Tyrrell fascia

rec·to·ves·i·cal sep·tum

[TA]
a fascial layer that extends superiorly from the central tendon of the perineum to the peritoneum between the prostate and rectum.

Tyrrell fascia

(tir′ĕl)
[Frederick Tyrrell, Brit. anatomist, 1797–1843]
An ill-defined fibromuscular layer from the middle aponeurosis of the perineum, behind the prostate gland.

Tyrrell,

Frederick, English anatomist and surgeon, 1797-1843.
Tyrrell fascia - a fascial layer that extends superiorly from the central tendon of the perineum to the peritoneum between the prostate and rectum. Synonym(s): rectovesical septum