liver with gallbladder, pancreas spleen and duodenum, asian doctor holding human anatomy model for study diagnosis and treatment

adrenal anatomical anatomy anus appendix asian biology bladder body bowel bronchus cecum colon diagnosis digestion disease doctor duodenum esophagus gall gallbladder gastrointestinal gland health healthy hospital human internal intestine kidney liver lung medical medicine model organ pancreas patient rectum science small spleen stomach stone surgery system treatment urethra viscera