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Anatomy Week 2 Lectures > Week 2 > Flashcards

Week 2 Flashcards

1
Q

Define integumentary and dermatology.

A

Integumentary: Covering

Dermatology: study of the skin

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2
Q

What is the body’s largest organ?

A

skin

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3
Q

What are the two layers of the skin?

A

Epidermis and Dermis

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4
Q

What are the 5 functions of the skin?

A

1.Chemical, Biological and physical barrier
2.Vitamin D synthesis
3.Sensation
4.Thermoregulation and blood reservoir
5. Vasoconstriction

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5
Q

Why is Vitamin D synthesis important for the body?

A

Vitamin synthesis, which is needed for Calcium absorption, occurs in the skin.

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6
Q

How does the skin help regulate body temperature?

A

Vasoconstriction and vasodilation of cutaneous blood vessels and secretions from sweat glands help maintain body temp.

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7
Q

What are the 5 types of cells in the epidermis?

A
  1. Stem cells
  2. Keratinocytes
  3. Melanocytes
  4. Merkel cells
  5. Dendritic
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8
Q

What is keratin, and what cells produce it?

A

keratin is a hard substance and made by keratinocytes.

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9
Q

What is melanin, what cells produce it, and what cells absorb it?

A

Melanin is the pigment of the skin, produced by melanocytes, and absorbed by keratinocytes.

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10
Q

What are the names of macrophages found in the epidermis?

A

Dendritic (Langerhans)

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11
Q

What is the most abundant cell type in the epidermis?

A

Keratinocytes

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12
Q

What are the layers of thick skin and thin skin?

A

Stratum Basale, Stratum Spinosum, Stratum Granulosum, Stratum Lucidum

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13
Q

What layer is present in the thick skin that is not present in the thin skin?

A

Stratum lucidum

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14
Q

What layer is the site of cell death?

A

Stratum Corneum

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15
Q

What is the tissue type of the dermis?

A

connective tissue

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16
Q

What is the primary component of the dermis?

A

collagenous fibers

17
Q

What are the two layers of the dermis, and how are they different?

A

Papillary layer and the Reticular Layer

18
Q

What is the hypodermis, what is its function?

A

subcutaneous fat is adipose tissue contained within the hypodermis. the function of it is connecting the dermis layer of your skin to your muscles and bones

19
Q

Define osteology.

A

Study of the bones

20
Q

What are the functions of the skeletal system?

A

support, protection, movement and the making of red bone marrow/blood formation

Anatomy Week 2 Lectures (1 decks)

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