Anatomical Abnormality
epithelial cyst
Subclass of:
Cyst
Definitions related to epithelial cyst:
  • (sebaceous cyst) A benign cyst located in the dermis layer of skin that is lined by stratified squamous epithelium, and which contains laminated layers of keratin and keratin breakdown products.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (epidermal cyst) Intradermal or subcutaneous saclike structure, the wall of which is stratified epithelium containing keratohyalin granules.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (epidermoid cyst) Nontender, round and firm, but slightly compressible, intradermal or subcutaneous cyst measuring 0.5-5 cm in diameter. Epidermal cysts are intradermal or subcutaneous tumors, grow slowly and occur on the face, neck, back and scrotum. They usually appear at or around puberty, and as a rule an affected individual has one solitary or a few cysts.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2021
  • Epidermoid (ep-ih-DUR-moid) cysts are noncancerous small bumps beneath the skin. They can appear anywhere on the skin, but are most common on the face, neck and trunk.
    Mayo Clinic
    Mayo Foundation for Medical Education and Research
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.