Dermis

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Epithelial Cell

cell covering the surface of the skin and inner lining of body cavities and tubes

Gland Epithelium

surface lining cell, regenerative cell

Dense Connective Tissue

Connective tissue with large amounts of either collagen fibers (making them strong) or elastic fibers, or both. Dense tissues are typically strong (e.g. bone, cartilage, tendons, etc.)

Appocrine Sweat Glands

Odiferous sweat glands in axilla, pubic region and areola. Secretory and duct portion, both are coiled. Single layer of cuboidal to columnar secretory cells, surrounded by myoepithelial cells. ducts empty into hair follicles.

Arrector Pili Muscle

Tiny smooth involuntary muscle, attached to hair follicle and dermal papillae and cotracts when cold or frightened and produces goosebumps

Vein

a blood vessel that carries blood from the capillaries toward the heart

Artery

a blood vessel that carries blood from the heart to the body

Sebaceous Gland

a cutaneous gland that secretes sebum (usually into a hair follicle) for lubricating hair and skin

Dermal Papilla

a fingerlike projection of the papillary region of the dermis that may contain blood capillaries or Meissner corpuscles (of touch)

Follicle

a structure in the dermis of the skin from which a strand of hair grows

Lymphatic Vessel

a vascular duct that carries lymph which is eventually added to the venous blood circulation

Receptor

an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation

Nerve

any bundle of nerve fibers running to various organs and tissues of the body

Sweat Gland

any of the glands in the skin that secrete perspiration

Subcutaneous Tissue

connective and adipose tissue layer just under the dermis

Reticular Layer

deeper layer of the dermis that supplies the skin with oxygen and nutrients; contains cells, vessels, glands, and follicles

Duct Epithelium

form cylinder that link secretory epithelium to surface

Ceruminous Glands

modified sweat glands, located in external ear canal, secretes cerumen (earwax)

Eccrine Sweat Glands

most numerous, important, and wide spread of the sweat glands, mostly on forehead, upper lip, palms and soles, not hair follicles, regulate temperature,

Papillary Layer

outer layer of the dermis, directly beneath the epidermis

Dermis

second layer of skin, holding blood vessels, nerve endings, sweat glands, and hair follicles

Sebum

the oily secretion of the sebaceous glands

Hair Shaft

the portion of the hair that projects beyond the skin

Hair Follicles

tube like pockets of epidermal cells that make hair cells and external keratin


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