Sebileau's muscle is the deep muscle fibres of the
dartos tunic which pass into the
scrotal septum
The septum of scrotum or scrotal septum is an incomplete vertical wall (septum) that divides the scrotum into two compartments –each containing a single testis. It consists of flexible connective tissue and nonstriated muscle (dartos fascia
...
.
It is named after French anatomist
Pierre Sebileau (1860–1953).
References
Muscles of the torso
Scrotum
Connective tissue
{{Muscle-stub