- Schweigger-Seidel sheath
- a spindle-shaped thickening in the walls of the second portion of the arterial branches forming the penicilli in the spleen; see sheathed artery, under artery. Called also ellipsoid.
Medical dictionary. 2011.
Medical dictionary. 2011.
Schweigger-Seidel sheath — is a phagocytic sleeve that is part of a sheathed arteriole of the spleen, and is sometimes referred to as a splenic ellipsoid. It is a spindle shaped thickening in the walls of the second part of the arterial branches forming the penicilli in… … Wikipedia
Schweigger-Seidel sheath — Schweig·ger Sei·del sheath (shviґgər siґdəl) [Franz Schweigger Seidel, German physiologist, 1834–1871] see under sheath … Medical dictionary
Schweigger-Seidel — Franz, German physiologist, 1834–1871. See sheath of Schweigger Seidel … Medical dictionary
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
ellipsoid — 1. A spherical or spindle shaped condensation of phagocytic macrophages in a reticular stroma investing the wall of the splenic arterial capillaries shortly before they release their blood in the cords of red pulp. 2. The outer end of the inner … Medical dictionary