Capsule subglobose, ca. 9 mm in diam., valves slightly smooth and flat, not obviously angulate.

蒴果近球形，长约9毫米直径，裂爿稍变平静，平，不显而易见具棱。

Herbs annual. Stems decumbent or erect, 30-90 cm tall, branched, angulate , with sparse retrorse prickles along angles.

一年生草本茎外倾或直立，30-90厘米高，分枝，具棱，具稀的反折的皮刺沿着棱。

Independently, the present invention provides methods and mechanisms in which the chin support can angulate independently of the collar body.

独立地，本发明提供了下腭部可独立于圈体成 角度的方法和机构。

Main Outcome Measurements: The capsule was manipulated in the esophagus for 10 minutes. It was easy to make the capsule turn somersaults and to angulate at the cardioesophageal junction.

主要检测指标：食管内操作胶囊内镜10分钟，观察显示胶囊内镜很容易在食管内翻跟头以及在胃贲门食管连接处转角。