The anus is the opening of the rectum through which stool passes out of your body. Problems with the anus are common. They include hemorrhoidsabscessesfissures cracksand cancer.
The human anus from Latin anus meaning "ring", "circle"   is the external opening of the rectum. Two sphincters control the exit of feces from the body during an act of defecationwhich is the primary function of the anus. These are the internal anal sphincter and the external anal sphincterwhich are circular muscles that normally maintain constriction of the orifice and which relaxes as required by normal physiological functioning.
Hi, I currently have something wrong with my anus hole and its an issue thats been affecting me for around 6 months now and its been causing a lot of stress throughout this period. I'm an 18 year old male. Now I don't actually have any pain whatsoever associated with this, the only issue its causing me is I find it harder to pass stools, I wouldn't go as far to say I'm constipated but Its defiantly more difficult as my anus seems to be narrower and swelled.
Anorectal malformations are birth defects, or problems that happen as an unborn baby is developing during pregnancy. They are the lower part of the digestive tract. Ano means the anus.
The human body is an amazing thing. For each one of us, it's the most intimate object we know. And yet most of us don't know enough about it: its features, functions, quirks, and mysteries.
Gastrointestinal Health Haemorrhoids. Haemorrhoids are enlarged, congested veins just under the surface tissue of your rectum the last part of your bowel or your anus the opening of your bowel. Haemorrhoids that occur in your rectum are called internal haemorrhoids, and those that occur around your anus are called external haemorrhoids.
The anus from Latin anus meaning "ring", "circle" is an opening at the opposite end of an animal's digestive tract from the mouth. Its function is to control the expulsion of fecesunwanted semi-solid matter produced during digestion, which, depending on the type of animal, may include: matter which the animal cannot digest, such as bones ;  food material after all the nutrients have been extracted, for example cellulose or lignin ; ingested matter which would be toxic if it remained in the digestive tract; and dead or excess gut bacteria and other endosymbionts. Amphibians, reptiles, and birds use the same orifice known as the cloaca for excreting liquid and solid wastes, for copulation and egg -laying.
The first rule of anal play is lube, lube, and more lube. Rectums do not produce their own lubricant the way vaginas do, so if you're going to be sticking anything up your bum you need to grease it up first. Everyone has their own preferences when it comes to lube. For anal play many folks myself included prefer lubes which are thicker and have more 'staying power.
Back to Health A to Z. Anal pain pain in the bottom can be distressing, but is often just the result of a minor, treatable condition. Anal fissures can be very painful, but many heal on their own in a few weeks.