Digestive system Back

Division of the cloaca





1. Anal membrane
2. Anus
3. Perineum
4. Wall of proctodeum
5. Rectum
6. Urethra
7. Urorectal septum

Technique: Paraffin section
Staining: Alcian-kernechtrot
Orientation: Longitudinal section
Developmental age: 8 weeks
Magnification (objective): x10