The fascia of Waldeyer belongs to
High-Yield Explanation
The presacral fascia or Waldeyer's fascia, lines the anterior aspect of the sacrum, enclosing the sacral vessels and nerves. It continues anteriorly as the pelvic parietal fascia, covering the entire pelvic cavity. These two fascias are in fact, separate anatomical entities. image ref - coloproctol.org