Chapter 5 (end) and Chapter 6

Question 1

another name for skin

Answer 1

integument

Question 2

makes basal lamina

Answer 2

superficial epidermis

Question 3

makes reticular lamina

Answer 3

deeper dermis

Question 4

two layers that make up the integument

Answer 4

epidermis and dermis

Question 5

three potential reasons for mucus secretion in fish and amphibians

Answer 5

aid in swimming
keep friction down
some protection

Question 6

keratinized or cornified layer

Answer 6

stratum corneum

Question 7

basal layer of stem cells and produces keratinocytes

Answer 7

stratum basal

Question 8

the integument of fish are

Answer 8

non-keratinized and mucus covered

Question 9

use alarm substances when the integument is compromised, no benefit to the individual but instead to other like species in the area

Answer 9

club cells

Question 10

two types of mucus secreting cells in fish integument

Answer 10

granular and goblet cells

Question 11

what kind of scales to chondrichthyian fish have

Answer 11

placoid scales

Question 12

three parts of placoid scale

Answer 12

enamel tip
dentin underneath
pulp cavity

Question 13

enamel tip is

Answer 13

of epidermis origin

Question 14

dentin is

Answer 14

of dermis origin

Question 15

bony fish have two layers of dermis

Answer 15

superficial loose and deep dense fibrous connective tissue

Question 16

type of scale sarcopterygians have

Answer 16

cosmoid scales

Question 17

what makes up cosmoid scales

Answer 17

thin enamel over dentin over bone

Question 18

scales primitive actinopterygians have

Answer 18

ganoid scales

Question 19

what makes up ganoid scales

Answer 19

thick enamel over bone

Question 20

two types of scales teleost fish can have

Answer 20

cycloid or ctenoid

Question 21

what is the make up of teleost scales

Answer 21

loss of enamel, dentin, and vascular bone, so just lamellar bone

Question 22

growth rings on teleost fish scales

Answer 22

circuli

Question 23

integument adaptations for life on land

Answer 23

keratinization of epidermis and multicellular glands

Question 24

secretory cells of larval salamanders that contain defensive chemicals

Answer 24

leydig cells

Question 25

in frogs and salamanders there are two types of multicellular glands in the integument

Answer 25

mucus and poison glands

Question 26

adaptations to reptile integument

Answer 26

increased keratinization and fewer glands

Question 27

scales of reptiles

Answer 27

epidermal scales= folded cornified epithelium

Question 28

junction between scales in reptile integument

Answer 28

hinge

Question 29

plates under epiderm scales

Answer 29

osteoderms

Question 30

sloughing off of sections of cornified epidermis

Answer 30

molting

Question 31

what happens during molting

Answer 31

a duplication of s. granulosum and s. corneum

Question 32

layer inbetween new and old skin

Answer 32

s. intermedium

Question 33

what promotes separation when molting

Answer 33

white blood cells

Question 34

gland at the base of tail in birds what has lipid/protein secretion for preening of feathers

Answer 34

uropygial gland

Question 35

gland in the head of marine birds that allows for salt secretion

Answer 35

salt gland

Question 36

4 characteristics of feathers

Answer 36

birds only develop from feather follicles (invaginations of epidermis) seasonal/annual molting and re-growth dermal muscles to move feathers

Question 37

aerodynamic flight feathers

Answer 37

contour feathers

Question 38

thermoregulation feathers

Answer 38

down feathers

Question 39

feathers for display

Answer 39

filoplumes

Question 40

immune cells found in the s. spinosum of mammal integuments

Answer 40

langerhan cells

Question 41

mechanoreceptor cells found in the s. basal of mammal integuments

Answer 41

merkel cells

Question 42

two layers of mammal dermis

Answer 42

superficial papillary dermis | deep reticular dermis

Question 43

dermal bones in mammals

Answer 43

some skull bones

Question 44

develops from invagination of epithelium cells in mammals

Answer 44

hair

Question 45

movement of hair

Answer 45

arrector pili muscle

Question 46

oil glands

Answer 46

sebaceous glands

Question 47

oil glands are usually associated with what

Answer 47

hair follicles

Question 48

sweat glands

Answer 48

sudoriferous glands

Question 49

thick secretion, associated with hair follicles become active during puberty for chemical signaling?

Answer 49

apocrine glands

Question 50

watery secretion, not associated with hair follicles

Answer 50

eccrine glands

Question 51

from apocrine glands for social communication

Answer 51

scent glands

Question 52

from sudoriferous glands for milk production

Answer 52

mammary glands