types of tissues (histology)

Question 1

what is histology?

Answer 1

study of tissues

Question 2

what are the 4 main tissue types?

Answer 2

1. epithelial
2. connective
3. muscular
4. nervous

Question 3

what is epithelial tissue?

Answer 3

first line of defense from physical, chemical, and biological damage

Question 4

what is connective tissue?

Answer 4

supports & connects all tissues can cells

Question 5

what is muscular tissue for?

Answer 5

movement

Question 6

what is nervous tissue for?

Answer 6

to control bodily functions

Question 7

where is epithelial tissue found?

Answer 7

covers the body parts that are exposed to the environment
ex: digestive tract

Question 8

what is the 1 thing epithelial tissue contains and 1 thing the tissue does not contain?

Answer 8

contain: nerves
does not contain: blood vessels

Question 9

how are there constantly new epithelial tissue?

Answer 9

regeneration

Question 10

what are the 5 types of epithelial tissue?

Answer 10

1. simple
2. stratified
3. pseudostratified
4. transitional
5. glandular

Question 11

what are the 3 types of simple epithelial tissue?

Answer 11

1. squamous
2. cuboidal
3. columnar

Question 12

what does “simple tissue” mean?

Answer 12

only 1 layer of cells for protection, absorption, and filtration

Question 13

what is simple squamous epithelial tissue and where is it found?

Answer 13

1 layer of horizontal rectangular tissue found in lymph vessels

Question 14

what is simple cuboidal epithelial tissue and where is it found?

Answer 14

1 layer of cube-like tissue found in the exocrine glands and kidneys

Question 15

what is simple columnar epithelial tissue and where is it found?

Answer 15

1 layer of vertical rectangular tissue found in the small & large intestines

Question 16

what is pseudostratified epithelial tissue and where is it found?

Answer 16

1 layer of cells that are different sizes and has cilia to block foreign particles found in the respiratory tract

Question 17

what is transitional epithelial tissue and where is it found?

Answer 17

1 layer of cells of different sizes which can stretch and return back to normal shape again found in the urinary bladder

Question 18

what are the 2 types of glandular epithelial tissue?

Answer 18

1. exocrine gland
2. endocrine gland

Question 19

what are the endocrine glands?

Answer 19

ductless glands which make hormones that are secreted into the blood

Question 20

what are exocrine glands?

Answer 20

duct glands that secrete fluid

Question 21

what are the 4 types of exocrine glands?

Answer 21

1. salivary
2. mammary
3. mucous
4. sweat

Question 22

what are salivary glands?

Answer 22

saliva that is secreted to aid in digestion

Question 23

what are mammary glands?

Answer 23

makes milk for babies

Question 24

what is mucous glands?

Answer 24

mucus is secreted to protect digestive & respiratory tract

Question 25

what is sweat glands?

Answer 25

regulates body temp

Question 26

what tissue is the most abundant in the body?

Answer 26

connective tissue

Question 27

what are the 6 functions of connective tissue?

Answer 27

1. binding 2. support 3. protection 4. storage 5. insulation 6. transportation

Question 28

what are the 5 types of connective tissue?

Answer 28

1. mesenchyme 2. bone 3. cartilage 4. dense connective 6. loose connective

Question 29

what type of tissue is the origin for all connective tissue?

Answer 29

mesenchyme

Question 30

where is mesenchym found?

Answer 30

embryo

Question 31

what are the 3 functions of osteocytes in bone tissue?

Answer 31

1. protect 2. support 3. mineral storage

Question 32

what are the 3 types of cartilage?

Answer 32

1. hyaline 2. elastic 3. fibrocartilage

Question 33

what are the 4 places hyaline cartilage is found?

Answer 33

1. end of long bones 2. nose 3. trachea 4. larynx

Question 34

what is the function of hyaline cartilage?

Answer 34

to cushion the joints

Question 35

what is the function of elastic cartilage?

Answer 35

to main shape and allow for flexibility

Question 36

where is the 2 places elastic cartilage found?

Answer 36

1. epiglottis 2. ear

Question 37

what is the function of fibrocartilage?

Answer 37

strength & absorption of compressive shock

Question 38

what are the 2 places fibrocartilage is found?

