Venous versus arterial Arteries carry blood away from the heart, veins towards the heart. The proportion of the two types of vessels in the circulatory system is very different: compared to the veins, which make up the majority of blood vessels at around 75 percent, arteries are outnumbered at only around 20 percent (capillaries five … Artery: Structure and Function
The lower part of the skull is called the skull base. The brain rests on its inner surface. Through openings in the skull base, a total of twelve cranial nerves and blood vessels enter the neck as well as the facial skull. What is the base of the skull? The skull base represents a cranial … Skull Base: Structure, Function & Diseases
Microvascular decompression is the short name for one of two common neurosurgical procedures used to treat trigeminal neuralgia. The procedure is used when trigeminal neuralgia at the exit site of the nerve in the posterior fossa is caused by pathologic contact with the supplying artery. The procedure involves elimination of compression by insertion of tiny … Microvascular Decompression: Treatment, Effects & Risks
The acronym sensorimotor is composed of the two terms sensory and motor and describes a motor function of the muscles, which are controlled largely unconsciously by sensory impressions. As a rule, this involves learned complex movement sequences such as walking upright, riding a bicycle, playing with balls, steering a car and much more. During the … Sensorimotor Function: Function, Tasks, Role & Diseases
The common carotid artery is the carotid artery. It serves to supply blood to the head area and is also a measurement center of blood pressure. Calcification of the carotid artery increases the risk of stroke. What is the common carotid artery? The common carotid artery is the artery that supplies blood to the neck … Common Carotid Artery: Structure, Function & Diseases
The superior constrictor pharyngis muscle is a skeletal muscle of the pharynx and consists of four parts. It closes the entrance to the nose during swallowing. Paralysis of the soft palate and certain neurologic diseases can disrupt the closure and contribute to dysphagia. What is the superior pharyngis constrictor muscle? The superior constrictor pharyngis muscle, … Superior Constrictor Pharyngis Muscle: Structure, Function & Diseases
The femur is the longest long bone of the human skeleton and is also known as the femur in the medical field. Anatomically, it can be divided into several sections and plays a major role in locomotion. Therefore, occurring diseases in this area are all the more drastic. What is the femur? Due to its … Femur Bones: Structure, Function & Diseases
With circulatory disorders, many people suffer from cold hands and feet. The fact that behind it, however, serious diseases can hide, is often not aware of those affected. A visit to the doctor to clarify the cause is therefore useful and advisable. Cold limbs are often a sign of arterial circulatory disorders, and these must … Circulatory Disorders: Causes, Symptoms & Treatment
The lateral malleolus is the thickened end of the fibula involved in the upper ankle joint. This so-called lateral malleolus creates the conditions for dorsal and plantar flexion and extension of the foot. Fractures of the upper ankle are the most common bone fractures of all and often correspond to a malleolus fracture. What is … Malleolus Lateralis: Structure, Function & Diseases
The paired maxillary artery represents the natural continuation of the external carotid artery from the junction of the superficial temporal artery. The maxillary artery can be divided into three sections and forms connections in its terminal region with other arterial vessels that originate from the facial artery. Its function is to supply part of the … Maxillary Artery: Structure, Function & Diseases
The occipital artery is a blood vessel involved in supplying blood to the muscles of the neck and back. In addition, the artery supplies the occipital region (regio occipitalis). Pulse-synchronous tinnitus may be associated with disorders of the occipital artery, for example, arteriovenous fistulas or circulatory disturbances due to arteriosclerosis. What is the occipital artery? … Occipital Artery: Structure, Function & Diseases
The ascending pharyngeal artery (ascending pharyngeal artery) is a smaller branch of the external carotid artery (carotid artery) with the latter branching off from the common carotid artery (greater carotid artery). The ascending pharyngeal artery provides blood flow to the pharynx and, with the help of a connection with the larger arteries that supply the … Ascending Pharyngeal Artery: Structure, Function & Diseases
