单词	ischium
释义	ischium noun is·​chi·​um ˈi-skē-əm  plural ischia ˈi-skē-ə  : the lower and posterior of the three principal bones composing either half of the pelvis ischial ˈi-skē-əl  adjective Example Sentences Recent Examples on the Web Meanwhile, the epiphyses on the ischium and the ends of the femur and shin bone (tibia) were well-developed but hadn’t yet fused—in other words, DH7 wasn’t a very young child but was definitely still growing. Kiona N. Smith, Ars Technica, 10 Apr. 2020 The bones also included a right thighbone (femur) and hipbone (ischium), a right arm, and part of a lower right jaw and a few teeth. Kiona N. Smith, Ars Technica, 10 Apr. 2020 Ribs, back and lower hips If all goes to plan, this second week will also see Sue lose its chest ribs, neck and chest backbones, and pubis and ischium (the lower hip bones). Steve Johnson And Phil Geib, chicagotribune.com, 3 Feb. 2018 Word History Etymology Latin, hip joint, from Greek ischion First Known Use 1646, in the meaning defined above Medical Definition ischium noun is·​chi·​um ˈis-kē-əm  plural ischia -ə  : the dorsal and posterior of the three principal bones composing either half of the pelvis consisting in humans of a thick portion, a large rough eminence on which the body rests when sitting, and a forwardly directed ramus which joins that of the pubis
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