The cranial calvaria, in Latin calvaria, is the bony roof of the skull and consists of flat, flattened bones (ossa plana). It is also part of the neurocranium, the skull, and at the same time the bone which encloses the brain. The flat bones are connected by so-called sutures: these are seams between two bones, … Cranial Calvaria: Structure, Function & Diseases
The accessorius nerve is a motor nerve known as the eleventh cranial nerve. It has two distinct branches and innervates the sternocleidomastoid and trapezius muscles for motor function. Damage to the nerve can result in head-turning or trapezius palsy. What is the accessorius nerve? In the human body, the nervous system consists of motor, sensory, … Accessory Nerve: Structure, Function & Diseases
The protuberantia occipitalis interna is a part in the skull of the human body. It is associated with the occipital bone. It is a bony prominence called the protuberantia occipitalis interna. What is the internal occipital protuberance? The protuberantia occipitalis interna is called the internal occipital protuberance. It is a small part of the human … Protuberantia Occipitalis Interna: Structure, Function & Diseases
The jugular foramen is located at the base of the skull and embodies the passage of the ninth to eleventh cranial nerves as well as the posterior meningeal artery, sigmoid sinus, and inferior petrosal sinus. Problems in the region of the jugular foramen can result in various neurologic syndromes such as Avellis, Jackson, Sicard, Tapia, … Foramen Jugulare: Structure, Function & Diseases
The foramen lacerum is an opening in the human skull. It is used as a passageway for nerve fibers. This pathway can provide nerve supply to the outer and inner regions of the skull. What is the lacerated foramen? The foramen lacerum is a small opening in the skull. The human skull is made up … Foramen Lacerum: Structure, Function & Diseases
The sigmoid sinus is a blood pathway in the brain. It runs in a s-shaped manner and transports venous blood. It provides blood supply to the brain. What is the sigmoid sinus? In the human brain, there are a number of vessels that serve to ensure blood supply to the brain. The sigmoid sinus is … Sigmoid Sinus: Structure, Function & Diseases
The occipital bone (Os occipitale) is a part of the brain skull. The bone consists of three parts and not only contains various openings, but also serves as an attachment site for tissues. The occipital bone can fracture in basilar skull fracture, and trisomy 18 often results in a large occipital bone. What is the … Occipital Bone: Structure, Function & Diseases
