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    From Integumentary System

    Nail Bed
    Skin under the nail plate, supplying nutrients.
    Hair Papilla
    Cluster of cells at the base of the hair follicle containing capillaries.
    Merkel Discs
    Receptors that detect light touch and pressure.
    Ceruminous Glands
    Specialized sweat glands in the ear canal that produce earwax.
    Pheomelanin
    Type of melanin that produces yellow and red pigmentation.
    Stratum Basale
    Deepest layer of epidermis responsible for cellular regeneration.
    Dermis
    Layer below the epidermis providing structure and flexibility.
    Apocrine Sweat Glands
    Sweat glands found in the armpits and genital areas.
    Hemoglobin
    Oxygen-carrying protein in blood responsible for the red coloration of skin.
    Sweat Glands
    Glands that produce sweat to regulate body temperature.
    Hair Bulb
    Base of the hair follicle where cells divide and produce the hair shaft.
    Lymphatic Vessels
    Vessels responsible for transporting lymph throughout the skin.
    Free Nerve Endings
    Pain receptors (nociceptors) and temperature receptors.
    Stratum Lucidum
    Layer found only in thick skin, providing extra protection.
    Hair Root
    Part of hair within the follicle, undergoing growth.
    Sebaceous Glands
    Glands that produce sebum (oil) to lubricate skin and hair.
    Nail Plate
    Hard, visible part of the nail.
    Connective Tissue
    Fibrous tissue supporting the skin and other organs.
    Papillary Layer
    Upper layer of dermis, containing capillaries and sensory neurons.
    Nail Matrix
    Region of nail growth located beneath the base of the nail.
    Nails
    Hard, keratinized extensions at the tips of fingers and toes.
    Sensory Nerve Endings
    Nerve endings in the skin that detect sensory information.
    Lamellated (Pacinian) Corpuscles
    Receptors that detect deep pressure and vibration.
    Mammary Glands
    Glands in females that produce milk during lactation.
    Hair Shaft
    Visible part of hair extending from the follicle.

    Stratum Granulosum

    Reviewed by our medical team

    Layer of epidermis where keratinization begins.

    Did you know? Your skin can detect temperatures as cold as -10°C and as hot as 45°C.