He recognized that spermatozoa were produced by the testes and was the first to identify the prostate gland.
hiː ɹˈɛkəɡnˌaɪzd ðæt spˌɜːmɐɾəzˈoʊə wɜː pɹədˈuːst baɪ ðə tˈɛstiːz ænd wʌzðə fˈɜːst tʊ aɪdˈɛntᵻfˌaɪ ðə pɹˈɑːsteɪt ɡlˈænd.