Integumentary System Lecture

Enter the single word name of the layer of the skin known as the, true, living skin.

dermis.

Enter the single word name of the layer deep to the dermis that is composed of abundant, loose connective tissues, superficial fascia, and which also is known as the subcutaneous layer.

hypodermis.

Indentify the labeled structures on the following picture.

A-epidermis. B-Dermis, C-Hypodermis, D- Sensory neurons, E-Arrector pili muscle, f-hair, g-sebaceous gland, h-sweat gland, I. adipose tissue, j-blood vessels.

Name the structure that comprises the single organ of the integumentary system.

Skin.

Explain why a superficial skin scrape, such as a paper cut, doesn't bleed.

The epidermis is nonvascularized, a paper cut does not go deep enough. There are no blood vessels in this layer of the skin.

Enter the single-word name for the type of cell/tissue common in the subcutaneous layer and which functions to store excess food energy and help to insulate the body against excessive heat loss.

adipose.

What is the name for the other sudoriferous glands that are restricted mostly to axillary, genital, and anal regions.

apocrine sweat glands.

The deepest layer of cells in the epidermis is called the? bottom layer.

basale.

The most outer layer of cells in the epidermis are called the stratum _______, this layer contains flattened cells packed full of keratin.

corneum.

Which sudoriferous gland is more widespread and produces a watery sweat to function for evaporative cooling and thermoregulation?

eccrine sweat glands.

Give the name of the outermost major layer of the skin.

epidermis.

What is the name of the cells in the deepest layer of the epidermis that produce the pigment melanin, single word, plural form. What is the function of melanin?

melanocyte. shields DNA of keratinocytes and gives skin pigment.

Enter the single name of the sublayer of the, true, living skin, which is more superficial and thinner, the first word in the term ____ layer.

papillary.

Enter the single name of the sublayer of the true living skin, which is deeper and thicker, layer.

reticular.

Enter the term for the type of gland that produces a lipid-rich secretion called sebum to lubricate hair and the epidermis.

sebaceous gland.

The epidermis is composed of what type of epithelium? The name of this tissue means, many layers of flattened cells.

stratified squamous.

Enter the term for the type of gland also known as sudoriferous gland.

sweat gland.