Epithelium and Glands (PPT based)

Question 1

four basic types of tissues:

Answer 1

Nervous
Epithelial
Muscle
Connective

Question 2

What type of tissue:
Elongated cells with extremely fine processes

Answer 2

Nervous

Question 3

What type of tissue:
Aggregated polyhedral cells

Answer 3

Epithelial

Question 4

What type of tissue:
Elongated contractile cells

Answer 4

Muscle

Question 5

What type of tissue:
Several types of fixed and wandering cells

Answer 5

Connective

Question 6

The ECM of what type of tissue:
Very small amount

Answer 6

Nervous

Question 7

The ECM of what type of tissue:
Small amount

Answer 7

Epithelial

Question 8

The ECM of what type of tissue:
Moderate amount

Answer 8

Muscle

Question 9

The ECM of what type of tissue:
Abundant amount

Answer 9

Connective

Question 10

MAIN FUNCTIONS of what type of tissue:
Transmission of nerve impulses

Answer 10

Nervous

Question 11

MAIN FUNCTIONS of what type of tissue:
Lining of surface or body cavities, glandular secretion

Answer 11

Epithelial

Question 12

MAIN FUNCTIONS of what type of tissue:
Strong contraction; body movements

Answer 12

Muscle

Question 13

MAIN FUNCTIONS of what type of tissue:
Support and protection of tissues/organs

Answer 13

Connective

Question 14

The two forms of epithelium and glands:
Sheets of contiguous cells that _____ the body on its external surface and line the body on its internal surface

Answer 14

cover

Question 15

The two forms of epithelium and glands:
As _______, which originate from invaginated epithelial cells

Answer 15

glands

Question 16

oral and nasal mucosae, cornea, epidermis of the skin and the mammary glands

Answer 16

Ectoderm

Question 17

liver, pancreas, and the lining of the respiratory and gastrointestinal tract

Answer 17

Endoderm

Question 18

uriniferous tubules of the kidney, lining of the male and female reproductive systems, endothelial lining of the circulatory system, and the mesothelium of the body cavities

Answer 18

Mesoderm

Question 19

FUNCTIONS OF EPITHELIUM AND GLANDS:

Answer 19

Protection
Transcellular Transport
Secretion
Absorption
Selective permeability
Detection of sensations

Question 20

Avascular, tightly bound contiguous cells forming sheets covering or lining the body

Answer 20

EPITHELIUM

Question 21

separates the epithelium from the underlying connective tissue; via diffusion, nourishments and oxygen are passed from the adjacent connective tissue to the epithelium

Answer 21

Basal lamina

Question 22

What are the cell surface specializations of:
APICAL

Answer 22

Cilia
Microvilli
Stereocilia

Question 23

What are the cell surface specializations of:
BASAL

Answer 23

Basal lamina
Hemidesmosomes
Basal Plasma Membrane infoldings

Question 24

What are the cell surface specializations of:
LATERAL

Answer 24

Junctional Complex
Gap Junction
Lateral Interdigitations

Question 25

Under Junctional Complex:

Answer 25

Zonula occludens Zonula adherens Macula adherens

Question 26

Finger-like projections of epithelia that extent into the lumen

Answer 26

MICROVILLI

Question 27

Microvilli is characterized by a _______ on their exterior surface

Answer 27

glycocalyx (sugar coat)

Question 28

Bundle of 30 actin filaments

Answer 28

MICROVILLI

Question 29

It constitute the: - Brush border of kidney PCT - Striated border of intestinal absorptive cells

Answer 29

MICROVILLI

Question 30

Very long microvilli

Answer 30

STEREOCILIA

Question 31

Stereocilia is located in the

Answer 31

Epididymis and Vas deferens

Question 32

Actively motile processes

Answer 32

CILIA

Question 33

Propel substances along epithelial surfaces

Answer 33

CILIA

Question 34

Core of the longitudinally arranged microtubules (axoneme)

Answer 34

CILIA

Question 35

Arise from a basal body during ciliogenesis

Answer 35

CILIA

Question 36

Are specialized junctions for adhesion and communication between cells and in restricting movement of materials into and out of lumina

Answer 36

LATERAL SURFACES

Question 37

Junctional complex: joining of cells forming impermeable barrier

Answer 37

Occluding junctions

Question 38

Junctional complex: maintaining cell-to-cell adherence

Answer 38

Anchoring junctions

Question 39

Junctional complex: movement of ions and signaling molecules between cells

Answer 39

Communicating junctions

Question 40

Tight junction

Answer 40

Zonula occludens

Question 41

Zone around the entire apical parameter of adjacent cells formed by fusion of the outer leaflets of the plasma membrane

Answer 41

Zonula occludens

Question 42

Prevents movement of substances into the intercellular space

Answer 42

Zonula occludens

Question 43

Analogous to fascia occludens between endothelial cells

Answer 43

Zonula occludens

Question 44

Intermediate junction

Answer 44

Zonula adherens

Question 45

Assist adhering cells to adhere to each other

Answer 45

Zonula adherens

Question 46

Analogous to fascia adherens in intercalated disks

Answer 46

Zonula adherens

Question 47

Desmosome

Answer 47

Macula adherens

Question 48

Help to resist shearing forces

Answer 48

Macula adherens

Question 49

Small, discrete, disk-shaped adhesive site

Answer 49

Macula adherens

Question 50

Found at sites other than the junctional complex attaching epithelial cells together

Answer 50

Macula adherens