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The distinctive odor of feces is due to bacterial action. Bacteria produce compounds such as indole, skatole, and mercaptans, which are rich in sulfur, as well as the inorganic gas hydrogen sulfide. These are the same compounds that are responsible for the odor of flatulence.
The word faeces is the plural of the Latin word faex, and means "dregs".
Feces are also known as scat and scatology is the study of feces. Excrement is also another word for feces.
Feces are generally a taboo subject (see toilet humour). This is probably because of the need to keep feces well away from food, for health reasons. The word shit is a vulgar term for feces in EnglishThe English language is a West Germanic language, originating from England. It is the third most common "first" language (native speakers), with around 402 million people in 2002. English has lingua franca status in many parts of the world, due to the mil.
CoprophiliaCoprophilia is a paraphilia consisting of the condition of feeling sexual excitement focused on feces, often in conjunction with BDSM or infantilism. Alternative terms include scat fetishism and scat play which share a root with the scientific and literar is a sexual attraction to feces. CoprophagiaCoprophagia is the consumption of feces. It is a practice common to several animals, including, in rare cases, humans (see below). Coprophagia in non-human animals Coprophagia is a behavior sometimes observed, with considerable disgust, by dog owners. is the extremely hazardous practice of eating feces. MeconiumMeconium (also spelled merconium) is the first feces of a newborn. It is a black, sticky substance. Regular feces appear a few days after birth. The name literally means " poppy juice" in Latin. See also Meconium aspiration syndrome. (also spelled merconium) is a newborn baby's first feces, and is normally passed post-partum. There is a danger that aspiration (inhalation) of meconium can occur if it is passed during labor and deliveryChildbirth (also called labour birth or parturition is the culmination of pregnancy, the emergence of a child from its mother's uterus. It can be considered the opposite of death, as it is the beginning of a person's life. Age is defined relative to this. Inhaled meconium can cause a partial or complete blockage of the newborn's airways, and the severity depends on the amount of meconium the baby aspirates. Meconium aspiration affects around 20 percent of all newborn babies worldwide.Fossilized feces are known as coprolites, and form an important class of objects studied in the field of paleontology.
In the medical profession, feces are referred to as stools. This comes from the Anglo-Saxon word stol, which means "seat". The word stool was originally used to describe the seat one sat on to defecate. So, the expression was that they were "going to stool." By the end of the 16th century, the word stool was used to mean the same thing as feces.
Feces will usually be required for microbiological testing, looking for an intestinal pathogen .
Biochemical tests done on feces include fecal elastase and fecal fat measurements, as well as tests for fecal occult blood.
It is recommended that the clinician correlate the symptoms and submit specimen s according to laboratory guidelines to obtain results that are clinically significant. Formed stools often do not give satisfactory results and suggest little of actual pathologic conditions.
Three main types of microbiological tests are commonly done on feces:
Routine culture involves streaking the sample onto agar plates containing special additives, such as MacConkey's Agar , that will inhibit the growth of Gram-positive organisms and will selectively allow enteric pathogens to grow, and incubating them for a period, and observing the bacterial colonies that have grown.
Yellowing of feces can be caused by an infection known as giardia. Giardia are tiny parasitic organisms. If giardia infects the intestines it can cause severe yellow diarrhea. This is a dangerous communicable infection and must be reported.
Another cause of yellowing is a condition known as Gilbert's Syndrome. This condition is characterized by jaundice and hyperbilirubinemia. Hyperbilirubinemia occurs when too much bilirubin is present in the circulating blood.
Feces can be black if dried blood is present in them from a bleed. More active bleeding can lead feces to be red in color.
In children with certain illnesses, Feces can be blue or green. Babies also produce green feces when they are given food for the first time.
The main pathogens that are commonly looked for in feces include:
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