Integumentry System

Question 1

3 layers of integumentry system

Answer 1

Epidermis, Dermis, Subcutaneous/ Hypodermis

Question 2

Keratinocytes for what?

Function and location

Answer 2

Make keratin

Epidermis

Structure, durability, and water proofing to hair, skin, and nails.

Question 3

Immune system cells of the epidermis

Answer 3

Langerhan cells aka dendritic

Question 4

In integumentry system these cells combine with nerve endings to create a sensory receptor for touch

Answer 4

Merkel

Question 5

5 parts of the integumentry system

Answer 5

Hair, Nails, Sweat, Oil Glands, Skin

Question 6

Which cell synthesizes melanin

Answer 6

Melanocytes

Question 7

Layers of thick/thin stick from most superficial to deep

Which is only found in the thick skin

Answer 7

Corneum, Lucideum(Thick Skin Only), Granulosum, Spinosum, Basale

Question 8

Type of tissue found in Subcutaneous layer

Answer 8

Adipose

Question 9

Tactile Corpuscle

Lamellar Corpuscle

Answer 9

Light touch

Deep touch / Pressure

Question 10

Sweat glands are also known as …..

The 2 types and locations.

Answer 10

Sudoriferous glands

Eccrine: Palms, Forehead, Feet

Apocrine: Puberty, Armpits & Groin

Question 11

Special oil glands called ________

Secrete a special oil called ______

Answer 11

Sebaceous Glands

Sebum

Question 12

Blood vessels & Nerve Fibers are in which part of the integumentry system?

Answer 12

Dermis

Question 13

layers of the Dermis and their Functions / Distinguishing features

Starting most superficial

Answer 13

Papillary layer: Contains Dermal Papillae

Reticular Layer: makes up 80%

Question 14

Which describes a characteristic of the dermal layer?

1. Consist of melanocytes
2. Made of connective tissue
3. Consist of 5 distinct layers
4. Made of stratified epithelial tissue

Answer 14

2. Made of connective tissue

Question 15

How is the dermis connected to the epidermis?

Answer 15

Collagen fibers

Question 16

The dermis can be divided into how many regions?

Answer 16

Papillary region

Reticular region

Question 17

The ______ dermis has blood vessels and connective tissue that supports the skin. Hair follicles, oil and sweat glands, and other structures are also found in this region

Answer 17

Reticular Dermis

Question 18

This region of the integumentry system has 5 layers.

What are they? Starting from the most Deep.

What is the mnemonic to remember them?

Answer 18

Epidermis

Stratum basale, Stratum spinosum, Stratum granulosum, Stratum lucidum, Stratum corneum

Brittish and Spanish Grannies Love Cornflakes.

Question 19

______ are the predominant cell type of epidermis and originate in the basal layer.

&

Responsible for the formation of the epidermal water barrier by making and secreting ______

Answer 19

Keratinocytes

Lipids

Question 20

________ cells, dendritic cells, are the skins first line defenders and play a significant role in antigen presentation. These cells need special stains to visualize, primarily found in the stratum spinosum.

Answer 20

Langerhans

Question 21

These cells serve a sensory function as mechanoreceptors for light touch, and are most populous in fingertips

Answer 21

Merkel

Question 22

____ The hard, strong and somewhat bendable surface of the nail and the part of the nail that is made of keratin.

Answer 22

Nail plate

Question 23

______ Dead skin cells that are pushed over the peripheries of the nails at their base and around the edges.

Answer 23

Cuticles

Question 24

______ The base of the nail under the skin where the new nail tissue emerges from

Answer 24

Nail sinus

Question 25

_____ The tissue below the surface of the nail that is protected by its nail plate.

Answer 25

Nail matrix

Question 26

The skin that has three layers like other skin and is found below the entire nail plate

Answer 26

Nail bed

Question 27

The half-moon white area at the base of the nail.

Answer 27

Lunula

Question 28

Which layer of the epidermidis are new "skin" cells made

Answer 28

Stratum basale