iniencephalus

noun

in·​i·​en·​ceph·​a·​lus ˌin-ē-in-ˈsef-ə-ləs How to pronounce iniencephalus (audio)
: a teratological fetus with a fissure in the occiput through which the brain protrudes
iniencephalic
ˌin-ē-ˌen-sə-ˈfal-ik How to pronounce iniencephalus (audio)
adjective

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iniac
iniencephalus
iniencephaly
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Cite this Entry

“Iniencephalus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/iniencephalus. Accessed 3 Nov. 2025.

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