It's related to anal retentive fixation, which is supposedly the result of unresolved conflicts between you and your caregivers during potty training But like so many things Freud thought it's kind of bogus.

这与肛门固着有关，据说这是源于便盆训练期间，你与看护者之间未解决冲突。但像弗洛伊德认为很多事情一样，这并非事实。

Symptoms of cauda equina include decreased bowel and bladder control due to a decreased tone of anal sphincters and muscle wall of the bladder and decreased sexual function.

马尾神经综合征症状，包排便和膀胱控制能力；这是由于肛门肌和膀胱壁肌肉张力下降引起，以性功能下降。

The gastrointestinal tract is made up of the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and finally the anal canal.

消化道构成包：口腔、咽、食管、胃、小肠、大肠以肛管。

16 and 18 have been associated with cervical cancers and other types of cancers, including anal cancer and penile cancer.

HPV 16 型和 18 型与宫颈癌癌症（如肛门癌和阴茎癌）相关。

During life's three billion-plus year journey on Earth, anal evolution happened independently many times in different branches of life.

在生命在地球上 30 亿多年旅程中，肛门进化在不同生命分支中独立发生了许多次。

These parasympathetic neurons make the rectum contract and the internal anal sphincter relax.

这些副交感神经元可以使直肠收缩，并使肛门肌松弛。

Meanwhile, signals are sent to the brainstem and thalamus, and when these decide the right moment has come, they allow the external anal sphincter to relax - and feces goes, hopefully, into the toilet bowl.

直肠发出信号同时也发送到了脑干和丘脑；当它们认定“时机成熟”时，便会下达指令使肛门外肌松弛；粪便就能——不出意外话——顺利排入马桶。

So, for instance, there's no evidence that oral and anal characteristics, the personality characteristics I talked about – about being needy versus being stingy – relate in any interesting way to weaning or toilet training.

因此，例如，没有证据表明口腔和肛门特征，我谈到性格特征——关于需要和吝啬——以任何有趣方式与断奶或如厕训练相关。

If it starts to rot, or you start to snack on this body, you'll have to cover the stench of decomposition with your own anal secretions so that other hungry, desperate, overworked parents don't come looking for your lunch.

如果开始腐烂， 或者你开始啃食这具尸体，你就得用自己肛门分泌物来掩盖腐败气味， 以免饥饿、绝望、劳累父母前来抢夺你午餐。

After 25 years, they were successful in developing the HPV vaccine, which first became available in 2006 and is now widely used to protect against cervical and anal cancers and some kinds of mouth and throat cancer.

经过25年努力， 们成功研发了HPV疫苗，该疫苗于2006年首次问世， 现已被广泛用于预防宫颈癌、肛门癌以某些类型口腔和咽喉癌。

There's a level of hoarding and control issues that come from people that are, and people call this show, and they're so anal, and they're just like, oh my God, chill, you're okay.

确实，还有那些极端节人， 对吧？ 这些人往往伴随着囤积和控制欲问题，人们称这种现象为“强迫症” ，们过于拘谨， 旁人看着都觉得，天哪，放松点，你这样挺好。 但们就是在这方面绷得太紧，这对心理健康不利。

Fart also has a relative in Ancient Greek  and that brings us on to one of the many clandestine anal excretions buried  in our language: the word partridge.

放屁一词在古希腊语中也有一个同源词，这引出了我们语言中许多隐秘肛门排泄物之一：鹧鸪这个词。

More familiarly, it is the holobiont nature of dogs, and also hyenas and other carnivores with anal glands, that enables them to communicate via scent marks.

更为人熟知是， 狗、鬣狗拥有肛腺食肉动物共生体特性，使它们能够通过气味标记进行交流。 它们以此方式留下气味， 是由细菌对这些腺体分泌物降解作用产生。

Over time, Crohn's disease can lead to other complications, including bowel obstruction, ulcers, fistulas, anal fissures, malnutrition, and other health problems.

随着时间推移，克罗恩病可能导致并发症，包肠梗阻、溃疡、瘘管、肛裂、营养不良和健康问题。

The kidneys belong to the element water; they are called jen and kuei, and they are anal- ogous to the black emperor of the north.

肾脏属于水元素；它们被称为‘壬’和‘癸’， 类似于北方黑帝。