sebaceous

  • 21sebaceous hyperplasia — senile sebaceous hyperplasia single or multiple pale, round lesions, consisting of enlarged, malformed sebaceous glands; the most common location is on the face of an older adult. Called also sebaceous adenoma or epithelioma …

    Medical dictionary

  • 22sebaceous nevus — nevus sebaceus, nevus sebaceus of Jadassohn a type of circumscribed, alopecic, yellow to brown epidermal nevus, present at birth, with hyperplastic sebaceous glands and hair follicles; the size can vary considerably. The usual location is on the… …

    Medical dictionary

  • 23sebaceous gland — UK / US noun [countable] Word forms sebaceous gland : singular sebaceous gland plural sebaceous glands medical an organ in your body that allows a type of oil called sebum to flow onto your skin and hair to keep them soft …

    English dictionary

  • 24Sebaceous gland — A normal gland of the skin which empties an oily secretion into the hair follicle near the surface of the skin. * * * sebaceous gland n any of the small sacculated glands lodged in the substance of the derma, usu. opening into the hair follicles …

    Medical dictionary

  • 25sebaceous adenoma — adenoma sebaceum 1. see under hyperplasia. 2. Pringle type adenoma sebaceum: misnomer for a type of hamartoma of the face seen in tuberous sclerosis complex; it does not involve the sebaceous glands. 3. Balzer type adenoma sebaceum: nevoid… …

    Medical dictionary

  • 26sebaceous nevus syndrome — a syndrome characterized by a sebaceous nevus or nevi in a linear formation, present at birth and changing progressively throughout life. Some patients have neurologic symptoms (retardation or seizures) or ophthalmologic abnormalities. After… …

    Medical dictionary

  • 27sebaceous gland — noun A gland of the skin which secretes an oily substance, sebum, usually into a hair follicle near the surface of the skin. Syn: sebaceous follicle, glandulae sebaceae …

    Wiktionary

  • 28sebaceous horn — a hard outgrowth of the contents of a sebaceous cyst …

    Medical dictionary

  • 29sebaceous cyst — noun a swelling in the skin arising in a sebaceous gland, typically filled with yellowish sebum …

    English new terms dictionary

  • 30sebaceous cyst — 1) (wen) a pale or flesh coloured dome shaped cyst that commonly occurs in adults, especially on the face, neck, or trunk. It is firm, with a central dot, and contains keratin, not sebum; such cysts are therefore more correctly referred to as… …

    The new mediacal dictionary