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Definition of «Juxta-»

Juxta-: Prefix meaning near, nearby, or close.

Examples include:

  • Juxtaarticular -- composed of juxta, near + articular, from the Latin "articulus", a joint = near a joint. A juxtaarticular fracture is a break near a joint.
  • The juxtaglomerular apparatus -- a collective term referring to the cells near a structure called the glomerulus in the kidney. The juxtaglomerular cells are specialized cells that stimulate secretion of the adrenal hormone aldosterone and play a major role in renal autoregulation.
  • Juxtaposition -- the act of placing two or more things side by side or the state of being so placed. To lose a pair of juxtaposed teeth is to lose teeth next to one another. (Apposition is synonymous with juxtaposition).
  • Juxtapyloric -- means near the pylorus (the muscular area at the junction of the stomach and the first part of the small intestine, the duodenum). To speak of a juxtapyloric ulcer is to be precise about the location of the ulcer near the pylorus.
  • Juxtaspinal -- near the spinal column.
  • Juxtavescicular -- near the bladder.

Juxta- lends anatomical precision to the location of a structure. Prefixes like "juxta-" play an essential role as building blocks in the construction of many medical terms.

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