What is the medical term for excessive secretion of sebum?

What is the medical term for excessive secretion of sebum?

Definition of seborrhea : abnormally increased secretion and discharge of sebum.

What is a thickened area of scar tissue that is covered by a shiny smooth epidermal surface?

rickets. A thickened area of scar tissue that is covered by a shiny, smooth epidermal surface is called a(n) _____. keloid.

Which glands in the axilla become active at the time of puberty?

Apocrine sweat glands start to function at puberty under the stimulation of sex hormones. They are associated with hair follicles in the groin and axillary region.

What structure does Merocrine secretion occur?

Merocrine sweat glands are coiled tubular glands that discharge their secretions directly onto the surface of the skin. The clear secretion produced by merocrine glands is termed sweat, or sensible perspiration.

What is sebum made of?

However, the ultimate role of human sebum, as well as the metabolic pathways regulating its composition and secretion rate, are far from a complete understanding. Human sebum consists of squalene, esters of glycerol, wax and cholesterol, as well as free cholesterol and fatty acids (Table 1).

What is the meaning of sebaceous?

Definition of sebaceous 1 : secreting sebum sebaceous glands. 2 : of, relating to, or being fatty material : fatty a sebaceous exudate.

Where do sebaceous glands and sebaceous follicles discharge their secretions?

Where do sebaceous glands and sebaceous follicles discharge their secretions? A sebaceous gland discharges its secretion into a hair follicle. A sebaceous follicle discharges its secretion directly onto the epidermis.

What are coarse pigmented hairs called?

Lanugo fine unpigmented fetal hair. Vellus Fine unpigmented children & women. Terminal Coarse long pigmented hair of scalp. Base surrounded by sensory nerves(root hair plexus) located deep in dermis.

What do sebaceous glands secrete?

Sebaceous glands produce an oily substance termed sebum, the function of which is unknown. In fact, the skin of children and the palmar and plantar skin of adults function well without sebum. Sebaceous glands are part of the pilosebaceous unit and so are found wherever hair follicles are located.

What is sweat gland?

Sweat glands are coiled tubular structures vital for regulating human body temperature. Humans have three different types of sweat glands: eccrine, apocrine, and apoeccrine. Eccrine sweat glands are abundantly distributed all over the skin and mainly secrete water and electrolytes through the surface of the skin.

Are sebaceous glands merocrine?

Skin gland cells are of epithelial origin, but their secretory compartments are located at different depths in the dermis. Sebaceous glands are holocrine glands, and sweat glands (both eccrine and apocrine ones) are merocrine glands.

What is sebum function?

Sebum lubricates the skin to protect against friction and makes it more impervious to moisture. Furthermore, the sebaceous gland transports antioxidants in and on the skin and exhibits a natural light protective activity.

What is sebum and what is its purpose?

Sebum is an oily substance secreted by the sebaceous glands in mammalian skin. Its main purpose is to make the skin and hair waterproof and to protect them from drying out.

What does sebum mean in medical dictionary?

Noun 1. sebum – the oily secretion of the sebaceous glands; with perspiration it moistens and protects the skin secretion – a functionally specialized substance (especially one that is not a waste) released from a gland or cell

How to stop excess sebum production?

Use essential oils to stop sebum production, while treating any blemishes and calming redness. Sea Buckthorn Oil contains vitamins A, E and C and absorbs into the skin to fight internal and external aggressors. It strengthens the skin to promote balance and healing. Massage a dime-size amount of oil into your skin both morning and night.

What stimulates the secretion of sebum?

Stimulate androgen production by increasing the effectiveness of the sebaceous glands. This can be achieved by using vitamins and supplements as well as by eating the right foods. Vitamins A, B1, C and E, chromium, folic acid, and Ginkgo biloba are believed to increase androgen.