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  2. Sebaceous cyst - Wikipedia

    en.wikipedia.org/wiki/Sebaceous_cyst

    A sebaceous cyst is a term commonly used to refer to either: [1] Epidermoid cysts (also termed epidermal cysts, infundibular cyst)

  3. Fordyce spots - Wikipedia

    en.wikipedia.org/wiki/Fordyce_spots

    Sebaceous glands are normal structures of the skin but may also be found ectopically in the mouth, where they are referred to as oral Fordyce granules or ectopic sebaceous glands. On the foreskin , they are called Tyson's glands , [ 6 ] but should not be confused with hirsuties coronae glandis .

  4. Epidermoid cyst - Wikipedia

    en.wikipedia.org/wiki/Epidermoid_cyst

    Epidermoid cyst may be classified as a sebaceous cyst, [15] although technically speaking it is not sebaceous. [16] "True" sebaceous cysts, cysts which originate from sebaceous glands and which contain sebum, are relatively rare and are known as steatocystoma simplex or, if multiple, as steatocystoma multiplex. Medical professionals have ...

  5. Trichilemmal cyst - Wikipedia

    en.wikipedia.org/wiki/Trichilemmal_cyst

    True" sebaceous cysts, which originate from sebaceous glands and which contain sebum, are relatively rare and are known as steatocystoma simplex or, if multiple, as steatocystoma multiplex. Medical professionals have suggested that the term "sebaceous cyst" be avoided since it can be misleading. [8]: 31 In practice, however, the term is still ...

  6. Milium (dermatology) - Wikipedia

    en.wikipedia.org/wiki/Milium_(dermatology)

    Relative incidence of cutaneous cysts. Milia is labeled at bottom right. A milium (pl.: milia), also called a milk spot or an oil seed, [1] is a clog of the eccrine sweat gland. It is a keratin-filled cyst that may appear just under the epidermis or on the roof of the mouth.

  7. Cyst - Wikipedia

    en.wikipedia.org/wiki/Cyst

    A cyst / s ɪ s t / is a closed sac, having a distinct envelope and division compared with the nearby tissue.Hence, it is a cluster of cells that have grouped together to form a sac (like the manner in which water molecules group together to form a bubble); however, the distinguishing aspect of a cyst is that the cells forming the "shell" of such a sac are distinctly abnormal (in both ...

  8. Preauricular sinus and cyst - Wikipedia

    en.wikipedia.org/wiki/Preauricular_sinus_and_cyst

    Preauricular sinuses and cysts result from developmental defects of the first and second pharyngeal arches. [10] This and other ear malformations are sometimes associated with renal anomalies. [ 11 ] In rare circumstances these pits may be seen in genetic conditions such as branchio-oto-renal syndrome ; however these conditions are always ...

  9. Dermoid cyst - Wikipedia

    en.wikipedia.org/wiki/Dermoid_cyst

    A dermoid cyst is a teratoma of a cystic nature that contains an array of developmentally mature, solid tissues. It frequently consists of skin, hair follicles, and sweat glands, while other commonly found components include clumps of long hair, pockets of sebum, blood, fat, bone, nail, teeth, eyes, cartilage, and thyroid tissue.