Definition (CSP) small, sacculated organs found within the dermis which secrete sebum; ducts from most sebaceous glands open into a hair follicle but some open on the general surface of the skin. ... Sebum Definition. Definition (CSP) small, sacculated organs found within the dermis which secrete sebum; ducts from most sebaceous glands open into a hair follicle but some open on the general surface of the skin. Definition A bundle of smooth muscle cells attached to each hair follicle contracts to straighten and raise the hair follicle, resulting in piloerection (goosebumps). Prevent water loss from skin in low-humidity environments. It is composed of fat and epithelial debris from the cells of the malpighian layer, and it lubricates the skin. ... enlarged these with an accumulation of sebum can cause blackheads (color is from melanin and oxidized oil) Term. How to use sebaceous in a sentence. Definition: Sebaceous glands are numerous microscopic glands in the dermis that usually open into the hair follicles and secrete sebum. Nerve impulses are stimulated when a person is cold or emotionally upset. Sebaceous definition is - secreting sebum. My Flashcards. Inter-individual differences in the level of sebum secretion are responsible for the different types of skin texture: dry skin or brittle hair is the consequence of low sebum secretion, whereas oily skin or greasy hair will be the consequence of a higher sebum secretion, which is known as hyperseborrhoea. • Also called oily glands because the glands secrete an oily substance called sebum. • Sebaceous glands are small on the body trunk and limbs, but … made up of stratum corneum: Supporting users have an ad free experience! Mixture of lipids. What do fatty acids of sebum have. sebum: [ se´bum ] the oily secretion of the sebaceous glands, whose ducts open into the hair follicles. They are holocrine glands, i.e., the sebum consists of the entire secreting cells. Key Concepts: Terms in this set (9) Sebaceous Glands Definition. Location: Found everywhere on the skin apart from the palms and soles Types of Sebaceous glands: 1. Smegma is the thick, white, cheesy substance that collects under the foreskin of the penis.It's more common in uncircumcised men who don't clean that area well enough. The ducts from most sebaceous glands open into a HAIR FOLLICLE, but some open on the general surface of the SKIN. Tweet . Sebaceous glands secrete SEBUM. The accumulation of sebum combined with dead skin cells forms smegma. Associated with hair follicles in hair covered areas: Smegma clitoridis is defined as the secretion of the apocrine glands of the clitoris, in combination with desquamating epithelial cells. Definition: branched alveolar glands that are found all over the body except for in the thick skin o the palms and soles. Antibacterial properties. Sebaceous glands secrete SEBUM. Science Olympiad - Anatomy. Definition. Sebaceous Glands Definition. A sebaceous gland is a microscopic exocrine gland in the skin that opens into a hair follicle to secrete an oily or waxy matter, called sebum, which lubricates the hair and skin of mammals. Anatomy and Physiology of Integumentary System (Secondary) Description. Sebaceous glands are the oil-secreting tissue in mammalian skin.When a slice of the epidermis is examined under a microscope, we see a hair follicle that has pierced through the skin’s surface into the subcutaneous layer. Sebum and skin and hair textures. What do fatty acids of sebum do. And Physiology of Integumentary System ( Secondary ) Description 9 ) Sebaceous glands are numerous microscopic in... Glands secrete an oily substance called sebum skin apart from the palms and soles is composed fat... An ad free experience oily glands because the glands secrete an oily substance called sebum in the thick skin the... 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