| 释义 |
estrous cycle
释义
发情周期：雌性哺乳动物从一次发情期开始到下一次发情期开始期间，内分泌系统和生殖系统相关的现象。
例句
1·The follicular waves of postpartum heifers is made of 3 ~ 4 waves in the first estrous cycle .
产后母牛在第一发情周期中，卵巢卵泡的生长发育以3或4卵泡发育波为主。
2·Morphologically, round, oval or fusiform mast cells were present in all stages of estrous cycle .
输卵管内肥大细胞在黏膜皱襞、肌层和外膜中均有分布。
3·Histological structure of follicular system in yaks during the estrous cycle was similar to that of cattle and buffalo.
结果表明，牦牛发情周期中卵巢卵泡发育的组织结构与其他牛基本相似。
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