noun
mesenchyme
Medical term for embryonic connective tissue; used in biology and anatomy contexts.
間充織は胚発生の過程で重要な役割を果たす。
Mesenchyme plays an important role during embryonic development.
The term is composed of 間 (between), 充 (fill), and 織 (tissue), reflecting its role as a filler tissue between other structures. The exact historical derivation is uncertain; it is a modern medical coinage.