Integumentary System

Question 1

Primary organ of the integumentary system and the largest organ of the body.

Answer 1

Skin

Question 2

Outer layer of the skin that is composed of stratified squamous epithelium and lacks blood vessels. It consist of 4 to 5 layers depending on the type of the skin.

Answer 2

Epidermis

Question 3

Inner layer of the skin that is thicker than the epidermis

Answer 3

Dermis

Question 4

It is a subcutaneous layer or superficial fascia, not a part of the skin but is often
studied along with skin

Answer 4

Hypodermis

Question 5

Has 5 layers that can be found on the palms of th hand and solee of the feet

Answer 5

Thick skin

Question 6

Has 4 layers that covers the most of the body

Answer 6

Thin skin

Question 7

The deepest layer attached to the basement of membrane

Answer 7

Stratum basale

Question 8

The other word for stratum basale

Answer 8

Stratum germinativum

Question 9

Is the most common cell that undergoes cell division

Answer 9

Keratinocyte

Question 10

Produces protein keratin that makes the skin almost water proof

Answer 10

Keratinocyte

Question 11

Scattered among the keratinocyte that produces pigment melanin

Answer 11

Melanocyte

Question 12

Pigment that is due to exposure in UV light

Answer 12

Melanin

Question 13

It serve as a touch receptor

Answer 13

Tactile cells

Question 14

Spinous/ prickle layer the appearance is due to shrinking or the microfilaments between desmosomes

Answer 14

Stratum spinosum

Question 15

Is the granular layer where keratinization process begin

Answer 15

Stratum granulosum

Question 16

It is only found on thick skin, comes from the fact that it is translucent, allowing light to pass through

Answer 16

Stratum lucidum

Question 17

A superficial layer, consist of dead squamous cell filled with keratin

Answer 17

Stratum corneum

Question 18

An abnormal thickening of the stratum corneum

Answer 18

Callus

Question 19

Other word of nipples

Answer 19

Dermal pipilae

Question 20

Where hair arises, an extension of the epidermis that originates deep
in the dermis)

Answer 20

Hair follicle

Question 21

Where hair arises, an extension of the epidermis that originates deep
in the dermis)

Answer 21

Hair follicle

Question 22

The hair protrudes
above the surface of the skin

Answer 22

Hair shaft

Question 23

Part of the hair that are below the surface

Answer 23

Root and hair bulb

Question 24

A hard layer that
surrounds the medulla

Answer 24

Cortex

Question 25

Soft center of the hair

Answer 25

Medulla

Question 26

A single layer of over-lapping cells that covers the cortex

Answer 26

Cuticle

Question 27

Are smooth muscle cells that Contracts causing the hair to “stand on end” and produces a Raised area of the skin (goose bumps)

Answer 27

Arrector pili

Question 28

Produce a secretion that is mostly water with a few salts and located in almost every part of the skin but numerous in the palms & soles

Answer 28

Eccrine sweat glands

Question 29

Are simple, coiled, tubular glands that produce a thick secretion rich in organic substances

Answer 29

Apocrine sweat glands

Question 30

What does sebaceous glands produce?

Answer 30

Sebum

Question 31

Is an onion-shaped structure built up around the nerve ending that reduces the mechanical sensiti- vity of the nerve terminal itself

Answer 31

Pacinian corpuscle

Question 32

The portion that is not visible

Answer 32

Nail root

Question 33

Also known as cuticle, is the stratum corneum of the epidermis

Answer 33

Eponychium

Question 34

Is the thick white part of the nail

Answer 34

Lunula

Question 35

Is the skin below the nail plate

Answer 35

Nail bed

Question 36

Is the visible portion of the nail

Answer 36

Nail body

Question 37

Extend past the finger or toe

Answer 37

Free edge

Question 38

Secure nail to the fingertip

Answer 38

Hyponychium

Question 39

Is the epithelium proximal to the nail root. It contains dividing cells, which produce new nail cells

Answer 39

Nail matrix