The anus is the end of the large intestine, below the rectum, through which stool (solid waste) leaves the body. The anus is formed partly from the outer skin layers of the body and partly from the intestine. Two ring-like muscles, called sphincter muscles, open and close the anal opening and let stool pass out of the body. The anal canal, the part of the anus between the rectum and the anal opening, is about 1-1½ inches long.
OK, so here’s where we get into some interesting G-spot and P-spot territory. The G-spot is thought to be a cluster of vaginal, urethral, and clitoral tissues and nerves, Dr. Chinn says. While the exact location of this cluster varies from person to person, some people can feel it when they put pressure on the front vaginal wall, about one or two inches inside the vagina. The emphasis here is on “some.” There’s actually a pretty big debate about the G-spot in the sex education and medical fields.
If done right, absolutely. While it’s true that anal is one of the riskiest types of sex, in terms of spreading sexually transmitted disease – including HIV – if you follow safe sex practices and do it with someone you trust and respect (even better, someone you love), it’s perfectly safe. Go slow, be gentle, listen to each other, use lots of lube, and wear a condom and you’ll be fine.
In animals at least as complex as an earthworm, the embryo forms a dent on one side, the blastopore, which deepens to become the archenteron, the first phase in the growth of the gut. In deuterostomes, the original dent becomes the anus while the gut eventually tunnels through to make another opening, which forms the mouth. The protostomes were so named because it was thought that in their embryos the dent formed the mouth first (proto– meaning "first") and the anus was formed later at the opening made by the other end of the gut. More recent research, however, shows that in protostomes the edges of the dent close up in the middle, leaving openings at the ends which become the mouth and anus.[2]

14. “Part of it is the taboo aspect. It is more intimate in a way because we are letting down all our borders regarding what is ‘normal.’ It’s our dirty little secret. Everyone assumes we have sex, but most people wouldn’t assume she lets me cum in her ass. I think another thing is a certain level of trust that must be present, and that she trusts me to not just drive it home at the starting gun. The bit of pain she may experience in the beginning might seem reminiscent of a woman’s ‘first time,’ and my carnal desire to have my way with her overtaking my normal instinct to not hurt her. The feeling that she is giving up some of her humility for my pleasure, and that I am doing to her as I please. That is the attraction in real life. In porn, however, the attraction to anal is different for me. I’m more into the mindset of how it is not the norm, how I bet it feels good from the side of the penis-bearer, and what a nasty little slut she is. I’m attracted to the idea that she wouldn’t object.”
For your first time, Hutcherson says spooning is better than doggy-style. “For those just starting out, I think getting on all fours might be a little too intense. Lying on your side in the spooning position won’t allow penetration that’s as deep. It’s also a more relaxing position. When you become more comfortable, the doggie is the easiest way for a woman to orgasm.” And don’t forget to breathe. Says O’Reilly, “As you breathe deeply, your inner sphincter muscle will relax to facilitate penetration.”
6. Pay attention the butt cheeks too! Just because your ultimate goal is the butthole, doesn’t mean you should totally ghost your partner’s butt cheeks. Sadie Allison, founder of TickleKitty.com and author of Tickle My Tush–Mild-to-Wild Analplay Adventures for Every Booty, recommends starting off with a sensual booty massage. Using lube, “place your thumbs in the creases where the legs meet the butt cheeks and glide your thumbs along the crease from the inner thigh area to the outer side. Lift and repeat. Then, put your palms together in "prayer position," placing them on their tailbone and gliding up and down their buttcrack."
Chemotherapy is a cancer treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping the cells from dividing. When chemotherapy is taken by mouth or injected into a vein or muscle, the drugs enter the bloodstream and can reach cancer cells throughout the body (systemic chemotherapy). When chemotherapy is placed directly into the cerebrospinal fluid, an organ, or a body cavity such as the abdomen, the drugs mainly affect cancer cells in those areas (regional chemotherapy). The way the chemotherapy is given depends on the type and stage of the cancer being treated.
