Line 15: Line 15:  
* Bull,Ram and Boar
 
* Bull,Ram and Boar
 
* Involves increased blood flow with subsequent increase in pressure and simultaneous relaxation of the '''retractor penis muscles'''.
 
* Involves increased blood flow with subsequent increase in pressure and simultaneous relaxation of the '''retractor penis muscles'''.
* Erection and protrusion involve straightening of the penis to eliminate the '''sigmoid flexure'''.
+
* Erection and [[Reproductive_Behaviour_-_Pre-copulatory_Behaviour_-_Anatomy_%26_Physiology#Penile_Protrusion|protrusion]] involve straightening of the penis to eliminate the '''sigmoid flexure'''.
    
== Erection of the Musculovascular Penis ==
 
== Erection of the Musculovascular Penis ==
4,503

edits