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.
There are two types of chromosome deletions: Terminal Deletion-This is a type of deletion that occurs towards the end of the chromosome. Deletion of the terminal band may cause abnormal facial or skull structure, mental retardation, and growth delay.ur body is made of millions of cells and each of these has a nucleus which houses the chromosomes. The chromosomes have genes which have the DNA. Genes hold the key to every individual instruction that keeps our body running smoothly. DNA helps in the development and propagation of the species.