Ingestion

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Ingestion is the consumption of a substance by an

single-celled organisms, ingestion takes place by absorbing a substance through the cell membrane
.

Besides nutritional items, substances that may be ingested include medication (where ingestion is termed oral administration), 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

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.

Foreign objects

Foreign body in esophagus

airway, vomiting, irritability, persistent drooling, and rash (due to nickel metal allergy).[4]

Abnormal ingestion

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, an abnormal ingestive behavior common in some animals.

References

  1. ^ "Trichinellosis". Centers for Disease Control & Prevention. 2004. Archived from the original on 2013-12-09. Retrieved 2007-04-17.
  2. ^ "Dracunculiasis". Centers for Disease Control & Prevention. 2005. Archived from the original on 2007-04-28. Retrieved 2007-04-17.
  3. PMID 15705332
    .
  4. ^ "Battery Ingestion". eMedicineHealth.com. August 10, 2005. Retrieved 2007-04-15.