Tissues

Question 1

What are the 4 types of tissues?

Answer 1

Connective
Epithelial
Nerve
Muscle

Question 2

What is the function of epithelial tissue?

Answer 2

Protection
Absorption
Diffusion
Gland formation

Question 3

Where does the epithelial Tissue lie?

Answer 3

Basement membrane

Question 4

Which Tissue has lot of cells?

Answer 4

Epithelial

Question 5

What determines how leaky a membrane is?

Answer 5

The content of the basement membrane

Question 6

What has alot of CAM?

Answer 6

Epithelial

Question 7

What Tissue has few cells?

Answer 7

Connective Tissue

Question 8

Describe the content of connective tissue?

Answer 8

Space filled with fibres ground substance and fluid

Question 9

What is the purpose of connective tissue?

Answer 9

Support and connect

Question 10

How does muscle tissue look?

Answer 10

Spindle shaped thin cells
Cytoplasm with lots of contractile protein

Question 11

How does neuronal tissue look like?

Answer 11

Angular shaped neurones with prominent nucleoli
Surrounded by satellite cells

Question 12

What is the purpose of nervous tissue?

Answer 12

Receives, generates and transmits electrical impulses.
Integrates information

Question 13

What are the types of epithelium?

Answer 13

Squamous
Cubodial
Columnar
Stratified
Pseudostratified
Transitional

Question 14

Where are simple columnar cells found?

Answer 14

Gut and ovary

Question 15

Where are stratified columnar cells found?

Answer 15

Glands

Question 16

Where is single epithelial cells found?

Answer 16

Blood vessels

Question 17

Where are stratified squamous epithelium?

Answer 17

Skin

Question 18

Where are pseudostratified columnar cells found?

Answer 18

Respiratory tract

Question 19

Where are transitional epithelial cells found?

Answer 19

Bladder

Question 20

Examples of cell surface specialisation

Answer 20

Cilia

Question 21

What are the types of connective tissue?

Answer 21

Dense regular
Dense irregular
Loose
Specialised

Question 22

Where is loose CT?

Answer 22

Beneath epithelial that cover tubes and cavities
Adipose Tissue is an example

Question 23

What is the purpose of loose connective tissue?

Answer 23

Site of immunological defense
Wbcs can move to CT form blood vessels

Question 24

How does loose CT look?

Answer 24

Messy with space ish

Question 25

What is dense irregular Tissue?

Answer 25

Thick collagen fibres in all directions

Question 26

Where is dense irregular Tissue found?

Answer 26

Skin dermis Digestive tract Capsuel of organs

Question 27

What is the function of dense irregular Tissue?

Answer 27

Able to withstand tension in many directions

Question 28

What 2 things can you see in dense Tissue?

Answer 28

Nuclei of fibroblasts Collagen fibres

Question 29

What is dense regular tissue?

Answer 29

Closely packed unidirectional collagen fibres Little vascularity

Question 30

Where is dense regular Tissue found?

Answer 30

Tendons and ligaments

Question 31

What is the function of dense regular connective tissue?

Answer 31

Attachment of muscles and bones Withstand tensile strength when pulled in 1 direction

Question 32

What does ECM contain?

Answer 32

Fibres Ground substance Tissue fluid

Question 33

Whay fibres are present in connective tissue?

Answer 33

Collagen Reticular Elastic

Question 34

Where is elastic fibre found?

Answer 34

Aorta

Question 35

Where is reticular fibre found?

Answer 35

Lymph nodes

Question 36

Where eis collagen fibres found?

Answer 36

Tendons

Question 37

What are fixed (permanent) cells in ECM?

Answer 37

Fibroblasts Macrophages Adipocytes mast cells

Question 38

What are transient cells in connective tissue?

Answer 38

WBCs

Question 39

What do fibroblasts do?

Answer 39

Synthesis collagen and ECM

Question 40

What are the types of muscle cells?

Answer 40

Skeletal Cardiac Smooth

Question 41

What do skeletal muscle have?

Answer 41

Lots of contractile protein Multinucleated Striated Voluntary Peripheral nuclei

Question 42

What do cardiac muscle have?

Answer 42

Involuntary Heart Single nucleated Intercalated discs Semi striated Branched Highly ordered

Question 43

What do smooth muscle have?

Answer 43

Muscle fibres Single nucleated Organs Involuntary Non Striated Randomly ordered

Question 44

What are the 4 main aprts of a nerve?

Answer 44

Axon Dendrites Cell body Terminals

Question 45

How are most glands formed?

Answer 45

Invagination of secretory epithelium into CT

Question 46

Structure wise What is the difference between experience and endocrine glands?

Answer 46

Exocrine remains in contact with epithelium by ducts so the epithelium makes a U shape (Stays connected to parent epithelium) Endocrine looses contact so it can be secreted into a blood vessel making an O shape

Question 47

Give an example of a unicellular galnd

Answer 47

Goblet cells

Question 48

What are globular glands called?

Answer 48

Acinar

Question 49

What are the 2 types of exocrine glands?

Answer 49

Serous and mucous

Question 50

What is the difference between Serous and mucous glands

Answer 50

Serous secretes watery enzyme rich scetrion Mucus is proteoglycan rich

Question 51

How to identify mucous secreting cells from serous ones?

Answer 51

Mucous ones have a paler staining with a peripheral nucleus Serous are darker with a central nucleus

Question 52

What are the methods of exocrine secretion?

Answer 52

Apocrine pinches off the cell Holocrine cell dies Merocrine secrets it out

Question 53

What are myoepithoial cells?

Answer 53

Epithelial cells with contractile tissue to help expel secretions from gland lumens