Unusual example of a persistent stapedial artery in a human

Unusual example of a persistent stapedial artery in a human
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人类持续镫骨动脉的不寻常例子

DOI:
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发表时间:
1987
期刊:
The Anatomical Record
影响因子:
--
通讯作者:
M. Diamond
M. Diamond
中科院分区:
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文献类型:
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作者:
M. Diamond

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完整解剖永存镫骨动脉及其伴行的静脉窦,发现了几个值得注意的特征。1)镫动脉干的近端部分缺失,整个镫系统通过枕动脉和镫动脉后支之间的吻合进行供应;类似类型的侧支供应发生在一些异节动物和蝙蝠中。后支是原始真兽类镫骨系统的组成部分,以前在灵长类动物中没有报道。2)上级支的前、后分支均存在。在灵长类动物中首次发现了后分裂。3)前、后分裂分别伴随颅眶窦和岩鳞窦。这些窦是不完整的,相对于原始的真兽目条件是减弱的。
A complete dissection of a persistent stapedial artery and its companion venous sinuses revealed several noteworthy features. 1) The proximal portion of the stapedial artery stem was missing, and the entire stapedial system was supplied through an anastomosis between the occipital artery and the ramus posterior of the stapedial artery; a similar type of collateral supply occurs in some xenarthrans and bats. The ramus posterior is a component of the primitive eutherian stapedial system and one that has not been reported previously in a primate. 2) Both the anterior and posterior divisions of the ramus superior were present. The posterior division is identified here for the first time in a primate. 3) The anterior and posterior divisions were accompanied by the cranio‐obital and petrosquamous sinuses, respectively. These sinuses were incomplete and attenuated relative to the primitive eutherian condition.
唐氏综合症的颞骨组织病理学发现。
DOI: 10.1001/archotol.1981.00790380026007
发表时间: 1981
期刊: Archives of otolaryngology (Chicago, Ill. : 1960)
影响因子: --
作者:
Harada,T;Sando,I
通讯作者: Sando,I