The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver...

food into the small compounds that the body can use. In the human digestive system, food enters the mouth and mechanical digestion of the food starts...

Digestive system surgery, or gastrointestinal surgery, can be divided into upper GI surgery and lower GI surgery. Upper gastrointestinal surgery, often...

microbial actions. The process, which takes place in the front part of the digestive system and therefore is called foregut fermentation, typically requires the...

Digestive system neoplasms are tumors which affect the digestive system. There are many different and various pathologic classification for digestive...

contains the gills (ctenidia) and openings from the excretory, digestive and reproductive systems. An inhalant siphon behind the funnel draws water into the...

insectivorous or carnivorous and have simple and comparatively short digestive tracts due to meat being fairly simple to break down and digest. Digestion...

Entomology – Digestive and Excritory system". NC state University. Retrieved 2009-05-03. Terra, Walter R.; Ferreira, Clélia (2009), "Digestive System", Encyclopedia...

but may be drawn to gatherings of singing males, much like a lek mating system. Another possibility is that songs bring in foreign whales to populate the...

Ecdysozoa. Unlike the vaguely similar flatworms, nematodes have a tubular digestive system, with openings at both ends. Like tardigrades, they have a reduced...

evolution of the digestive system has formed a significant influence in mammal evolution. With the emergence of mammals, the digestive system was modified...

The digestive system of gastropods has evolved to suit almost every kind of diet and feeding behavior. Gastropods (snails and slugs) as the largest taxonomic...

This is a list of the main organ systems in the human body. Circulates blood around the body via the heart, arteries and veins, delivering oxygen and...

endocrine and nervous systems, as well as sensory organs, temperature control, flight and molting. An insect uses its digestive system to extract nutrients...

gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the...

dairy cows at about five years. Cattle are ruminants, meaning their digestive system is highly specialized for processing plant material such as grass rich...

of") is the branch of medicine focused on the digestive system and its disorders. The digestive system consists of the gastrointestinal tract, sometimes...

development of a beak has led to evolution of a specially adapted digestive system. Birds have many bones that are hollow (pneumatized) with criss-crossing...

distances each day in order to obtain adequate nutrition. Therefore, the digestive system of a horse is about 30 m (100 ft) long, and most of this is intestines...

canine digestive system are: Mouth Tongue Esophagus Stomach Liver Pancreas Large intestine Small intestine Rectum Anus Dog cecum Dog digestive tract Dog...

Vertebrate Digestive System. Cambridge University Press. ISBN 9780521617147. Retrieved 23 March 2018 – via Google Books. "Cat Digestive System is integral...

The development of the digestive system in the human embryo concerns the epithelium of the digestive system and the parenchyma of its derivatives, which...

p. 678–679. ISBN 978-0-03-030504-7. Morton, Brian. "Bivalve: The digestive system and nutrition". Encyclopædia Britannica. Retrieved 7 May 2012. Tëmkin...

of Ruminantia have four-chambered stomachs. The handicap of a heavy digestive system has increased selective pressure towards limbs that allow the animal...

caries). Oral symptoms can be similar to lesions occurring elsewhere in the digestive tract, with a pattern of swelling, inflammation, ulcers, and fissures...

amounts of time to fully digest before being excreted from the body. This digestive gland passes secretions through the vental lobe and into the duodenum...

nematodes, bacteria, fungi and other microorganisms. An earthworm's digestive system runs the length of its body. They are one of nature's most important...

Digestive enzymes take part in the chemical process of digestion, which follows the mechanical process of digestion. Food consists of macromolecules of...

verification] Endoscopy may be used to investigate symptoms in the digestive system including nausea, vomiting, abdominal pain, difficulty swallowing,...

groups based on the relative size of various digestive organs in relationship to the rest of the system: colonic fermenters tend to be larger species...