Digestive

14 structures

Liver

OrganDigestive

The liver is the largest internal organ, weighing approximately 1.5 kg in adults, located in the right upper quadrant beneath the ...

Stomach

OrganDigestive

The stomach is a J shaped muscular organ between the esophagus and duodenum, with four regions cardia, fundus, body, and pylorus. ...

Small Intestine

OrganDigestive

The small intestine is approximately 6 to 7 meters long in vivo shorter post mortem due to muscle relaxation and has three segment...

Large Intestine

OrganDigestive

The large intestine colon is approximately 1.5 meters long and includes the cecum, ascending colon, transverse colon, descending c...

Esophagus

OrganDigestive

The esophagus is a muscular tube approximately 25 cm long connecting the pharynx to the stomach. It passes through the diaphragm a...

Gallbladder

OrganDigestive

The gallbladder is a pear shaped sac approximately 7 to 10 cm long located under the liver, storing and concentrating bile between...

Salivary Glands

OrganDigestive

The major salivary glands produce approximately 1 to 1.5 liters of saliva daily. Three pairs: parotid largest, near the ear, Stens...

Teeth

OrganDigestive

Adults have 32 teeth: 8 incisors cutting, 4 canines tearing, 8 premolars crushing, 12 molars grinding including 4 wisdom teeth thi...

Liver Lobules

StructureDigestive

The hepatic lobule is the functional unit of the liver. The classic lobule is hexagonal with a central vein and portal triads at e...

Duodenum

OrganDigestive

The duodenum is the first and shortest part of the small intestine, forming a C shaped curve around the head of the pancreas betwe...

Rectum

OrganDigestive

The rectum is the final straight section of the large intestine, lying in the pelvis in front of the sacrum and continuing from th...

Bile Ducts

StructureDigestive

The bile ducts, or biliary tree, are a network of tubes that carry bile from the liver to the small intestine. Tiny bile canalicul...

Peritoneum

StructureDigestive

The peritoneum is the largest serous membrane in the body. Its parietal layer lines the inner walls of the abdomen and pelvis, and...

Bile

FluidDigestive

Bile is a yellow green fluid produced continuously by liver cells, stored and concentrated in the gallbladder, and released into t...