Integumentary

Question 1

external covering of an animal

Answer 1

integument

Question 2

functions of the integumentary system

Answer 2

covering/protection from UV rays
secretion/excretion of substances
sensation
respiration (in frogs)
regulation of temp.

Question 3

invaginated epidermal cells with a segmented shape

Answer 3

chaetae

Question 4

what animal is chaetae found in?

Answer 4

annelids (ex: earthworms)

Question 5

describe the integument of invertebrates

Answer 5

smooth single-layered epidermal cells

Question 6

waxy, noncellular protective layer secreted by external epithelium

Answer 6

cuticle

Question 7

what is cuticle made of?

Answer 7

chitin

Question 8

what has thick and elastic cuticle?

Answer 8

rotifers

Question 9

what has thick and rigid cuticle?

Answer 9

arachnids and insect

Question 10

periodic molting/shedding of old cuticle

Answer 10

ecdyisis

Question 11

what goes through ecdyisis?

Answer 11

arthropods

Question 12

type of integument of corals and crabs

Answer 12

shell

Question 13

flattened integument, contains eggs and testes

Answer 13

tegument

Question 14

what type of animal has tegument?

Answer 14

tapeworms

Question 15

layers of the skin

Answer 15

epidermis
dermis
hypodermis

Question 16

skin that is thick and slimy, secretes cuticle

Answer 16

jawless fish (lamprey, hadfish)

Question 17

multilayered skin with mucous and sensory cells

Answer 17

cartilaginous fish (sharks)

Question 18

blood vessels and nerves embedded in dermis, has a sandpaper texture

Answer 18

denticles

Question 19

scales embedded in dermis in charge of mucous, poison production, secretion

Answer 19

bony fish (bangus, tilapia)

Question 20

used for recognition and warning signal

Answer 20

photophores

Question 21

keratinized skin (UV protection) and secretes mucous (prevent desiccation)

Answer 21

amphibians (frogs, toads)

Question 22

glands for respiration and escape from predation

Answer 22

mucous glands

Question 23

glands to escape predation

Answer 23

poison glands

Question 24

heavily keratinized, dry

lack epidermal glands, instead modify into thick scales and scutes

Answer 24

reptiles (turtle)

Question 25

upper turtle shell, a modified skeleton that supports SC

Answer 25

carapace

Question 26

lower turtle shell

Answer 26

plastron

Question 27

different types of epidermal, thick dermis, have hair & nails

Answer 27

mammals

Question 28

the term for horns, baleen plates, and scales in mammals

Answer 28

specialized keratinized derivatives

Question 29

the thinnest and thickest skin in the human body

Answer 29

eyelids (0.5 mm) palms & soles (6mm)

Question 30

parts of the epidermis

Answer 30

``` stratum corneum: sheds easily lucidum granulosum spinosum basale: constant cell division ```

Question 31

layers of the dermis

Answer 31

papillary | reticular

Question 32

consists of loose connective/skeletal muscles and adipose tissue

Answer 32

hypodermis

Question 33

types of epidermal cells

Answer 33

keratinocytes melanocytes langerhans cells: microbial antigens merkel cells: nerves

Question 34

sensory receptor for light touch

Answer 34

meissner's corpuscles

Question 35

sensory receptor for pressure

Answer 35

pacinian corpuscles

Question 36

sensory receptor for pain

Answer 36

nociceptor

Question 37

sensory receptor for temperature

Answer 37

thermoreceptors

Question 38

types of glands

Answer 38

sudoriferous: sweat sebacous: oil/sebum

Question 39

type of sudoriferous glands

Answer 39

merocrine | apocrine: odor