Template:Johnsen score table
From Embryology
| Johnsen score |
Description |
|---|---|
| 10 | complete spermatogenesis and perfect tubules |
| 9 | many spermatozoa present but disorganized spermatogenesis |
| 8 | only a few spermatozoa present |
| 7 | no spermatozoa but many spermatids present |
| 6 | only a few spermatids present |
| 5 | no spermatozoa or spermatids present but many spermatocytes present |
| 4 | only a few spermatocytes present |
| 3 | only spermatogonia present |
| 2 | no germ cells present |
| 1 | neither germ cells nor Sertoli cells present |
|
A clinical score (1-10) for assessing spermatogenesis in a human testicular biopsy.
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