rhomboid fossa
noun
: the floor of the fourth ventricle of the brain formed by the dorsal surfaces of the pons and medulla oblongata
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“Rhomboid fossa.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/rhomboid%20fossa. Accessed 4 May. 2024.
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