By the ethmoid bone, physicians mean a multi-unit cranial bone of the bony orbit. The ethmoid bone is involved in the anatomic structure of the orbits, as well as the nasal cavities and the frontal sinus, and serves as an attachment point for the olfactory system. The ethmoid bone can be affected by fractures, inflammation, … Ethmoid Bone: Structure, Function & Diseases
The zygomatic arch is part of the facial skull and extends horizontally on both sides below the eye socket to the ear. Its course can be easily felt from the outside. The zygomatic arch is formed by the upper jaw and the zygomatic and temporal bones. The zygomatic arch is also connected to the large … Zygomatic Arch: Structure, Function & Diseases
As a branch of the facial artery, the angular artery supplies the ocular ring muscle, lacrimal sac, and orbital and infraorbital regios. Arterial damage, such as that caused by aneurysm and/or embolism, can lead to necrosis of the affected tissue. What is the angular artery? The angular artery represents a branch of the facial artery … Angular Artery: Structure, Function & Diseases
Located in the midbrain, the pedunculi cerebri are composed of the cerebral peduncles (crura cerebri) and the midbrain cap (tegmentum mesencephali). Lesions in these areas can be associated with a variety of conditions, depending on which structures are affected. For example, Parkinson’s disease results from atrophy of the substantia nigra in the tegmentum and typically … Pedunculi Cerebri: Structure, Function & Diseases
The ophthalmic nerve is the ocular branch of the trigeminal nerve and as such is involved in trigeminal perception. Because of its location in the human head, it primarily receives sensory stimuli from the ocular region. Functional impairment may be a consequence of various neurological and inflammatory diseases. What is the ophthalmic nerve? Part of … Ophthalmic Nerve: Structure, Function & Diseases
The petrosal profundal nerve is a sympathetic nerve of the head region. Its main functions include inhibitory influences on saliva and tear production. Injuries and deficits of the petrosal profundal nerve may result in salivary and lacrimal secretion disorders, among other symptoms. What is the petrosal profundal nerve? The internal carotid plexus corresponds to the … Petrosal Profundal Nerve: Structure, Function & Diseases
Definition – What is an orbital fracture? An orbital fracture is also called an orbital fracture. An orbital fracture is therefore a fracture of the bony parts of the skull bones that form the orbit. The orbit is formed by parts of several bones. These include: The frontal bone (the frontal bone), the lacrimal bone … The orbital fracture
A cranial bone is called the sphenoid bone. It is located in the middle region of the skull. What is the sphenoid bone? The sphenoid bone is a bone of the cranium that is located relatively deep in the middle section of the skull. The bone also goes by the name Os sphenoidale or Os … Cuneiform Bone: Structure, Function & Diseases
Most people are unaware that the zygomatic bone is of central importance to them. Together with the zygomatic process, it forms the cheek profile, and thus contributes significantly to everyone’s appearance. Nevertheless, almost everyone knows it only in connection with the painful fracture of this bone. What is the zygomatic bone? The correct Latin name … Zygomatic Bone: Structure, Function & Diseases
