Skin

The outer covering of the body is called the __________.

Skin

The two main layers of the skin are the __________ and __________.

epidermis and dermis

The outer layer of skin, composed of stratified squamous keratinized epithelium, is known as the __________.

epidermis

The __________ contains melanocytes that produce melanin, protecting the nucleus of keratinocytes from UV radiation.

epidermis

The most superficial layer of the epidermis, composed of dead cells is known as the __________.

Stratum corneum

Cells in the epidermis that produce a tough waterproof protein are called __________.

keratinocytes

The pigment that gives skin its color is called __________.

melanin

Epidermal dendritic cells, also known as __________ cells, play a role in the immune system.

Langerhans

The layer deep to the epidermis that contains blood vessels and nerve fibers is called the __________.

dermis

The __________ layer of the dermis contains dense irregular connective tissue.

reticular

Friction ridges are formed by epidermal ridges that lie on top of __________ ridges.

dermal

__________ lines in the skin are separations between underlying collagen fiber bundles in the reticular dermis.

Cleavage

Stretch marks, or __________, result from dermal tears due to rapid stretching of the skin.

striae

The hair shaft is the visible portion of the hair that is __________.

keratinized

The __________ muscle is responsible for causing goosebumps by attaching to hair follicles.

arrector pili

__________ glands are involved in thermoregulation by secreting sweat.

Eccrine

Sebaceous glands secrete an oily substance called __________ into hair follicles.

sebum

Nails serve several functions, including __________ and acting as __________.

protection; tools

The ABCD(E) rule for melanoma detection includes asymmetry, border irregularity, color, diameter, and __________.

elevation/evolving

A first degree burn only damages the __________.

epidermis

Second degree burns damage the epidermis and the __________. And exhibits___

upper dermis; blistering

Melanin production can increase due to __________ exposure.

UV

The __________ is the innermost layer of the epidermis where actively mitotic stem cells are found.

stratum basale

Composed of areolar connective tissue, the __________ layer of the dermis contains dermal papillae.

papillary

The part of the hair that is embedded in the skin is known as the __________.

hair root

Catastrophic loss of body fluid and electrolytes is called ______

Danger

What is a third degree burn?

a full-thickness burn, involves complete destruction of both the epidermis and the entire dermis, potentially affecting underlying tissues such as fat, muscle, and bone.

What is melanoma?

Melanoma is a type of skin cancer that develops from melanocytes, the cells that produce melanin.

What are common signs of melanoma?

Common signs include new or changing moles, asymmetry, irregular borders, color variation, and larger diameter.

Melanoma is highly ____ and ______ to chemotherapy

Metastic; resistant

Which skin types are at higher risk for developing melanoma?

Individuals with fair skin, light hair, and a history of sunburns or excessive UV exposure are at higher risk for developing melanoma.

What does the letter A in the ABCD(E) rule stand for in melanoma detection?

Asymmetry

What does the letter B in the ABCD(E) rule stand for in melanoma detection?

Border irregularity

What does the letter C in the ABCD(E) rule stand for in melanoma detection?

Color variation

What does the letter D in the ABCD(E) rule stand for in melanoma detection?

Diameter

What does the letter E in the ABCD(E) rule stand for in melanoma detection?

Elevation or Evolving