Anatomy of the Kidneys of a Newly Born Pigmy Hippopotamus (Choeropsis liberiensis Morton)
Abstract
This is probably the first description of the renal anatomy of the pigmy hippopotamus. The observations were made with dissecting and transmitted light microscopes. Nephrons were micro‐dissected from macerated portions of the kidney. The apex of the renal loops is always at the wide helicoidal portion of the nephron and occurs in all zones but especially in the outer zone of the medulla. The kidney is the branched tubus maximus type, similar to that of the Nile hippopotamus. Distinguishing features are indicated and discussed.
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Each kidney of C. liberiensis is supplied with cranial and caudal renal arteries that branch into several perforating arteries, which in turn supply their respective lobes.
“Each kidney is supplied with cranial and caudal renal arteries that branch into several perforating arteries, which in turn supply their respective lobes (Maluf 1978;1994).”
From Choeropsis liberiensis (Artiodactyla: Hippopotamidae) (2019) · cites this paper as Maluf 1978
The large number of short nephrons in C. liberiensis is believed to have allowed the evolution of a bigger animal, albeit with a limited ability to produce concentrated urine.
“The large number of short nephrons is believed to have allowed the evolution of a bigger animal, albeit with a limited ability to produce concentrated urine (Maluf 1978(Maluf , 1994)).”
From Choeropsis liberiensis (Artiodactyla: Hippopotamidae) (2019) · cites this paper as Maluf 1978
Instead of infundibula and renculi, the lobes of C. liberiensis kidneys are projections like the fingers of a hand; each kidney has 17-25 lobes.
“Instead, the lobes are projections like the fingers of a hand; each kidney has 17-25 lobes (Maluf 1978(Maluf , 1994)).”
From Choeropsis liberiensis (Artiodactyla: Hippopotamidae) (2019) · cites this paper as Maluf 1978
Each kidney of C. liberiensis has about three times 10^6 glomeruli; however, the total length of the tubule, including the Loop of Henle, is only 6.8 mm.
“Each kidney has about three times 10 6 glomeruli (Maluf 1994); however, the total length of the tubule, including the Loop of Henle, is only 6.8 mm (Maluf 1978).”
From Choeropsis liberiensis (Artiodactyla: Hippopotamidae) (2019) · cites this paper as Maluf 1978
Cited by
Sorted by citations
Flacke, G. L., Chambers, B. K., Martin, G. B., & Paris, M. C. J. (2015) · Der Zoologische Garten · doi:10.1016/j.zoolgart.2015.07.006 · Cited by 13 · see citing works
Choeropsis liberiensis (Artiodactyla: Hippopotamidae)
Flacke, G. L., & Decher, J. (2019) · Mammalian Species · doi:10.1093/mspecies/sez017 · Cited by 9 · see citing works
- Authors
- Maluf, N. S. R.
- Affiliations
- Huron Hospital (US)
- Corresponding author
- Maluf, N. S. R.
- Venue
- Anatomia, Histologia, Embryologia
- Publisher
- Wiley
- Published
- 1978-02
- Volume
- 7
- Issue
- 1
- Pages
- 28-48
- ISSN
- 0300-8649 (ISSN-L)
- 0340-2096
- 1439-0264
- OpenAlex
- W2056197568
- Cited by
- 9
- References
- 0
- Citations by year
- 2019: 1 · 2015: 1 · 2012: 1
- FWCI
- 0.94
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Anatomia Histologia Embryologia (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Urology › Comparative Animal Anatomy Studies
- Health Sciences › Medicine › Anatomy › Medical and Biological Sciences
- Health Sciences › Veterinary › Small Animals › Veterinary Medicine and Surgery
- Keywords
- Choeropsis liberiensis, renal anatomy, kidney, nephron, renal medulla
- MeSH terms
- Animals, Animals, Newborn, Artiodactyla, Kidney, Organ Size
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