
Intratesticular ducts
Changes in epithelium help to differentiate the intratesticular passages seen in this fetal testis. Stratified germinal epithelium lines the convoluted portion of the seminiferous tubules; simple columnar epithelium (Sertoli cells) lines the straight portions of the seminiferous tubules. Simple cuboidal epithelium lines the rete testis in the mediastinum. 100x

Mediastinum
Changes in epithelium help to differentiate the intratesticular passages seen in this fetal testis. Stratified germinal epithelium lines the convoluted portion of the seminiferous tubules; simple columnar epithelium (Sertoli cells) lines the straight portions of the seminiferous tubules. Simple cuboidal epithelium lines the rete testis in the mediastinum. 100x

Convoluted portions
Changes in epithelium help to differentiate the intratesticular passages seen in this fetal testis. Stratified germinal epithelium lines the convoluted portion of the seminiferous tubules; simple columnar epithelium (Sertoli cells) lines the straight portions of the seminiferous tubules. Simple cuboidal epithelium lines the rete testis in the mediastinum. 100x

Straight portions
Changes in epithelium help to differentiate the intratesticular passages seen in this fetal testis. Stratified germinal epithelium lines the convoluted portion of the seminiferous tubules; simple columnar epithelium (Sertoli cells) lines the straight portions of the seminiferous tubules. Simple cuboidal epithelium lines the rete testis in the mediastinum. 100x

Rete testis
Changes in epithelium help to differentiate the intratesticular passages seen in this fetal testis. Stratified germinal epithelium lines the convoluted portion of the seminiferous tubules; simple columnar epithelium (Sertoli cells) lines the straight portions of the seminiferous tubules. Simple cuboidal epithelium lines the rete testis in the mediastinum. 100x