleus)

Front 30

cuboidal cells

Back 30

cells as tall as they are wide ("cube" with round nucleus)

Front 31

columnar

Back 31

cells taller by 2x than they are wide (nucleus oval, parallel to long axis of cell)

Front 32

sheets of sensory receptor cells, such as the olfactory epithelium and the retina

Back 32

neuroepithelium

Front 33

epithelium that gives rise to spermatazoa

Back 33

germinal epithelium

Front 34

what types of glands are salivary glands and the exocrine portion of the pancreas?

Back 34

multicellular exocrine

Front 35

grapelike cluster

Back 35

acinus

Front 36

modified epithelial cells specialized for contraction

Back 36

myoepithelium

Front 37

secretions released via exocytosis

Back 37

merocrine secretions

Front 38

what type of glands secrete in a merocrine fashion?

Back 38

common sweat glands or eccrine

Front 39

secretion where large droplets of product are released from the apical surface of the cell and membrane is pinched off

Back 39

apocrine secretion

Front 40

example of apocrine secretion

Back 40

lipid portion of milk

Front 41

type of secretion where the whole cell is secreted or destroyed in the process of secretion

Back 41

holocrine

Front 42

example of holocrine secretion

Back 42

sebaccous gland

Front 43

secrete hormones directly into bloodstream

Back 43

endocrine glands

Front 44

cells that contain secretory granules in their apical cytoplasm and discharge materials directly onto surface of epithelium

Back 44

goblet cells

Front 45

cluster of secreting cells that discharge into a duct

Back 45

acinous

Front 46

cells that contain secretory granules in their apical cytoplasm and discharge materials directly onto surface of epithelium

Back 46

goblet cells

Front 47

cluster of secreting cells that discharge into a duct

Back 47

acinous