Outermost layer of skin. Thinnest layer. Made of flat cells in tight layers.

Middle layer of skin. Strongest layer. Made of a web of protein fibers and cells.

Deepest layer of skin. Made mostly of fat. Many blood vessels and nerves.

The protein fiber that makes up the epidermis, hair, feathers, fingernails, scales, horns and claws.

Cells in the epidermis that produce skin pigment to protect the body from UV damage.

The pigment produced in the epidermis that absorbs UV light, darkens skins, and makes up freckles and moles.

The cells in the dermis that produce collagen fibers and fill in scar tissue as a wound heals.

The tough protein fibers that make up most of the dermis. They are also in bones, tendons, and ligaments.

Produces sweat and releases it from pores.

Produces oil and releases it onto hair follicles.

Intramuscular injections

These injections include: Flu shot, Covid shot, Vaccines, Epipen.

Intravenous injections

These injections include: IV fluids, blood draws, heavy duty antibiotics, and tranquilizers like morphine.

Intradermal injections

These injections include: Allergy prick tests

Subcutaneous injections

These injections include: Local anesthetic, insulin for diabetes, and fluids for dehydrated animals.

Burn of the epidermis. No blisters. Red, sensitive skin.

Burn down to the dermis. Blisters form. Very painful.

Burn down to the hypodermis. No blister. No pain in burned region.

Sweat pores clogged with oil and bacteria.

When the dermis gets stretched too rapidly due to puberty, obesity, or pregnancy. Stress and lack of nutrients increases risk.

Thickened layer of epidermis in response to repeated pressure and friction.

A substance on the skin triggers a longer lasting immune reaction with itchy and inflamed rashes on skin. Lasts for days to weeks.

A substance on the skin triggers a short lived immune reaction with itchy and inflamed rashes on skin. Lasts for minutes to hours.

Human papilloma virus (HPV)

The virus that causes warts. Variants of the virus lead to warts in different locations including feet, hands, and genitalia.

A red circle shaped rash that grows larger. Caused by a fungal infection.

Bacterial infection within or below the skin that includes swelling and pus. The pus is usually white or yellow.

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Skin 26

Question	Answer
Epidermis	Outermost layer of skin. Thinnest layer. Made of flat cells in tight layers.
Dermis	Middle layer of skin. Strongest layer. Made of a web of protein fibers and cells.
Hypodermis	Deepest layer of skin. Made mostly of fat. Many blood vessels and nerves.
Keratin	The protein fiber that makes up the epidermis, hair, feathers, fingernails, scales, horns and claws.
Melanocyte	Cells in the epidermis that produce skin pigment to protect the body from UV damage.
Melanin	The pigment produced in the epidermis that absorbs UV light, darkens skins, and makes up freckles and moles.
Fibroblast	The cells in the dermis that produce collagen fibers and fill in scar tissue as a wound heals.
Collagen	The tough protein fibers that make up most of the dermis. They are also in bones, tendons, and ligaments.
Sweat gland	Produces sweat and releases it from pores.
Sebaceous gland	Produces oil and releases it onto hair follicles.
Intramuscular injections	These injections include: Flu shot, Covid shot, Vaccines, Epipen.
Intravenous injections	These injections include: IV fluids, blood draws, heavy duty antibiotics, and tranquilizers like morphine.
Intradermal injections	These injections include: Allergy prick tests
Subcutaneous injections	These injections include: Local anesthetic, insulin for diabetes, and fluids for dehydrated animals.
First degree burn	Burn of the epidermis. No blisters. Red, sensitive skin.
Second degree burn	Burn down to the dermis. Blisters form. Very painful.
Third degree burn	Burn down to the hypodermis. No blister. No pain in burned region.
Acne	Sweat pores clogged with oil and bacteria.
Stretch marks	When the dermis gets stretched too rapidly due to puberty, obesity, or pregnancy. Stress and lack of nutrients increases risk.
Callus	Thickened layer of epidermis in response to repeated pressure and friction.
Contact dermatitis	A substance on the skin triggers a longer lasting immune reaction with itchy and inflamed rashes on skin. Lasts for days to weeks.
Hives	A substance on the skin triggers a short lived immune reaction with itchy and inflamed rashes on skin. Lasts for minutes to hours.
Human papilloma virus (HPV)	The virus that causes warts. Variants of the virus lead to warts in different locations including feet, hands, and genitalia.
Ringworm	A red circle shaped rash that grows larger. Caused by a fungal infection.
Abscess	Bacterial infection within or below the skin that includes swelling and pus. The pus is usually white or yellow.

Created by: buchwalder

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