TY - GEN AU - Bird,D J AU - Seiler,M W TI - Annulate lamellae and single-pore complexes in human spermatogonia SN - 0022-4782 PY - 1987///0122 KW - Adult KW - Aged KW - Cell Nucleus KW - ultrastructure KW - Cryptorchidism KW - pathology KW - Humans KW - Male KW - Microscopy, Electron KW - methods KW - Middle Aged KW - Spermatogonia KW - Spermatozoa KW - Testicular Diseases KW - Testis N1 - Publication Type: Journal Article ER -