It is inserted into the skin over the lower part of the forehead between the two eyebrows on either side of the midline, its fibers merging with those of the Frontalis.
The supratrochlear nerve then exits the orbit between the pulley of the superior oblique and the supraorbital foramen, curves up on to the forehead close to the bone, and ascends beneath the Corrugator supercilii and Frontalis muscles.
Nervus frontalis or Frontal nerve, the largest branch of the ophthalmic nerve (V1)
The Oleaginous Hemispingus (Hemispingus frontalis) is a species of bird in the Thraupidae family.