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Creative Biolabs has successfully developed SARS, MERS and other anti-viral antibodies in the past to assist scientific research. Facing the difficult COVID-19, Creative Biolabs actively invests in antibody development to assist researchers to better understand the characteristics of 2019-nCoV and drug development. Currently, Creative Biolabs is proud to offer an extensive line of research antibodies to support the study of SARS-CoV-2/COVID-19, several of which were validated using virus-infected cell lysates.

Explore the collections of SARS-CoV-2/COVID-19 antibodies >


The rectum is a hollow muscular tube that connects the sigmoid colon to the anus at the terminal segment of the digestive system. It acts as a temporary storage site for fecal matter until the body gets ready to eliminate the waste through the process of defecation. The rectum is about 6 inches in length and divided into three or four chambers from the internal cavity. Each chamber keeps apart from the others by permanent transverse folds called valves of Houston which play a vital role in supporting the rectal contents. The pelvic diaphragm and longitudinal muscle surrounding outside wall of rectum perfect the systolic function of the rectum. The rectum is classified into four layers: the mucosa, submucosa, muscularis, and serosa. Rectal disorders like hemorrhoids, abscesses, incontinence, and cancer are quite common in clinic. A rectal exam or rectal endoscopy may be conducted to diagnose certain diseases. In addition, a variety of target molecules on the rectum tissue could be used to detect related disorders.

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