culture medium

...Artificially growing and multiplying microorganisms, animal and plant cells, tissues, and organs.
[Microbial culture]
A mixture of nutrients such as carbon sources such as glucose, nitrogen sources such as peptone and ammonium sulfate, inorganic salts such as phosphates, and growth factors such as amino acids and vitamins, which are necessary for the growth of microorganisms, is called a culture medium and is used to cultivate microorganisms. A liquid medium is one in which nutrients are dissolved in water, and a solid medium is one in which this is solidified with gelatin or agar.

*Some of the terminology that refers to "culture medium" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…微生物，動･植物の細胞，組織，器官を人工的に生育，増殖させること。
【微生物の培養】
　微生物の生育に必要なブドウ糖のような炭素源，ペプトンや硫酸アンモニウムのような窒素源，その他リン酸塩のような無機塩類，アミノ酸やビタミンのような生育因子などの栄養素を混合したものを培地culture mediumといい，微生物の培養に用いる。栄養素を水に溶かしたものを液体培地，それをゼラチンや寒天で固めたものを固形培地という。…

※「culture medium」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報