Answer 38

1. intervertebral discs (miniscus) 2. discs of knee joints

Question 39

what are the 2 types of dense connective tissue?

Answer 39

1. dense regular 2. dense irregular

Question 40

what is the difference between the functions of dense irregular and dense regular connective tissue?

Answer 40

dense regular tissue can only withstand tension going in one direction, whereas dense irregular tissue can withstand tension going in multiple directions

Question 41

where are the 2 places dense regular connective tissue located?

Answer 41

1. tendons 2. ligaments

Question 42

where are the 2 places dense irregular connective tissue is located?

Answer 42

1. dermis 2. digestive tract

Question 43

what are the 4 types of loose connective tissue?

Answer 43

1. areolar 2. adipose 3. blood 4. reticular

Question 44

what is the function of areolar tissue?

Answer 44

it wraps around organs to cushion it

Question 45

what type of cells is adipose tissue?

Answer 45

fat cells

Question 46

what are the 4 functions of adipose tissue?

Answer 46

1. provide energy 2. insulation 3. support 4. protection

Question 47

where are the 3 places adipose tissue is located?

Answer 47

1. under skin 2. kidney 3. around eyeballs

Question 48

what is the function of reticular tissue?

Answer 48

with the use of reticular fibers, it is the internal framework for organs and supports them

Question 49

where are the 3 places reticular tissue is found?

Answer 49

1. lymph nodes 2. bone 3. spleen

Question 50

what is the function of blood and where is it located?

Answer 50

to transport, in blood vessels

Question 51

what are the 3 types of muscle tissue?

Answer 51

1. smooth 2. cardiac 3. skeletal

Question 52

what does it mean when a tissue is striated?

Answer 52

that means there is a repeating pattern of lines within the tissue

Question 53

what of the 3 types of muscle tissue is striated?

Answer 53

skeletal and cardiac tissue is striated and smooth tissue is not striated

Question 54

where are skeletal muscles attached to?

Answer 54

attached to bones

Question 55

where is cardiac muscle located?

Answer 55

only in the heart

Question 56

to identify cardiac muscle tissue what should you look for?

Answer 56

intercalated discs

Question 57

where is smooth muscle tissue located?

Answer 57

walls of internal organs like digestive tract, urinary, uterus, blood vessels

Question 58

what does nervous tissue do?

Answer 58

control bodily functions

Question 59

what are the 2 cell types of nervous tissue?

Answer 59

1. neuron 2. supporting cells

Question 60

what are neurons?

Answer 60

conduct nerve impulses and communicate using neurotransmitters

Question 61

what are supporting cells?

Answer 61

protect the neurons and are non conducting

Question 62

what are epithelial membranes made of?

Answer 62

connective and epithelial tissue

Question 63

what are the 3 types of epithelial membranes?

Answer 63

1. cutaneous 2. mucous 3. serous

Question 64

what is cutaneous epithelial membrane made of?

Answer 64

made of keratinized stratified squamous epithelium

Question 65

where is cutaneous epithelial membrane located?

Answer 65

covers the entire body

Question 66

what is the function of mucous epithelial membrane?

Answer 66

wet, moist cells for absorption and secretion

Question 67

where is mucous epithelial membrane located?

Answer 67

lines cavities of digestive & respiratory tract

Question 68

what is mucous epithelial membrane made of?

Answer 68

stratified squamous, simple columnar, or pseudostratified

Question 69

where is the serous epithelial membrane located?

Answer 69

lines the pericardial, pleural, and abdominal cavities

Question 70

what is the serous epithelial membrane made of?

Answer 70

simple squamous epithelium and thin layers of loose connective tissue

Question 71

what are the 3 types of serous epithelial membrane?

Answer 71

1. visceral peritoneum 2. parietal peritoneum 3. serous fluid

Question 72

what is the visceral peritoneum?

Answer 72

membrane that is closest to the organ it surrounds

Question 73

what is parietal peritoneum?

Answer 73

membrane that is farthest from the organ it surrounds

Question 74

what is serous fluid?

Answer 74

fluid between visceral and parietal peritoneum and it provides lubrication to reduce friction