septum transversum
noun
septum trans·ver·sum
-tranz-ˈvər-səm 
plural septa transversa
-sə
: the diaphragm or the embryonic structure from which it in part develops
Cite this Entry
“Septum transversum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/septum%20transversum. Accessed 3 Nov. 2025.
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