Müllerian inhibiting substance

noun

Müllerian in·​hib·​it·​ing substance -in-ˌhib-ət-iŋ- 

variants or Mullerian inhibiting substance or müllerian inhibiting substance or mullerian inhibiting substance

: a glycoprotein hormone produced by the Sertoli cells of the male testis during fetal development that causes regression and atrophy of the Müllerian ducts : anti-mullerian hormone

—abbreviation MIS