单词 inion 释义 ▪ I. inion1 Anat.|nn|[a. Gr. ἰ nape of the neck.]A ridge of the occiput; spec. the external occipital protuberance.[1811Hooper Med. Dict., Inion, the occiput. Blancard says it is the beginning of the spinal marrow: others say it is the...
