Integumentary System Vocab

integumentary system

• Consists of the skin, mucous membranes, hair, and nails; largest organ of the human body.

• The outer layer of the skin.

• A layer tissue underneath the epidermis of the skin which contains blood vessels, lymphatic vessels, nerves, sensory receptors, and oil and sweat glands.

• the most superficial layer of the epidermis consisting of dead cells

Tags

NGSS.MS-LS1-3

Epidermis

• The outer layer of the skin.

• A layer tissue underneath the epidermis of the skin which contains blood vessels, lymphatic vessels, nerves, sensory receptors, and oil and sweat glands.

• Also called a subcutaneous layer; this layer of fat is located under the dermis of the skin and helps to insulate the body and protects underlying muscles and blood vessels.

Dermis

• A layer tissue underneath the epidermis of the skin which contains blood vessels, lymphatic vessels, nerves, sensory receptors, and oil and sweat glands.

• Also called a subcutaneous layer; this layer of fat is located under the dermis of the skin and helps to insulate the body and protects underlying muscles and blood vessels.

• The outer layer of the skin.

Hypodermis

• Also called a subcutaneous layer; this layer of fat is located under the dermis of the skin and helps to insulate the body and protects underlying muscles and blood vessels.

• A layer tissue underneath the epidermis of the skin which contains blood vessels, lymphatic vessels, nerves, sensory receptors, and oil and sweat glands.

• The outer layer of the skin.

stratum corneum

• the most superficial layer of the epidermis consisting of dead cells

• 2nd layer of the epidermis found only in the thick skin of the fingers, palms, and soles

• 3rd layer of the epidermis that marks the transition between the deeper layers and the dead cells of the top layers

• 4th layer of the epidermis that provides strength and flexibility to the skin; "the spiny layer"

• 5th and deepest layer of epidermis

stratum lucidum

• the most superficial layer of the epidermis consisting of dead cells

• 2nd layer of the epidermis found only in the thick skin of the fingers, palms, and soles

• 3rd layer of the epidermis that marks the transition between the deeper layers and the dead cells of the top layers

• 4th layer of the epidermis that provides strength and flexibility to the skin; "the spiny layer"

• 5th and deepest layer of epidermis

stratum granulosum

• the most superficial layer of the epidermis consisting of dead cells

• 2nd layer of the epidermis found only in the thick skin of the fingers, palms, and soles

• 3rd layer of the epidermis that marks the transition between the deeper layers and the dead cells of the top layers

• 4th layer of the epidermis that provides strength and flexibility to the skin; "the spiny layer"

• 5th and deepest layer of epidermis

stratum spinosum

• the most superficial layer of the epidermis consisting of dead cells

• 2nd layer of the epidermis found only in the thick skin of the fingers, palms, and soles

• 3rd layer of the epidermis that marks the transition between the deeper layers and the dead cells of the top layers

• 4th layer of the epidermis that provides strength and flexibility to the skin; "the spiny layer"

• 5th and deepest layer of epidermis

stratum basale

• the most superficial layer of the epidermis consisting of dead cells

• 2nd layer of the epidermis found only in the thick skin of the fingers, palms, and soles

• 3rd layer of the epidermis that marks the transition between the deeper layers and the dead cells of the top layers

• 4th layer of the epidermis that provides strength and flexibility to the skin; "the spiny layer"

• 5th and deepest layer of epidermis

Melanin

• A pigment that gives the skin, hair and eyes color and helps protect the body from harmful UV radiation that causes skin cancer.

• Spidery black cells that produce the brown-to-black pigment called melanin.

• Sensory cells that respond to deep pressure and texture

• Epidermal cells that help activate the immune system

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4