As buggery and the former theater at the spread of sexually transmitted diseases may have, in your性伴your penis and anus position before the close contact they should wear a condom - even if he does not insert.

由于肛交以及前戲時都有可能傳播性病，在你的性伴的陰莖和你的肛門部位親密接觸前就應戴上安全套－即使他并不會插入自拍另类图区亚洲制服。

Levator ani and to do exercise, but also in the hands of self-massage臨睡前coccyx Changqiang sharp points.

并可做提肛鍛煉，也可在臨睡前用手自我按摩尾骨尖的長強穴位。

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In order to study the factors related to Enterobius infection among per-schoolchildren, a structural questionnaire with multi-stages and a random sampling was designed to interview parents of 702 pre-schoolchildren. The questionnaire included personal information of the children: their educational background and parents' occupation; the status of their housing; their handwashing habits, and their frequency and habits of bathing, etc. In addition, the children's pinworm infections were examined using two-consecutive-day adhesive cellophance paper perianal swabs. Variables causing the pinworm infection among infected and noninfected children were analyzed by x2-test and multi-variable tests including discriminant analysis and stepwise multiple regression.

為了解學齡前兒童蟯蟲感染之因素欧美性爱与欧美性爱，以結(jié)構(gòu)型問卷多步驟隨機抽樣訪視702名學齡前兒童的家長www.c黄，問卷的內(nèi)容包括：兒童個人資料、兒童父母親教育程度欧美老妇乱惀、職業(yè)激情你懂的、住屋情形、臥室分配情形国际一级黄色片、手部衛(wèi)生習慣色综合Aⅴ在线、洗澡習慣等，并以連續(xù)兩天玻璃膠紙肛圍擦拭法〈two-consecutive-day adhesive cellophane paper perianal swabs〉檢查兒童的蟯蟲感染情形国产精品日韩综合无码专区，兒童蟯蟲感染與各單變項的相關(guān)在线播放黄，以卡方檢定〈x2-test〉分析，而多變項的分析則以判定分析〈discriminant analysis〉及逐步復回歸〈stepwise multiple regression〉進行分析免费观看国产又粗又大又爽视频。

Background: Rectocele is a common anorectal disease in women, and its relationship with functional defecation disorders is not yet clear.

背景：直腸前膨出是一種多見于女性的肛腸疾病亚洲无码视频专区，與功能性排便障礙的關(guān)系目前尚不明。

Colon anal disease:① congenital diseases, such as Hirschsprung's disease;② mesocaval narrow, such as inflammatory bowel disease, trauma and post-intestinal anastomosis narrow, and the transfer of tumor-induced intestinal stenosis;③ exports obstruction, such as the pelvic floor achalasia, rectal intussusception, perineal decline rectocele and so on;④ anal and perianal diseases, such as anal fissure, hemorrhoids, etc.;⑤ Others: such as irritable bowel syndrome.

大腸肛門病：①先天性疾病国产专区手机在线观看精品，如先天性巨結(jié)腸大乳喷奶水www；②腸腔狹窄，如炎性腸病BBBWWW性欧美、外傷后期及腸吻合術(shù)后的狹窄一级做a爰片性色毛片侧宿摄拍、腫瘤及其轉(zhuǎn)移所致腸狹窄；③出口性梗阻操熟女逼，如盆底失弛緩癥美国一级淫片、直腸內(nèi)套疊、會陰下降成人版麻豆无线视频在线看免费、直腸前突等精品综合日韩久久久久久久；④肛管及肛周疾病，如肛裂欧美一级久久、痔等99久久99国产免热在播；⑤其他：如腸易激惹綜合征。

Methods A total of 95 patients with clinically suspected complex fistula-in-ano underwent preoperative digital examination and MRI with hyponome in rectum and phased array coils.

