Lecture 2

Question 1

Tissues are a group of similar _____ that have what 2 things in common?

Answer 1

Cells;
1. embryonic origin
2. function

Question 2

What are the 4 basic kinds of tissues?

Answer 2

1. Epithelial Tissue
2. Connective Tissue
3. Muscle Tissue
4. Nerve Tissue

Question 3

The body tissue that covers the surfaces of the body, inside and out

Answer 3

Epithelial Tissue

Question 4

The body tissue that provides support for the body and connects all of its parts

Answer 4

Connective Tissue

Question 5

The body tissue that contracts, making body parts move, and generates heat

Answer 5

Muscle Tissue

Question 6

The body tissue that carries messages back and forth between the brain and every other part of the body

Answer 6

Nerve Tissue

Question 7

Which body tissue is able to detect changes both inside and outisde the body?

Answer 7

Nerve Tissue

Question 8

Which body tissue stores energy as fat?

Answer 8

Connective Tissue

Question 9

Which body tissue provides immunity?

Answer 9

Connective Tissue

Question 10

Describe the Cellularity of the Epithelial Tissue.

Answer 10

Many tighly packed cells and little amount of ECM.

Question 11

Cells at the base of an epithelial layer are attached to this

Answer 11

Basement Membrane

Question 12

What are the 2 layers that the basement membrane is composed of?

Answer 12

1. Basal Lamina
2. Reticular Lamina

Question 13

The Basal Lamina is secreted by what kind of cells?

Answer 13

Epithelial Cells

Question 14

The Basal Lamina consists mainly of what?

Answer 14

Glycoproteins

Question 15

The Reticular Lamina is composed of what network?

Answer 15

A network of fine Collagen Fibres

Question 16

The Reticular Lamina is secreted by what kind of cells?

Answer 16

Connective Tissue Cells

Question 17

In kidneys, the Basement Membrane participates in what function?

Answer 17

Blood Filtration

Question 18

What are the 3 main functions of The Basement Membrane?

Answer 18

1. Attachment and Support Epi cells
2. Forms surface for Epi Cells to use for migration
3. Restricts passage of large mol b/w Conn Tissue and Epi

Question 19

What are the 3 kinds of surfaces of an Epithelial Tissue?

Answer 19

1. Apical Surface (free surface, face up)
2. Basal Surface (lower, attach to Basement Memb)
3. Lateral Surface (in between each cell, connected to eachother)

Question 20

How do epithelial cells obtain nutrients?

Answer 20

Via diffusion, as they lack blood vessels

Question 21

What are the 2 ways in which the Epithelium are classified?

Answer 21

1. Arrangement
2. Shape

Question 22

What are the 3 types of Epithelial Arrangements?

Answer 22

1. Simple
2. Stratified
3. Pseudostratified

Question 23

What are the 4 types of Surface Epithelial Cell shapes?

Answer 23

1. Squamous
2. Cuboidal
3. Column
4. Transitional

Question 24

What are the 2 kinds of Epitelium?

Answer 24

1. Covering/Lining
2. Glandular

Question 25

Covering and Lining Epithelium line what kind of structures?

Answer 25

Blood Vessels, Ducts, Tracts

Question 26

Glandular Epithelium secrete what kind of structures?

Answer 26

Glands (thyroid, adrenal, sweat glands)

Question 27

Simple epithelial cell arrangement have functions such as what? (5)

Answer 27

1. Diffusion 2. Osmosis 3. Filtration 4. Filtration 5. Absorptio

Question 28

Simple epithelial cell arrangement looks like what?

Answer 28

A single layer of cells

Question 29

Pseudostratified epithelial cell arrangement looks like what?

Answer 29

Appear to be multiple layers due to a difference in cell height, but are really one layer.

Question 30

Stratified epithelial cell arrangement looks like what?

Answer 30

Multiple layers of cells

Question 31

Squamous epithelial cell shape looks like what?

Answer 31

flat and thin

Question 32

What are the 2 kinds of simple squamous epithelia?

Answer 32

1. Endothelium 2. Mesothelium

Question 33

What are the 2 kinds of simple columnar epithelia?

Answer 33

1. Non-Ciliated 2. Ciliated

Question 34

What are the 2 divisions of Epithelia?

Answer 34

1. Simple Epithelium 2. Stratified Epithelium

Question 35

Endothelium Simple Squamous Epithelial Tissue lines what systems? (2)

Answer 35

1. Cardiovascular 2. Lymphatic

Question 36

Mesothelium Simple Squamous Epithelial Tissue is found in what?

Answer 36

In Serous membrane (that lines body cavities)

Question 37

Simple Squamous Epithelium function

Answer 37

diffusion and filtration

Question 38

Epithelial Tissue overall function (3)

Answer 38

1. Acts as protective barrier 2. Absorption 3. Secretion

Question 39

Connective Tissue functions to.. (3)

Answer 39

1. Structural Support 2. Tissue Binding 3. Nutrient waste exchange

Question 40

What kind of structures is Connective Tissue known to form?

Answer 40

Tendons Ligaments Cartilage Bone Blood

Question 41

Which kind of tissue lacks blood vessels?

Answer 41

Epithelial Tissue

Question 42

Which kind of Tissue is tightly packed with cells, and has little ECM?

Answer 42

Epithelial Tissue

Question 43

Which kind of Tissue has an abundance of ECM and only few scattered cells?

Answer 43

Connective TIssue

Question 44

Which kind of Tissue has a significant network of blood vessels?

Answer 44

Connective Tissue

Question 45

The basement membrane layer closer to the connective tissue, is what?

Answer 45

Reticular Lamina

Question 46

The basement membrane layer closer to the epithelial cells is what?

Answer 46

Basal Lamina

Question 47

What is the specialized function of Glanduar Epithelium?

Answer 47

Secretion

Question 48

What are the 2 kinds of Glandular Epithelium?

Answer 48

Endocrine & Exocrine

Question 49

Endocrine Glandular Epithelium secretes what substances?

Answer 49

Hormones

Question 50

Exocrine glands secrete substances via what?

Answer 50

Ducts

Question 51

What are examples of Endocrine Glandular Epithelium? (3)

Answer 51

Pituitary, Thyroid, Adrenal Glands

Question 52

What are examples of Exocrine Glandular Epithelium? (3)

Answer 52

Sweat, oil, salivary glands

Question 53

Most Exocrine Glands are what kind of glands?

Answer 53

Multicellular Glands

Question 54

Multicellular Glands secrete into what?

Answer 54

Ducts

Question 55

What are the 3 structural classifications of Multicellular Glands?

Answer 55

1. Branched 2. Unbranched 3. Tubular / Acinar

Question 56

What are the 3 Modes of Glandular Secretion?

Answer 56

1. Merocrine 2. Apocrine 3. Holocrine

Question 57

Of the various modes of glandular secretion, which is the most common?

Answer 57

Merocrine

Question 58

How does the Apocrine Exocrine Gland cells release products?

Answer 58

Upper part of cell pinches off and dies, releasing products

Question 59

How does the Holocrine Exocrine Gland cells release products?

Answer 59

The whole cell dies and ruptures, releasing products

Question 60

How does the Merocrine Exocrine Gland cell release products?

Answer 60

The cell undergoes exocytosis to release product