Integumentary system vocab

Epithelial membrane

epithelium attached to a layer of connective tissue

cutaneous membrane

skin

mucous membrane

The lining of various body cavities, including the nose, ears, and mouth

serous membrane

a thin membrane lining the closed cavities of the body

Serous fluid

lubricates the organs and allows them glide without friction

synovial membrane

membrane lining the capsule of a joint

Keratin

hard protein material found in the epidermis, hair, and nails

Epidermis

Outer layer of skin

subcutaneous tissue

Innermost layer of skin (hypodermis)

Keratinocytes

produce keratin

Melanin

skin pigment

Melanocytes

produce melanin

Dermal papillae

Found in the upper layers of the dermis, they create your fingerprint pattern

Meissner's corpuscles

Light touch receptors

Pacinian corpuscles

deep pressure

Carotene

yellow-orange pigment

Jaundice

yellowing of the skin

Exocrine gland

gland that releases its secretions through tubelike structures called ducts

Sebaceous gland

oil-secreting gland in the dermis that is associated with hair follicles

Sebum

oily substance secreted by sebaceous glands

Acne

Over production of oil and bacteria buildup in pores

Seborrhea

skin condition characterized by overproduction of sebum

Sweat gland

The glands that secrete sweat, located in the dermal layer of the skin.

Eccrine gland

major sweat glands of the human body

Apocrine gland

The less numerous type of sweat gland. Produces a secretion containing water, salts, and proteins.