No single follicle reaches the preovulatory size (16 mm or more).

The pullback sequence from within the brain to the outside of the skull included neurons, action potentials, and a hair follicle.

This causes an increase in circulating follicle stimulating hormone (FSH) and luteinizing hormone (LH) levels because there are a decreased number of oocytes and follicles responding to these hormones and producing estrogen.

In some cases, the sinus cavity can be irrigated with saline (antral lavage) and the tooth fragment may be brought back to the site of the opening through which it entered the sinus, and may be retrievable.