弯曲菌属螺旋菌族,分空肠、小肠、结肠及胎儿、粪、唾液五型弧菌,仅前三型可致人类发病.尤以空肠弯曲菌为主。弯曲菌是G-短弧状菌,具运动力,呈逗点状与海鸥展翅状,长1.5～3.5毫微米,无芽孢,有鞭毛,需氧,培养基需含3～15％的氧。其生长不需血清与碳水化合物,而从氨基酸获取能量。不产生与氧化碳水化合物,不产酸或中性终末产物,不能水解明胶或尿素。有报告用血琼脂培养加万 Campylobacter spirochaete, min jejunum, small intestine, colon and fetus, feces, saliva Vibrio type 5, only the first three types of human disease can be caused, especially Campylobacter jejuni-based. Campylobacter is a G-short arc-like bacteria, with athletic ability, showing comma-shaped wings and seagull-like, 1.5 to 3.5 nm long, spores, flagella, aerobic, medium containing 3 to 15% oxygen. Its growth does not require serum and carbohydrates, but gain energy from amino acids. Does not produce oxidized carbohydrates, acid-producing or neutral end products, can not hydrolyze gelatin or urea. There are reports plus blood agar plus million