Translation guide
The female reproductive cell; in biological contexts, the term 'ovum' is common, while in everyday language 'egg' is used.
The female gamete, especially in scientific or medical contexts.
Standard biological term for an ovum or egg cell. Used in scientific, medical, and educational contexts.
卵子は卵巣で作られます。
Egg cells are produced in the ovaries.
体外受精では、卵子を体外で受精させます。
In in vitro fertilization, the egg cell is fertilized outside the body.
General word for 'egg', including bird eggs and, in context, human egg cells. Less formal than 卵子.
女性の卵は毎月一つ成熟します。
A woman's egg matures once a month.
Literally 'egg cell'. Used in biology textbooks but less common in everyday speech.
卵細胞は動物の雌性生殖細胞です。
The egg cell is the female reproductive cell in animals.
Referring to a human egg in non-technical conversation, e.g., about fertility or pregnancy.
Even in everyday contexts, 卵子 is the most precise and commonly understood term for a human egg cell.
年齢とともに卵子の質が低下します。
Egg quality declines with age.
Used colloquially, especially in phrases like 卵を凍結する (freeze one's eggs).
卵 (たまご) is the general word for 'egg' and can refer to bird eggs, fish eggs, or human eggs depending on context. In medical or precise biological contexts, 卵子 (らんし) is preferred to avoid ambiguity.
She froze her eggs for the future.