label: Spermatogonial maturation arrest
label_lc: spermatogonial maturation arrest
description: "A type of spermatogenesis maturation arrest in which the block of developmental occurs in the spermatogonial stage. Testicular histology shows seminiferous tubules with Sertoli cells and spermatogonial cells but no further differentiated cells like spermatocytes or round spermatids."