Changes

* In the oviduct, the motility pattern of sperm becomes hyperactive.

* In the oviduct, the motility pattern of sperm becomes hyperactive.

* Motility changes from linear (swim in a straight line, like a swimmer) to not linear (locilized movement in one small area, like dancers in a nightclub).

* Motility changes from linear (swim in a straight line, like a swimmer) to non linear (localised movement in one small area, like dancers in a nightclub).

* Occurs in the ampulla of the oviduct, induced by molecules within the epithelium here.

* Occurs in the ampulla of the oviduct, induced by molecules within the epithelium here.

* Hyperactivity facillitates sperm-oocyte contact.

* Hyperactivity facillitates sperm-oocyte contact.