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Puberty Defining - Anatomy & Physiology (view source)
Revision as of 14:55, 4 September 2008
, 14:55, 4 September 2008→Age when Spermatozoa First Appear in the Urine
* Most spermatozoa produced are lost in the urine during periods of sexual abstinence.
* Most spermatozoa produced are lost in the urine during periods of sexual abstinence.
* The presence of sperm in the urine indicates that spermatogenesis is occuring.
* The presence of sperm in the urine indicates that [[Male_Reproductive_Tract_-Spermatogenesis_and_Spermiation_-_Anatomy_%26_Physiology|spermatogenesis]] is occuring.
* Frequent urine collection is difficult in large domestic species and requires special equipment, so this method of determining pubertal onset has limitations.
* Frequent urine collection is difficult in large domestic species and requires special equipment, so this method of determining pubertal onset has limitations.