Last Updated：2025/11/27
(somewhat dated) A straight seminiferous tubule conveying semen from its pertaining tubulus seminiferus contortus (convoluted seminiferous tubule) to the rete testis of the testicle that contains it; now more commonly called the tubulus seminiferus rectus (straight seminiferous tubule).
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vas rectum
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Source Word
vas rectum
IPA(Pronunciation)
Noun
dated
plural-normally
Japanese Meaning
（やや古い用語）精巣の精細管の一種で、概して、複雑な精細管（tubulus seminiferus contortus）から精巣網へ精子を運ぶまっすぐな管、つまり、現在では「tubulus seminiferus rectus」と呼ばれるもの。
Sense（1）
Sense（2）
(sometimes
more
fully,
“vas
rectum
renis”)
Any
one
of
many
straight
capillaries
in
the
kidney
that
branch
off
from
the
arteriolae
efferentes
(efferent
arterioles)
of
juxtamedullary
nephrons,
enter
the
medulla,
and
surround
the
loop
of
Henle,
where
they
function
to
absorb
water
and
to
secrete
salt
and
urea
into
the
renal
interstitium,
thereby
facilitating
the
production
of
concentrated
urine.
（ plural ）
