salivary-gland chromosome
Technical term in genetics/cytology referring to the giant polytene chromosomes found in the salivary glands of certain insects, notably Drosophila.
See also: 唾液腺染色体
The salivary-gland chromosomes of fruit flies are often used in genetic research.
多糸染色体 (polytene chromosome) is the broader category; 唾腺染色体 specifically refers to those found in salivary glands.
Compound of 唾腺 (salivary gland) + 染色体 (chromosome). The term is a direct calque from English 'salivary-gland chromosome'.