Papillary
Papillary
Papillary (pronunciation: /pəˈpɪləri/) is a term often used in medical contexts to describe a structure or form that is shaped like a small, rounded protuberance. The term is derived from the Latin papilla, meaning "nipple".
Etymology
The term "papillary" comes from the Latin papilla, which means "nipple". It is used to describe structures that resemble small, rounded protuberances.
Related Terms
- Papilla: A small, rounded protuberance on a part or organ of the body.
- Papillary Muscle: Muscles located in the ventricles of the heart. They attach to the cusps of the atrioventricular valves via the chordae tendineae and contract to prevent inversion or prolapse of these valves.
- Papillary Thyroid Cancer: A common type of thyroid cancer that is characterized by the growth of finger-like projections of cells.
- Papillary Layer: The uppermost layer of the dermis, directly underneath the epidermis.
Usage in Medicine
In medicine, the term "papillary" is often used to describe the appearance of certain types of cells or tissues under a microscope. For example, papillary thyroid cancer is so named because the cancer cells form structures that resemble small, rounded protuberances, or papillae.
In addition, the term "papillary" is used in the names of certain parts of the body that have a similar appearance, such as the papillary muscles in the heart and the papillary layer of the skin.
External links
- Medical encyclopedia article on Papillary
- Wikipedia's article - Papillary
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