What is this thick, glue-like mucus and why is my rectum clogged with(01)

What is this thick, glue-like mucus and why is my rectum clogged with(01)

Video Screenshot Gallery: Anal Mucus

Rectal Discharge - CK Birla Hospital
What is this thick, glue-like mucus and why is my rectum clogged with
Rectum & Anal canal By Prof.Dr.N.Mugunthan PDF