Sessile

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Sessile

Sessile (/ˈsɛsaɪl/ or /ˈsɛsɪl/) is a term used in biology and medicine to describe an organism or part that is attached directly by its base without a stalk. The term is derived from the Latin word sessilis, which means "low" or "sitting".

Etymology

The term "sessile" originates from the Latin word sessilis, which is derived from the verb sedere meaning "to sit". In the context of biology and medicine, it is used to describe organisms or parts that are attached directly and do not move or are not free-standing.

Usage in Medicine

In medicine, the term "sessile" is often used to describe the growth pattern of tumors or polyps. A sessile tumor or polyp is one that is attached directly to the organ or tissue without a stalk. This is in contrast to a pedunculated tumor or polyp, which is attached by a stalk or stem-like structure.

Related Terms

  • Pedunculated: A term used to describe a growth that is attached by a stalk or stem-like structure.
  • Biology: The scientific study of life and living organisms.
  • Medicine: The science and practice of diagnosing, treating, and preventing diseases.
  • Tumor: An abnormal growth of cells that serves no purpose.
  • Polyp: A small, abnormal growth of tissue projecting from a mucous membrane.

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