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AP > Integumentry System > Flashcards

Integumentry System Flashcards

1
Q

3 layers of integumentry system

A

Epidermis, Dermis, Subcutaneous/ Hypodermis

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2
Q

Keratinocytes for what?

Function and location

A

Make keratin

Epidermis

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

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3
Q

Immune system cells of the epidermis

A

Langerhan cells aka dendritic

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4
Q

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

A

Merkel

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5
Q

5 parts of the integumentry system

A

Hair, Nails, Sweat, Oil Glands, Skin

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6
Q

Which cell synthesizes melanin

A

Melanocytes

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7
Q

Layers of thick/thin stick from most superficial to deep

Which is only found in the thick skin

A

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

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8
Q

Type of tissue found in Subcutaneous layer

A

Adipose

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9
Q

Tactile Corpuscle

Lamellar Corpuscle

A

Light touch

Deep touch / Pressure

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10
Q

Sweat glands are also known as …..

The 2 types and locations.

A

Sudoriferous glands

Eccrine: Palms, Forehead, Feet

Apocrine: Puberty, Armpits & Groin

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11
Q

Special oil glands called ________

Secrete a special oil called ______

A

Sebaceous Glands

Sebum

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12
Q

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

A

Dermis

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13
Q

layers of the Dermis and their Functions / Distinguishing features

Starting most superficial

A

Papillary layer: Contains Dermal Papillae

Reticular Layer: makes up 80%

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14
Q

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
A
  1. Made of connective tissue
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15
Q

How is the dermis connected to the epidermis?

A

Collagen fibers

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16
Q

The dermis can be divided into how many regions?

A

Papillary region

Reticular region

17
Q

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

A

Reticular Dermis

18
Q

This region of the integumentry system has 5 layers.

What are they? Starting from the most Deep.

What is the mnemonic to remember them?

A

Epidermis

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

Brittish and Spanish Grannies Love Cornflakes.

19
Q

______ 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 ______

A

Keratinocytes

Lipids

20
Q

________ 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.

A

Langerhans

21
Q

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

A

Merkel

22
Q

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

A

Nail plate

23
Q

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

A

Cuticles

24
Q

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

A

Nail sinus

25
Q

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

A

Nail matrix

26
Q

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

A

Nail bed

27
Q

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

A

Lunula

28
Q

Which layer of the epidermidis are new “skin” cells made

A

Stratum basale

AP (37 decks)

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