Epithelial Cells (Shapes, Arrangements, Combinations and Purposes)

Question 1

Simple arrangements of epithelial cells consist of how many layers of cells?

Answer 1

One

Question 2

Stratified arrangements of epithelial cells consist of how many layers of cells?

Answer 2

Two or more

Question 3

Pseudostratified arrangements of epithelial cells consist of how many layers of cells?

Answer 3

One, but they look like they have more

Question 4

Squamous epithelial cells are what shape?

Answer 4

Flat and thin

Question 5

Flat and thin squamous epithelial cells help with what?

Answer 5

Diffusion

Question 6

Cuboidal epithelial cells are what shape?

Answer 6

Cuboidal, Equally tall and wide

Question 7

Cuboidal shaped epithelial cells help with what?

Answer 7

Secretion and absorption

Question 8

Columnar epithelial cells are what shape?

Answer 8

Columnar, taller than they are wide

Question 9

Columnar shaped epithelial cells help with what?

Answer 9

Secretion and absorption

Question 10

Transitional epithelial cell formations are in what arrangement?

Answer 10

Stratified

Question 11

Transitional epithelial cell formations can do what with their shape?

Answer 11

Change their shape and stretch (as can be found in the urinary bladder)

Question 12

How do simple squamous epithelium formations look?

Answer 12

Thin, flat and irregular, like fried eggs or paving stones

Question 13

Where are simple squamous epithelium formations found?

Answer 13

Where there is filtration, diffusion, secretion or where slippery surfaces are needed.

Question 14

What do mesothelium simple squamous epithelium formations line?

Answer 14

Cavities such as the pericardial cavity, pleural cavity and peritoneal cavity

Question 15

What do endothelium simple squamous epithelium formations line?

Answer 15

The inside of the heart and blood and lymphatic vessels

Question 16

How do simple cuboidal epithelium formations look?

Answer 16

Cuboidal or hexagonal boxes

Question 17

What is the distance between adjacent nuclei in simple cuboidal epithelium formations?

Answer 17

Approximately the same as the height of the epithelium

Question 18

What are simple cuboidal epithelium formations good for?

Answer 18

Secretion and Absorption

Question 19

How do simple columnar epithelium formations look?

Answer 19

Often hexagonal, with taller and more slender cells.

Question 20

In relation to the distance between nuclei, how tall are the epithelial cells in simple columnar epithelium formations?

Answer 20

Several times taller than the distance between nuclei

Question 21

Are there more organelles in cells within columnar epithelium than squamous or cuboidal epithelium?

Answer 21

Yes, because they are longer and contain more cytoplasm

Question 22

Are columnar cells more, less or just as metabolically active as squamous cells?

Answer 22

More

Question 23

Can non-ciliated simple columnar epithelium have microvilli?

Answer 23

Yes, on the apical surface of the cell

Question 24

Can non-ciliated simple columnar epithelium formations have goblet cells?

Answer 24

Yes, though interspersed

Question 25

Can ciliated simple columnar epithelium formations have microvilli?

Answer 25

No, because they have cilia instead

Question 26

Can ciliated simple columnar epithelium formations have goblet cells?

Answer 26

Yes

Question 27

In stratified squamous epithelium formations, cells further from the basement membrane are ___ and ___ ___

Answer 27

In stratified squamous epithelium formations, cells further from the basement membrane are thinner and less active

Question 28

In stratified squamous epithelium formations, cells closer to the basement membrane may appear to be in which shapes?

Answer 28

Cuboidal or Columnar

Question 29

Where are stratified squamous epithelium formations located?

Answer 29

In areas where mechanical or chemical stresses are severe

Question 30

Stratified squamous epithelium formations can protect against what?

Answer 30

Microbes

Question 31

Apical cells in stratified squamous epithelium formations in places where mechanical stress and dehydration are major issues are packed with what?

Answer 31

Keratin

Question 32

Keratinised apical cells in stratified squamous epithelium formations allow the formation to be ___ and ___

Answer 32

tough and waterproof

Question 33

Keratinised stratified squamous epithelium formations are found where?

Answer 33

The skin

Question 34

Non-keratinised stratified squamous epithelium formations are found where?

Answer 34

Throat, Mouth, Tongue,

Question 35

Do all the cells in pseudo-stratified columnar epithelium formations connect to the basement membrane?

Answer 35

Yes

Question 36

Do all the cells in pseudo-stratified columnar epithelium formations reach the apical surface of the tissue?

Answer 36

No

Question 37

Can pseudo-stratified ciliated columnar epithelium have goblet cells?

Answer 37

Yes

Question 38

What is the purpose of pseudo-stratified ciliated columnar epithelium formations?

Answer 38

To secrete mucus out of goblet cells and move it

Question 39

Can pseudo-stratified non-ciliated columnar epithelium have goblet cells?

Answer 39

No

Question 40

What is the purpose of pseudo-stratified non-ciliated columnar epithelium formations?

Answer 40

For absorption and protection

Question 41

Where can glands be found secreting substances into?

Answer 41

Into ducts, onto surfaces and into blood

Question 42

Glands can consist of how many cells?

Answer 42

At least one, but can be more

Question 43

Exocrine glands secrete substances where?

Answer 43

Into ducts that empty onto a surface, covering or lining epithelium

Question 44

What are some examples of exocrine glands?

Answer 44

Sweat, salivary, oil and wax glands as well as the pancreas

Question 45

The effects of exocrine glands are relatively local or distant to the gland?

Answer 45

Local

Question 46

Endocrine glands secrete substances where?

Answer 46

Directly into the blood through interstitial fluid

Question 47

What are some examples of endocrine glands?

Answer 47

Pituitary, Pineal, Thyroid and Parathyroid glands

Question 48

The effects of endocrine glands are relatively local or distant to the gland?

Answer 48

Distant

Question 49

What do microvilli do?

Answer 49

Increase the cell surface area

Question 50

What do cilia do?

Answer 50

Move material across the surface of the cell

Question 51

One tubular portion for a duct is a ___ exocrine gland

Answer 51

Simple Tubular

Question 52

Several tubular secretory portions for a duct is a ___ exocrine gland

Answer 52

Simple branched tubular

Question 53

A coiled secretory portion for a duct is a ___ exocrine gland

Answer 53

Simple coiled tubular

Question 54

One bulbous secretory portion for a duct is a ___ exocrine gland

Answer 54

Simple acinar

Question 55

Several bulbous secretory portions for a duct is a ___ exocrine gland

Answer 55

Simple branched acinar

Question 56

Multiple simple branched tubular secretory portions for a duct is a ___ exocrine gland

Answer 56

Compound tubular

Question 57

Multiple simple branched acinar secretory portions for a duct is a ___ exocrine gland

Answer 57

Compound acinar

Question 58

Multiple simple branched tubular and acinar secretory portions for a duct is a ___ exocrine gland

Answer 58

Compound tubuloalveolar