PMID: 1211658Dec 23, 1975Paper

The structural organization of the kidney of the desert rodent Psammomys obesus

Anatomy and Embryology
Brigitte KaisslingW Kriz

Abstract

The architecture of the desert rodent Psammomys obesus has been studied by means of standard histologic procedures and by single nephron injections. As other rodent kidneys (rat, mouse), the Psammomys kidney consists of two types of nephrons, 66% short looped and 34% long looped nephrons. The cortex is composed of 4 to 5 layers of glomeruli, which lie closely put together, the glomeruli often touch each other. The superficial and the midcortical glomeruli give rise to short looped neophrons, the juxtamedullary to long looped nephrons. In the strongly developed medulla the inner stripe shows the most striking pattern. It consists of two distinct compartments, that of the giant vascular bundles and that of the interbundle regions. The giant vascular bundles consist of about 8 to 14% arterial vasa recta and 39 to 47% venous vasa recta; furthermore they include the thin descending limbs of the short loops of Henle which amount to 44 to 51% of the bundle structures. The tubules of the interbundle regions surround the bundles in a regular pattern. The inner zone is almost completely surrounded by the renal pelvis; the long broad papilla protrudes into the ureter. The thin descending limbs of short looped nephrons traverse the inner s...Continue Reading

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Citations

Jan 30, 1979·Anatomy and Embryology·L BankirW Kriz
Jan 1, 1995·Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology·H J Harlow, E J Braun
Jan 1, 1988·Veterinary Research Communications·G K Mbassa
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Feb 1, 1987·Kidney International·M ImaiK Tabei
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Jan 1, 1986·Toxicologic Pathology·R E Bulger
Apr 7, 2017·American Journal of Physiology. Renal Physiology·Matthew David MacManes
May 9, 2002·The Anatomical Record·Noble Suydam Rustem Maluf
Aug 1, 1979·The American Journal of Anatomy·E R Lacy, B Schmidt-Nielsen
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Mar 22, 2007·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·L Gordge, J R Roberts

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