AskDefine | Define ingest

Dictionary Definition

ingest

Verb

1 serve oneself to, or consume regularly; "Have another bowl of chicken soup!"; "I don't take sugar in my coffee" [syn: consume, take in, take, have] [ant: abstain]
2 take up mentally; "he absorbed the knowledge or beliefs of his tribe" [syn: absorb, assimilate, take in]

User Contributed Dictionary

English

Pronunciation

Verb

  1. To take into, or as into, the stomach or alimentary canal.

Translations

to take into, or as into, the stomach or alimentary canal

Usage notes

  • Often used in labelling of chemical products. Common phrase: "Do not ingest," meaning "Do not take in / Do not swallow."

Extensive Definition

Ingestion is the consumption of a substance by an organism. In animals, it normally is accomplished by taking in the substance through the mouth into the gastrointestinal tract, such as through eating or drinking. In single-celled organisms, ingestion can take place through taking the substance through the cell wall.
Besides nutritional items, other substances which may be ingested include medications, recreational drugs, and substances considered inedible such as foreign bodies or excrement. Ingestion is a common route taken by pathogenic organisms and poisons entering the body.
Ingestion can also refer to a mechanism picking up something and making it enter an internal hollow of that mechanism, e.g. "a grille was fitted to prevent the pump from ingesting driftwood".

Pathogens

Some pathogens are transmitted via ingestion, including viruses, bacteria, and parasites. Most commonly, this takes place via the fecal-oral route. An intermediate step is often involved, such as drinking water contaminated by feces or food prepared by workers who fail to practice adequate hand-washing, and is more common in regions where untreated sewage is common. Diseases transmitted via the fecal-oral route include hepatitis A, polio, and cholera.
Some pathogenic organisms are typically ingested by other routes.
  • Larvae of the parasite Trichinella encyst within muscles and are transmitted when a new host eats the infected flesh of a former host animal.
  • The parasite Dracunculus is ingested in drinking water, which is contaminated with larvae released as the parasite emerges from the host's body.
  • The bacterium Salmonella most commonly infects humans via consumption of undercooked eggs.

Toxins

Foreign objects

Disk batteries, also called button cells, are often mistakenly ingested, particularly by children and the elderly. They may be mistaken for a medication pill because of their size and shape, or they may be swallowed after being held in the mouth while the battery is being changed. Battery ingestion can cause medical problems including blocked airway, vomiting, irritability, persistent drooling, and rash (due to nickel metal allergy).
Pica is an abnormal appetite for non-nutritive objects or for food items in a form not normally eaten, such as flour. Coprophagia is the consumption of feces, a behavior common in some animals.

References

ingest in German: Ingestion
ingest in French: Ingestion

Synonyms, Antonyms and Related Words

ablate, absorb, assimilate, bleed white, burn up, consume, deplete, devour, digest, dispatch, dispose of, down, drain, drain of resources, drink, drink in, eat, eat up, engorge, engulf, erode, exhaust, expend, feed on, finish, finish off, get away with, get down, gobble, gobble up, gulp, gulp down, imbibe, impoverish, ingurgitate, meal, partake of, percolate in, put away, seep in, soak in, soak up, spend, squander, suck dry, surround, swallow, swallow up, swill, swill down, take, take down, take in, tuck in, use up, waste away, wear away, wolf down
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