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A collection of vocabulary flashcards related to the structures and functions of the skin and underlying tissues as discussed in the lecture.
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Keratinocytes
Cells that produce keratin, a tough protective protein found in the skin.
Melanocytes
Cells responsible for producing melanin, the pigment that gives color to the skin and hair.
Merkel Cells
Sensory cells in the skin that are involved in the sensation of touch.
Langerhans Cells
Immune cells in the skin that help protect against pathogens.
Dermis
The layer of skin beneath the epidermis that contains blood vessels, nerves, and accessory structures.
Papillary Layer
The superficial layer of the dermis which contains loose connective tissue and provides nutrients to the epidermis.
Reticular Layer
The deeper layer of the dermis made of dense irregular connective tissue providing structural support.
Accessory Structures of the Skin
Includes hair, glands, and nails that are derived from the epidermis and located in the dermis.
Hair Bulb
The swollen base of a hair follicle where hair growth occurs.
Erector Pili Muscle
A small muscle attached to hair follicles that contracts to make hair stand upright.
Sebaceous Gland
Gland in the skin that secretes oil (sebum) to moisturize skin and hair.
Apocrine Glands
Sweat glands located in specific areas of the body that produce a thicker type of sweat.
Eccrine Glands
Most common type of sweat gland that produces a watery sweat for thermoregulation.
Hypodermis
The subcutaneous layer beneath the dermis, primarily made of adipose tissue.
Adipose Tissue
Fat tissue that stores energy and provides insulation and cushioning.
Osseous Tissue
The type of connective tissue that forms bone.
Locomotion
Movement of the body or body parts that is facilitated by the interaction of bones and muscles.
Minerals stored in bones
Calcium, magnesium, and other vital minerals that are stored in bones.