incisura

noun

in·​ci·​su·​ra ˌin-ˌsī-ˈzhu̇r-ə How to pronounce incisura (audio) ˌin(t)-sə- How to pronounce incisura (audio)
plural incisurae -ē How to pronounce incisura (audio)
1
: a notch, cleft, or fissure of a body part or organ
2
: a downward notch in the curve recording aortic blood pressure that occurs between systole and diastole and is caused by backflow of blood for a short time before the aortic valve closes
incisural adjective

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Cite this Entry

“Incisura.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/incisura. Accessed 14 Jul. 2024.

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