뒤로Integumentary Terms 1/3
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The body's largest organ, consisting of multiple layers that protect internal structures and regulate temperature.
Another name for the skin, composed of the epidermis and dermis layers.
The outermost layer of skin made primarily of keratinized stratified squamous epithelium.
The thick layer beneath the epidermis containing connective tissue, blood vessels, and nerves.
The subcutaneous layer below the dermis, mainly composed of fat and connective tissue for insulation and cushioning.
The most abundant epidermal cell type that produces keratin, a protective protein.
Cells in the epidermis that produce melanin, the pigment responsible for skin color and UV protection.
Also called Merkel cells; sensory cells in the epidermis that detect touch stimuli.
Immune cells in the epidermis that detect pathogens and activate immune responses.
The deepest epidermal layer where keratinocytes are generated by mitosis.
The epidermal layer above the basal layer, characterized by spiny-shaped keratinocytes connected by desmosomes.
Layer where keratinocytes begin to die and accumulate keratohyalin granules, starting keratinization.
A thin, clear layer of dead keratinocytes found only in thick skin areas like palms and soles.
The outermost epidermal layer of dead, flattened keratinized cells that provide a durable barrier.
Small flakes of dead skin cells shed from the stratum corneum.
Excessive shedding of dander, often accompanied by scalp irritation.
The process by which keratinocytes produce keratin and move upward, becoming dead, tough cells.
Thickened skin area formed by increased keratinization due to repeated friction or pressure.
Small, fingerlike projections of the dermis that interlock with the epidermis to strengthen their connection.
The upper layer of the dermis composed of loose connective tissue and dermal papillae.
The deeper, thicker dermal layer made of dense irregular connective tissue providing strength and elasticity.
Raised patterns on the epidermis that increase grip and form fingerprints.
Natural lines of skin tension formed by collagen fiber orientation in the dermis.
Skin creases near joints where the dermis is tightly secured to underlying structures, allowing skin to fold.