dermoid cyst

dermoid cyst
dermoid cyst n a cystic tumor often of the ovary that contains skin and skin derivatives (as hair or teeth) called also dermoid

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a cyst containing hair, hair follicles, and sebaceous gland, usually found at sites marking the fusion of developing sections of the body in the embryo. Sometimes a dermoid cyst may develop after an injury. Surgical removal is best undertaken by a plastic surgeon.

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1. a type of epidermal cyst, usually present at birth along a line of embryonic fusion such as the middorsal, midventral, or branchial cleft; it represents a disorder of embryologic development, usually involves the head or neck (especially around the eyes), and is lined with stratified squamous epithelium containing cutaneous appendages, including hair. Called also dermoid. 2. a benign teratoma of the ovary, usually found in young women, presumably derived from ectodermal differentiation of totipotential cells, lined by apparent skin and its adnexal structures, usually filled with sebaceous, caseous material and hair. Called also benign cystic, cystic, or mature teratoma and dermoid.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Dermoid cyst — Classification and external resources A 7x4 cm mature cystic teratoma extracted from a left ovary showing mature teeth, skin and hair ICD 10 K …   Wikipedia

  • Dermoid cyst — Dermoid Der moid, a. [Derm + oid: cf. F. dermo[ i]de.] Same as {Dermatoid}. [1913 Webster] {Dermoid cyst} (Med.), a cyst containing skin, or structures connected with skin, such as hair. [1913 Webster] …   The Collaborative International Dictionary of English

  • dermoid cyst — dermoid a benign tumour – a type of teratoma – containing hair, hair follicles, and sebaceous glands, usually found at sites marking the fusion of developing sections of the body in the embryo. It is the most common benign ovarian tumour in girls …   The new mediacal dictionary

  • Dermoid cyst of the ovary — A bizarre tumor, usually benign, in the ovary that typically contains a diversity of tissues including hair, teeth, bone, thyroid, etc. A dermoid cyst develops from a totipotential germ cell (a primary oocyte) that is retained within the egg sac… …   Medical dictionary

  • dermoid cyst — Usually benign cyst, the walls of which are of dermal origin. Many ovarian tumours are dermoid cysts …   Dictionary of molecular biology

  • dermoid cyst — noun Date: 1872 a cystic tumor often of the ovary that contains skin and skin derivatives (as hair or teeth) called also dermoid …   New Collegiate Dictionary

  • dermoid cyst — noun A type of teratoma or tumour, usually benign. It is in the form of a cyst or sac, and contains skin and sometimes hair, nails, teeth or other tissue …   Wiktionary

  • dermoid cyst — noun a cystic tumor (usually benign) with a wall lined with epithelium and a cavity containing other material • Hypernyms: ↑cyst …   Useful english dictionary

  • dermoid cyst — noun Medicine an abnormal growth containing epidermis, hair follicles, and sebaceous glands, derived from residual embryonic cells …   English new terms dictionary

  • dermoid cyst — A type of benign (noncancerous) germ cell tumor (type of tumor that begins in the cells that give rise to sperm or eggs) that often contains several different types of tissue such as hair, muscle, and bone. Also called a mature teratoma …   English dictionary of cancer terms

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