periarterial lymphatic sheath
- periarterial lymphatic sheath
- periarteriolar lymphatic sheath, periarteriolar lymphoid sheath (PALS) any of the sheaths of lymphatic tissue surrounding the arteries that have left the splenic trabeculae; the sheaths are mainly composed of T lymphocytes, at intervals expanding to form the B lymphocyte–containing splenic lymphoid nodules, and together composing the white pulp of the spleen.
Medical dictionary.
2011.
Look at other dictionaries:
sheath — 1. Any enveloping structure, such as the membranous covering of a muscle, nerve, or blood vessel. Any sheathlike structure. SYN: vagina (1). 2. The prepuce of male animals, especially of the horse. 3. A specially designed tu … Medical dictionary
PALS — Abbreviation for periarterial lymphatic sheath. * * * parietolateral lymphocyte sheath; Patient Advocacy and Liaison Service; pediatric advanced life support; prison acquired lymphoproliferative syndrome * * * periarteriolar lymphoid sheath … Medical dictionary
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