23. The pancreas.
24. The stomach.
26. Cross section of the intestines.
27. The urinary bladder.
28. The entrance into this of the ureter or canal from the kidney.
29. Cross sections of the pubic bone.
30. The canal of the urethra leading into the bladder.
31. The penis.
32. The spinal cord.
33. The bones composing the spinal column.