Publication: Distribution and microstructure of intrarenal arteries in Bactrian camels (Camelus bactrianus)
Authors
Li, Hui ; Cui, Yan ; Wang, Yali ; Qiu, Haiyu ; Afedo, Seth Yaw ; Huang, Yufeng ; Bai, Xuefeng
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Publisher
Universidad de Murcia, Departamento de Biologia Celular e Histiologia
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DOI
https://doi.org/10.14670/HH-18-166
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info:eu-repo/semantics/article
Description
Abstract
Studies and reports focusing on the Bactrian
camels’ kidney structure from an anatomical perspective
are scanty, therefore, this work aims to systemically
investigate the anatomical structure of the kidney and
examine the distribution and microstructure of intrarenal
arteries. Ten pairs of healthy adult kidneys from male
and female Bactrian camels were used in the study. The
kidney of Bactrian camel appeared like a broad bean
with a smooth surface. Using artery casting, we observed
that the renal artery divided into dorsal and ventral
branches; the dorsal branch continuously divided into a
shorter anterior branch and a longer posterior branch,
while the ventral branch directly divided into interlobar
arteries. The number of interlobar arteries in the left and
right kidneys were slightly different, 14 to 16 in left
while 16 in the right kidney. No anastomosis was found
between the dorsal and ventral branches or their sub-
branches. To further study the microscopic structure,
microanatomy and scanning microscope were used.
Surprisingly, we observed two other ways afferent
arteriole arose apart from the interlobular artery. They
were the arcuate artery and conjoint afferent arteriole.
Two afferent arterioles supplied one glomerulus and
occasionally the absence of glomerulus was also
observed, where the arteriole kept extending, and no
typical glomerulus formed. Since branching of arteries
and urologic function of kidneys are physiologically
integrated, these features of Bactrian camel may help to
further investigate their adaptations to desert climate.
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