The infraorbital vessels are found in the inferior orbital fissure, and travel down the infraorbital groove into the infraorbital canal and exit through the infraorbital foramen.Inferior division of ophthalmic vein passes through the inferior orbital fissure. It is formed by the sphenoid bone and maxilla.he infraorbital vessels are found in the inferior orbital fissure, and travel down the infraorbital groove into the infraorbital canal and exit through the infraorbital foramen.
4q33 Deletion a rare disorder caused by a partial deletion of chromosome 4 at the 33 rd band.q33 Deletion a rare disorder caused by a partial deletion of chromosome 4 at the 33 rd band.
Deletions and Microdeletions. A DELETION involves loss of a part (a segment) of a chromosome and is sometimes known as a PARTIAL MONOSOMY. Deletions can occur in any part of any chromosome. If the segment is lost from near to the centromere, this is called a PROXIMAL DELETION.