Epithelial Tissue

Front 1

What embryonic germ layer is epithelial tissue derived from?

Back 1

All three (ectoderm, mesoderm, endoderm)

Front 2

Epithelial tissue is characterized by ___________ packed cells with ___________ EM.

Back 2

Densely, little

Front 3

Epithelial tissue is found in ___________ , capillaries, endocardium and ___________ . It also forms the ___________ of glands.

Back 3

epidermis, parietal pleura, secretory

Front 4

What characteristics make epithelium different from other tissues?

Back 4

Polarity, cellular arrangement, avascular, basement membrane.

Front 5

Epithelial tissue is vascular/avascular.

Back 5

Avascular

Front 6

Epithelial cells are arranged in ___________ sheets. The extracellular material is found on the ___________ surface.

Back 6

Compacted, basal.

Front 7

Since there is/is no direct blood supply, nutrients arrive by ___________ from blood vessels in ___________ connective tissue. This occurs through the ___________ .

Back 7

Is no, diffusion, neighboring, basement membrane

Front 8

Thin, extracellular matrix on the basal surface of epithelial cells that binds them to the underlying tissues.

Back 8

Basement membrane

Front 9

The basal lamina is made up of type __ collagen.

Back 9

IV

Front 10

The lamina reticularis is made up of type __ collagen.

Back 10

III

Front 11

Flattened cells with flattened nuclei

Back 11

Squamous

Front 12

Cells as tall as they are wide with round nucleus in the center of the cell.

Back 12

Cuboidal

Front 13

Cells taller than they are wide with oblong nucleus generally located near the basal surface.

Back 13

Columnar

Front 14

If the epithelium is one layer thick, it is considered ___________ .

Back 14

Simple

Front 15

If the epithelium is more than one layer thick, it is called ___________ .

Back 15

Stratified

Front 16

___________ epithelial tissue appears to be more than one layer thick, but is really just one layer thick with all the cells touching the basement membrane. Not all cells reach the apical surface.

Back 16

Pseudostratified

Front 17

___________ epithelium allows distention. When it is relaxed, it looks like stratified cuboidal. When it is distended, it looks more like stratified squamous.

Back 17

Transitional epithelium

Front 18

The tell-tale sign of transitional epithelium is when the cytoplasm is/is not equally distributed around the nucleus.

Back 18

Is not

Front 19

Dome cells are found in ___________ epithelium. These cells have more cytoplasm near the ___________ surface.

Back 19

Transitional, apical

Front 20

These long, hair-like structures with a core of microtubules known as the axoneme transport substances along an epithelial surface.

Back 20

Cilia

Front 21

Cilia are found on the epithelium of the _____________, _____________ and _____________.

Back 21

Trachea, bronchii, oviducts

Front 22

These are non-motile, finger-like cytoplasmic projections that increase surface area for absorption and secretion.

Back 22

Microvilli

Front 23

Microvilli are located in the _____________ and _____________.

Back 23

Intestine and kidney

Front 24

Long microvilli that are non-motile located in the epididymus and the inner ear (sensory cells)

Back 24

Sterocilia

Front 25

Keratinized cells will/will not have a nucleus

Back 25

Will not

Front 26

Squamous epithelium can be _____________ or _____________.

Back 26

Keratinized or non-keratinized

Front 27

Moisture bearing layers such as the inside of your lips are always going to be _____________.

Back 27

Non-keratinized squamous cells

Front 28

Dry surface such as the epidermis will always be _____________ squamous cells.

Back 28

keratinized

Front 29

Unicellular glands that produce mucin

Back 29

Goblet cells

Front 30

Mucin is excreted through the_____________ surface of a _____________ cell.

Back 30

Apical, goblet

Front 31

Pseudostratified columnar epithelium with cilia and goblet cells is _____________ epithelium.

Back 31

Respiratory

Front 32

Endothelium is _____________ epithelium found along the inside of _____________ and the _____________.

Back 32

Simple squamous, blood vessels, heart

Front 33

Mesothelium is _____________ epithelium found lining body cavities such as the _____________ and the _____________.

Back 33

Simple squamous, parietal pleura, visceral peritoneum

Front 34

Transitional epithelium is found in the _____________.

Back 34

Urinary bladder

Front 35

Secretory cells that arise as ingrowths of the epithelium.

Back 35

Glandular epithelium

Front 36

Secretory cells of a gland are called _____________ and are separated from surrounding connective tissue and blood vessels by the _____________.

Back 36

Parenchyma, basement membrane.