early stage in the development of a plant or an animal. in vertebrate animals (have a backbone or spinal column), this stage lasts from shortly after fertilization until all major body parts appear. in particular, in humans, this stage lasts from about 2 weeks after fertilization until the end of the seventh or eighth week of pregnancy.
出典:Wiktionary
出典:『Wiktionary』 (2026/03/02 19:17 UTC 版)
Borrowed from Medieval Latin embryō, from Ancient Greek ἔμβρυον (émbruon, “fetus”), from ἐν (en, “in-”) + βρύω (brúō, “to grow, swell”).
embryo (plural embryos or embryones)
出典:『Wiktionary』 (2026/04/27 18:34 UTC 版)
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
![]()
名詞の変化形:
|