| sebaceous cyst | A closed sac (sebaceous gland) within the tissue containing oily or fatty semi-solid material. These cysts are found most commonly on the genitalia, vulva or labia. Features include a nontender, small lump in the skin. Sebaceous cysts which turn red or tender may require treatment with oral antibiotics. Warm wet compresses may help the cyst expel some of its contents. Surgical excision of the cyst may be necessary to prevent recurrence. (27 Sep 1997) |
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| sebaceous follicles | Numerous holocrine glands in the dermis that usually open into the hair follicles and secrete an oily semifluid sebum. Synonym: glandulae sebaceae, oil glands, sebaceous follicles. (05 Mar 2000) |
| sebaceous gland | A normal gland of the skin which empties an oily secretion into the hair follicle near the surface of the skin. (12 Dec 1998) |
| sebaceous glands | Numerous holocrine glands in the dermis that usually open into the hair follicles and secrete an oily semifluid sebum. Synonym: glandulae sebaceae, oil glands, sebaceous follicles. (05 Mar 2000) |
| sebaceous horn | A solid outgrowth from a sebaceous cyst. (05 Mar 2000) |
| sebaceous tubercle | A small subepidermal keratin cyst, usually multiple and therefore commonly referred to in the plural. Synonym: sebaceous tubercle, tuberculum sebaceum, whitehead. Origin: L. Millet (05 Mar 2000) |
| senile sebaceous hyperplasia | Hyperplasia of mature sebaceous glands, forming a nodule on the skin of the face or forehead in elderly persons. (05 Mar 2000) |