also: ひとがんさいぼう
noun
human cancer cell
Technical term used in biomedical research and oncology to refer to cancer cells of human origin.
この実験ではヒト癌細胞を用いて薬剤の効果を調べた。
In this experiment, we examined the drug's effect using human cancer cells.
癌細胞 means 'cancer cell' in general, while ヒト癌細胞 specifies human origin.
Compound of ヒト (human) and 癌細胞 (cancer cell). The katakana spelling ヒト is standard in biological contexts to distinguish the species.