C secondary spermatocyte nearer the lumen structure e round cell, 12um o N: round deep-stained hard to see-short lived(divide quickly) through secondary meiosis divides into two spermatid (1n, 23X or 23Y)c. secondary spermatocyte: ---nearer the lumen ---structure: round cell, 12um N: round deep-stained hard to see- short lived(divide quickly) ---through secondary meiosis divides into two spermatid(1n, 23X or 23Y)