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Anatomy of the Integumentary System: Structure and Functions of the Skin, Quizzes of Physiology

A comprehensive overview of the integumentary system, focusing on the structure and functions of the skin. Topics covered include the different layers of the skin (epidermis, dermis, and hypodermis), their components (keratin, melanocytes, merkel cells, and surface film), and various types of hair and glands. The document also discusses the functions of the skin, such as protection, sensation, and temperature regulation.

Typology: Quizzes

2013/2014

Uploaded on 05/22/2014

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TERM 1
integumentary system is made up of
DEFINITION 1
the skin and its appendages - including hair, nails, and
glands
TERM 2
epidermis is the
DEFINITION 2
thin, superficial epidermis
TERM 3
dermis
DEFINITION 3
deep and thicker
TERM 4
hypodermis filled with
DEFINITION 4
adipose and loose connective tissue
TERM 5
keratin
DEFINITION 5
a tough fibrous protein , the most important structural
element of hte outer skin
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Download Anatomy of the Integumentary System: Structure and Functions of the Skin and more Quizzes Physiology in PDF only on Docsity!

integumentary system is made up of

the skin and its appendages - including hair, nails, and

glands

TERM 2

epidermis is the

DEFINITION 2

thin, superficial epidermis

TERM 3

dermis

DEFINITION 3

deep and thicker

TERM 4

hypodermis filled with

DEFINITION 4

adipose and loose connective tissue

TERM 5

keratin

DEFINITION 5

a tough fibrous protein , the most important structural

element of hte outer skin

melanocytes

give our skin the color

TERM 7

what do melanocytes do

DEFINITION 7

they reduce the amount of potentially dangerous UV

radiation that would otherwise penetrate into the deeper

layers of our skin and cause cellular damage

TERM 8

merkel cells detect what

DEFINITION 8

light touch, receptors for light touch

TERM 9

surface film

DEFINITION 9

thin film coating the skin, made up of a mixture of sweat,

sebum, dead cells/fragments, various chemicals, protects the

skin

TERM 10

epidermis

DEFINITION 10

superficial primary layer of hte skin, made up of kertanized

stratified squamous epithelium

dermoepidermal junction

includes fibers and unique chemical gels; together with the

basement membrane cements or glues the superficial

epidermis to the dermis belowThe dermoepidermal junction

is the area of tissue that joins the epidermal and the dermal

layers of the skin.

TERM 17

dermis

DEFINITION 17

deep primary layer of the skin, made up of fibrous tissue,

includes some blood vessels, muscles and nerves

TERM 18

papillary layer

DEFINITION 18

loose fibrous tissue with collagenous and elastic fibers, forms

nipplelike bumps includes tactle corpuscles and other

sensory receptors

TERM 19

reticular layer

DEFINITION 19

tough network of collagenous dense irregular fibrous tissue

forms most of the dermis

TERM 20

hypodermis

DEFINITION 20

loose connective tissue and adipose tissue, under the skin

includes fibrous bands of skin, ligaments that strongly

connect the skin to underlying structures ,

Thin skin

most of our bodys surface is covered by thin skin

TERM 22

Thick skin

DEFINITION 22

hairless skin covering the palms of the hands, fingertips,

soles of the feet, and other body areas subject to friction

TERM 23

skin pigementation is regulated by

DEFINITION 23

density of root like projectionstransport different type of

melanosomesdistribute kelanocytes in the skin

TERM 24

beta carotine

DEFINITION 24

pigment essential for skin growth; stored in skin tissue and

then converted into vitamin A;

TERM 25

what are the functions of the skin

DEFINITION 25

protection - protection from dehydration, microrganisms,

ultraviolet light, mechanical traumasensation - pain, heat , cold,

pressure, touchpermits movement and growth without injury -

body growth and change in body countours during

movmentendocrine - vitamin D productionexcretion - water, urea,

ammonia, uric acidimmunity - destruction of microorganisms and

interaction with immune system cellstemperature regulation

cortex

more superficial portion around the hair

TERM 32

cuticle

DEFINITION 32

outer surface of the hair

TERM 33

eumelnin creates what hair

color

DEFINITION 33

many shades of blonde and brunette hair

TERM 34

pheomelanin

DEFINITION 34

gives hair a reddish tint

TERM 35

straight hair has what kind of shaft

DEFINITION 35

round, cylindrical shaft

wavy hair has what kind of shaft

flatter shaft that is not a strong

TERM 37

what does sebum do

DEFINITION 37

lubricates and conditions the hair and surrounding the skin

TERM 38

head hair lives between

DEFINITION 38

2 - 6 years

TERM 39

nail bed

DEFINITION 39

visible part of each nail

TERM 40

root

DEFINITION 40

lies in a flat sinus hidden by a fold of skin bordered by the

cuticle

sebaceous glands secrete

oil for the lubrication and maintenance of the hair and skin

TERM 47

ceruminous glands

DEFINITION 47

appear in the external ear canal, ear wax

TERM 48

what does the cerumen do

DEFINITION 48

protects the skin of the ear canal from pathogens, small

insects, and dehydration