corpus luteum
noun [ C ] anatomy, biology specialized uk/ˌkɔː.pəs ˈluː.ti.əm/ us/ˌkɔːr.pəs ˈluː.ti.əm/ corpora lutea /ˌkɔː.pər.ə ˈluː.ti.ə/ /ˌkɔːr.pɚ.ə ˈluː.ti.ə/
黄体，卵巢黄体
a mass of yellow tissue that produces progesterone (= a hormone necessary for pregnancy) after a woman's egg is released