noun[ C ]medicalspecializeduk/ˌɪn.sɪˈʒʊə.rə/us/ˌɪn.sɪˈʒʊr.ə/incisurae/ˌɪn.sɪˈʒʊə.raɪ//ˌɪn.sɪˈʒʊr.aɪ/
(在器官或身体上留下的)圆形(或角状)切迹
a round or V-shaped hollow in an organ or body part
(主动脉血压图上的)切迹,降中峡
in a graph of the blood pressure in the aorta, a place where the curve goes slightly downwards and quickly up again just before the aortic valve closes