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- As in the female, the initial stages of development begin in the fifth week with development of the mesoderm forming the gonadal ridge. 第4周，卵黄囊顶近尿囊处的内胚层出现称原始生殖细胞。第5周，生殖腺的体腔上皮细胞向深层增生成初级性索。
- A ridge or hill of ice in an ice field. 冰丘冰原上的冰脊或冰山
- gonadal ridge 生殖(腺)嵴, 性腺嵴
- He walked along the mountain ridge. 他顺着山脊走。
- A ridge on the flesh raised by a blow; a welt. 抽打后皮肉上隆起的痕; 鞭痕
- The arch of short hairs covering this ridge. 眉毛覆盖于眉上的拱状短毛
- A low mound or ridge of earth; a knoll. 小丘低土丘或圆岗; 小丘
- The floor of the atlantic ridge in the middle from north to south. 大西洋洋底在中部形成由北向南的海脊。
- The part of a pair of eyeglasses that rests against this ridge. 眼镜的鼻梁架眼镜架在鼻梁上的那部分
- The notch cut into a key that corresponds to such a ridge. 钥匙的榫槽钥匙上切割出的对应锁眼的凸槽
- The office seems so dull and prosaic after Pine Ridge. 从松岭回来后，办公室似乎变得枯燥无味了。
- It was getting along in the afternoon as we worked our way down the ridge. 当我们一路排除困难走下山岗时，天色已近薄暮。
- At this stage the gonad is indifferent. 此时，不能辨认性别而称之为未分化性腺。
- It is the uncrossed desert and the unclimbed ridge. 它是未经横越的沙漠、未经攀登的峭壁。
- To produce a ridge around the edge of(a coin). 轧边，印边在（钱币）边上印制一圈凸起的边
- A pass between two mountain peaks or a gap in a ridge. 山口，隘口两个山峰间的通路或者山脊上的裂口
- A fold or ridge, as of skin, membrane, or shell. 皱襞如皮肤、膜或壳的褶或隆起物
- A hill or ridge of wind-blown sand. 沙丘风吹沙子形成的小山
- AVP、OT and gonadal hormones play an important role. 升压素、催产素和性激素对社会识别有重要作用。
- An ornamental ridge, as on top of a wall or roof. 顶饰墙顶上或屋脊上等的脊状饰物