方法應用直腸腔內(nèi)水囊結(jié)合相控陣線圈www.taohongbei.com，對95例臨床診斷為復雜性肛瘺的患者生活A片，術(shù)前進行MRI檢查。

Several basic tenrts of otolith research have been questioned recently with regard to eel metamorphosis.specifically,some researchers have suggested that otolith increment formation is not daily,and otolith material may be resorped during metamorphosis.we conducted a rearing experiment to test the hypothesis that increment formation is daily and that the otolith continues to grow during eel metamorphosis.we marked the otolith of wild-caught leptocephali and reared these fish through metamorphosis.metamorphosis was characterized by a decreasing standard length,pre-anal length,and body depth accompanied by an increase in pigmentation and a change in behavior.

最近學者關(guān)注的鰻的耳石的研究的幾個最基本的問題涉及到鰻的變形一级A片一级毛片一级人6。尤其是很多研究者認為耳石的日輪沉積并非是每天的久久国产自偷免费播放，耳石的材質(zhì)可能是會在變態(tài)過程中被重吸收一部分。我們做了個養(yǎng)殖的實驗來測試鰻鱺耳石的形成的每天一輪而且在鰻鱺的變態(tài)發(fā)育階段耳石是在繼續(xù)生長的白白在线发布。我們標記了野外捕撈的蠕鰻幼體99精品无码午夜福利理论片，養(yǎng)過變態(tài)期女人一边做一边潮喷30p。變態(tài)期是通過標準長度国产视频黄，肛前長和體高的減少和色素的減少以及行為的變化來定義的。

Methods:One hundred asymptomatic nulliparous premenopausal women underwent a MRI scan of their pelvis.

選擇 10 0例未生育絕經(jīng)前健康婦女進行盆腔MR掃描在线观看免费A片视频，研究肛提肌的起止在线视频激情、走向、厚度及其功能蜜桃视频未满在线观看免费。

The technique of transanal repair in combination with transvaginal repair for the treatment of rectovaginal fistula complicated by anterior resection is effective and safe, no requirement to divide the perineal body and anal sphincter, with less postoperative complications and no incontinence.

采用經(jīng)肛結(jié)合經(jīng)陰道修補治療直腸癌前切除引起的單純性直腸陰道瘺是安全有效的久久小视频，不需要切斷會陰體和肛門括約肌，并發(fā)癥少激情熟妇无码视频，無肛門失禁發(fā)生A片一级毛片。

calyx：萼部

單體的內(nèi)肛動物身體分為萼部(calyx)一级特黄A片在线观看、柄部(sta蜉蝣 有翅亞綱的 1目. 通稱蜉蝣. 小至中型昆蟲,頭小,體軟弱;翅2對或1對,膜質(zhì),大多前翅大后翅小;腹部末端有長尾須兩條,中尾絲或有或無. 屬古生翅類. 最早發(fā)現(xiàn)的是石炭紀古蜉蝣化石號稱活化石.

hammock：吊床

其主要內(nèi)容是盆底有關(guān)肌肉和器官做為一個整體參與尿道閉合機制,主要通過三種方式:①前恥尾肌托起陰道前壁壓迫尿道;②膀胱頸被以陰道為基礎(chǔ)的向后向下的收縮所關(guān)閉;③盆底肛提肌板在自主控制下,向上牽拉"吊床"(hammock)結(jié)構(gòu),關(guān)閉膀胱頸.

acron：頂節(jié)

身體最前一節(jié)稱為頂節(jié)(acron),最末一節(jié)稱為尾書(telson=pygidium),肛門位于其腹面或末端,因此又稱肛節(jié)(anal segment)(頂節(jié)和尾節(jié)也出現(xiàn)于環(huán)節(jié)動物,頂節(jié)就是環(huán)節(jié)動物的口前葉).

proctodaeal：原肛的;肛道的

前環(huán)狀軟骨 procriciod | 原肛的;肛道的 proctodaeal | 肛道內(nèi)陷 proctodaeal invagination

procumbent：伏臥的

proctotresia 鎖肛穿孔術(shù) | procumbent 伏臥的 | procurvation 前彎