Papillary
Papillary refers to a structure or tissue resembling a papilla, which is a small, nipple-like projection or elevation. It is a term often used in medical and biological contexts.
Anatomy[edit | edit source]
In anatomy, papillary structures are common and can be found in various parts of the body. For example, the dermis of the skin contains papillary layers, and the kidney has a part called the renal papilla.
Pathology[edit | edit source]
In pathology, the term papillary is used to describe a growth pattern of neoplastic cells that form finger-like projections. This is seen in various types of tumors, such as papillary thyroid cancer, papillary renal cell carcinoma, and papillary muscles in the heart.
Papillary Muscles[edit | edit source]
Papillary muscles are muscles located in the ventricles of the heart. They attach to the cusps of the atrioventricular valves (also known as the mitral and tricuspid valves) via the chordae tendineae and contract to prevent inversion or prolapse of these valves.
Papillary Thyroid Cancer[edit | edit source]
Papillary thyroid cancer is the most common type of thyroid cancer. It is typically characterized by slow growth, local invasion, and lymph node involvement.
Papillary Renal Cell Carcinoma[edit | edit source]
Papillary renal cell carcinoma is a type of kidney cancer that forms in the cells lining the small tubules in the kidney. It is the second most common subtype of renal cell carcinoma.
See Also[edit | edit source]
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