transverse septum

trans·verse sep·tum

1. Synonym(s): ampullary crest
2. the mesodermal mass separating the pericardial and peritoneal cavities; it is covered with mesothelium except where intimately associated with the liver, which originally develops within it; the septum is definitively incorporated into the diaphragm as the central tendon.

transverse septum

a thick plate of mesodermal tissue that occupies the space between the thoracic cavity and yolk stalk in the early embryo, forming a transverse partition partially separating the coelomic cavity into thoracic and abdominal portions. It gives rise to the central tendon of the diaphragm.

transverse septum

(1) Ampullary crest; crista ampullaris [NA6].
(2) The mesodermal tissue that separates the pericardial and peritoneal cavities.
References in periodicals archive ?
A diagnosis of transverse septum of the vagina situated distal to the cervix was made.
When the septum dividing the gallbladder lies longitudinally it is called bilobed gallbladder and when there is a transverse septum separating the fundus from the rest of the gallbladder it is called an hour-glass gallbladder (2).
A transverse septum represents failed canalization of the vaginal plate.
Outflow obstruction caused by a transverse septum in the distal vagina almost never leads to hematometra or hematosalpinx.
These include vaginal atresia, longitudinal septi, transverse septum, cervical agenesis, androgen insensitivity syndrome, and intersex conditions.
I have them come back once after separation, because I've got to be sure in my mind that there's no transverse septum or other problem, but that's optional," he said.

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