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.
Farlex Partner Medical Dictionary © Farlex 2012

transverse septum

(1) Ampullary crest; crista ampullaris [NA6].
(2) The mesodermal tissue that separates the pericardial and peritoneal cavities.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
The liver, gallbladder and bile ducts (bile ducts, common hepatic duct, common bile duct and cystic duct) originate from the bud or hepatic diverticulum, initially a thickening and then a ventral evagination of the endoderm of the anterior primitive intestine which, at beginning of the fourth week, it extends to the transverse septum of the future diaphragm.
In this morphogenetic process, the expression of fibroblast growth factor (FGF-2) has been identified from cardiac cells and morphogenic bone protein (BMP-2, BMP4 and BMP-7) from the transverse septum, which induce to the endoderm for the initial formation of the hepatic diverticulum.
This malformation more frequently courses with a uterus didelphys with partial vaginal duplication forming a transverse septum and obstruction of menstrual flow in this hemivagina associated with the ipsilateral renal agenesis.
Asymptomatic or barely symptomatic cases are associated with the form of anomaly that involves communication between the two uterine horns or an incomplete transverse septum. The condition is also associated with signs and symptoms of infertility, although pregnancy can occur in the normal uterine horn and in the previously obstructed horn after surgical intervention.
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).
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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