Strong views are often expressed about anal sex. It is controversial in various cultures, especially with regard to religious prohibitions. This is commonly due to prohibitions against anal sex among males or teachings about the procreative purpose of sexual activity.[5][7] It may be considered taboo or unnatural, and is a criminal offense in some countries, punishable by corporal or capital punishment.[5][7] By contrast, people also see anal sex as a natural and valid form of sexual activity that may be as fulfilling as other desired sexual expressions, and as an enhancing or primary element of their sex lives.[5][7]
A tiny mite nicknamed the “human itch mite” causes this rash. The bugs burrow into the top layers of your skin to feed. People usually get scabies from skin-to-skin contact. It spreads quickly where people spend a lot of time close together, like in day-care centers, dormitories, and nursing homes. Sharing clothes, towels, and bedding can spread it, too. Like pinworms, your doctor may suggest treating the family if one member has it.
Repetitive penetrative anal sex may result in the anal sphincters becoming weakened, which may cause rectal prolapse or affect the ability to hold in feces (a condition known as fecal incontinence).[3][92] Rectal prolapse is relatively uncommon, however, especially in men, and its causes are not well understood.[94][95] Kegel exercises have been used to strengthen the anal sphincters and overall pelvic floor, and may help prevent or remedy fecal incontinence.[3][96]
The other benefit of starting slow is that you'll build arousal, Pitagora says. "Use slow and gentle stimulation of the area around the anus, the anus, the area just inside the anus, and of the prostate (if your partner has one)," they say. Being fully aroused makes any sexual experience better, but in the case of anal sex it will also help you relax.
Most women have a little wild streak in them and want to be a bad girl from time to time. "There's something alluring and mysterious about the dark side of desire. I personally swing between being the sexual dominant (including occasionally pegging my man) to being the submissive (which frequently includes having my guy's dick in my butt!)," says Singer.
Repetitive penetrative anal sex may result in the anal sphincters becoming weakened, which may cause rectal prolapse or affect the ability to hold in feces (a condition known as fecal incontinence).[3][92] Rectal prolapse is relatively uncommon, however, especially in men, and its causes are not well understood.[94][95] Kegel exercises have been used to strengthen the anal sphincters and overall pelvic floor, and may help prevent or remedy fecal incontinence.[3][96]
Abdominoperineal resection: A surgical procedure in which the anus, the rectum, and part of the sigmoid colon are removed through an incision made in the abdomen. The doctor sews the end of the intestine to an opening, called a stoma, made in the surface of the abdomen so body waste can be collected in a disposable bag outside of the body. This is called a colostomy. Lymph nodes that contain cancer may also be removed during this operation.
General statistics indicate that 70–80% of women require direct clitoral stimulation to achieve orgasm.[11][25][26] The vaginal walls contain significantly fewer nerve endings than the clitoris (which has many nerve endings specifically intended for orgasm), and therefore intense sexual pleasure, including orgasm, from vaginal sexual stimulation is less likely to occur than from direct clitoral stimulation in the majority of women.[27][28][29] The clitoris is composed of more than the externally visible glans (head).[2][30] The vagina, for example, is flanked on each side by the clitoral crura, the internal legs of the clitoris, which are highly sensitive and become engorged with blood when sexually aroused.[31][32][33] Indirect stimulation of the clitoris through anal penetration may be caused by the shared sensory nerves, especially the pudendal nerve, which gives off the inferior anal nerves and divides into the perineal nerve and the dorsal nerve of the clitoris.[4] Although the anus has many nerve endings, their purpose is not specifically for inducing orgasm, and so a woman achieving orgasm solely by anal stimulation is rare.[34][35]
The other benefit of starting slow is that you'll build arousal, Pitagora says. "Use slow and gentle stimulation of the area around the anus, the anus, the area just inside the anus, and of the prostate (if your partner has one)," they say. Being fully aroused makes any sexual experience better, but in the case of anal sex it will also help you relax.
She recommends buying the disposable plastic bottles at drug stores, but emptying out the solution that comes with it because you don’t actually need a chemical laxative. Once you have the bottle, rinse it out several times, fill it with warm water (cold water can cause cramping), and follow the instructions for how to use it. Then do it a few times prior to anal sex.
The anal sphincter acts as a bit of a gatekeeper for the rectum. For anal sex, however, it’s important that this muscle relaxes. Not only does it make the experience more pleasurable, it reduces the risk of tearing or discomfort. Relaxation involves patience, both at the time you’re attempting penetration, and as you become more accustomed to anal sex.
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