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Meckel's diverticulum is the rudiment of the embryonic yolk sac.是什么意思？

Meckel's diverticulum is the rudiment of the embryonic yolk sac.

麦克尔憩室是胚胎黄囊的未发育完全器官.

相关词汇
diverticulum is the rudiment of embryonic yolk sac

diverticulum

n. 憩室，支囊，膨部；

is

vt.& vi. 是（be的三单形式；n. 存在；

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

rudiment

n. 基本原理，雏形， 萌芽，退化器官；

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

embryonic

adj. 胚芽的，胎儿的，初期的；

yolk

n. 蛋黄，卵黄，羊毛油脂，胚乳；

sac

n. （动植物组织中的）囊，液囊；abbr. 缩写 = (US) Strategic Air Command 战略空军司令部。；
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