染色过深 meaning in English

hyperchromatism
hyperchromatosis

Here is an adrenal cortical carcinoma seen microscopically at high power to demonstrate cellular pleomorphism with nuclear hyperchromatism
高倍镜下的肾上腺皮质癌，显示细胞的多形性、细胞核染色过深。
At high magnification , the neoplastic glands of prostatic adenocarcinoma are still recognizable as glands , but there is no intervening stroma and the nuclei are hyperchromatic
高倍镜，前列腺癌中腺体仍可辨认，但其间没有间质且核染色过深。