Spermatidogenesis

Cross section of the epithelium of a seminiferous tubule showing various stages of spermatocyte development

Scheme showing analogies in the process of maturation of the ovum and the development of the spermatids (young spermatozoa).

Spermatidogenesis is the creation of spermatids from secondary spermatocytes during spermatogenesis.

Secondary spermatocytes produced earlier rapidly enter meiosis II and divide to produce haploid spermatids.

The brevity of this stage means that secondary spermatocytes are rarely seen in histological preparations.

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v • d • e Male reproductive system

Scrotum	layers (skin, Dartos, External spermatic fascia, Cremaster/Cremasteric fascia, Internal spermatic fascia) • Perineal raphe • Spermatic cord

Testes	layers (Tunica vaginalis, Tunica albuginea, Tunica vasculosa testis) • Appendix • Mediastinum • Lobules • Septa • Leydig cell • Sertoli cell • Blood-testis barrier

Spermatogenesis	Spermatogonium • Spermatocytogenesis • Spermatocyte • Spermatidogenesis • Spermatid • Spermiogenesis • Spermatozoon

seminal tract	Seminiferous tubules (Tubuli seminiferi recti, Rete testis, Efferent ducts) • Epididymis (Appendix, Stereocilia) • Vas deferens (Ampulla) • Ejaculatory duct

urinary tract	Internal urethral orifice • Urethra (Prostatic, Intermediate, Spongy, Navicular fossa) • External urethral orifice

accessory glands	Seminal vesicles (Excretory duct of seminal gland) • Prostate (Urethral crest/Seminal colliculus/Prostatic utricle/Ejaculatory duct, Prostatic sinus/Prostatic ducts) • Bulbourethral glands

Penis	root (Crus, Bulb, Fundiform ligament, Suspensory ligament) • body (Corpus cavernosum, Corpus spongiosum) • glans (Foreskin, Frenulum, Corona) • fascia (superficial/subcutaneous, deep/Buck's) • Tunica albuginea - Septum of the penis