while the remaining 2 find their roots in thecerebrum(part of the forebrain/uppermost portion of the brain). Each of the 12 cranial nerves is present in pairs, and extend down both sides of the human body (left & right). The cranial nerves are responsible...
The vagus nerve is the tenth cranial nerve (CN X), which is the main supplier of parasympathetic inputs to visceral organs. Some of the structures innervated by the vagus nerve include the heart, lungs, and digestive tract.Answer and Explanation: The foramen associated with the cranial n...
What cranial nerve causes strabismus?Question:What cranial nerve causes strabismus?Strabismus:Strabismus also called crossed eye, in which there is a disturbance in the proper alignment of eyes. Both eyes do not line up with one another. Extraocular eye muscles are involved in setting up the prope...
The hypoglossal nerve, helping provide sensation to the hyoglossus as well as other muscles found in the tongue, is also known as the twelfth cranial nerve. If one of the nerves supplying the tongue becomes injured, muscle function, including that of the hyoglossus, may become compromised. ...
When the fourth cranial nerve is injured or diseased, it can causeparalysisof the superior oblique muscle. This is known as superior oblique palsy, trochlear nerve palsy, or fourth nerve palsy. Some individuals are born with this condition while others develop it later on in life. It usually ...
Facial nerve damage, also referred to as palsy, refers to a condition where an infant to lose control of voluntary muscle movement in the facial (7th cranial) nerve. This is usually caused when a physician uses forceps or other tools incorrectly or otherwise puts unnecessary pressure on a new...
the greater alar cartilage lying on the nose just above the nostril, and attaches at the other end to the skin on the tip of the nose. Like all thefacial muscles, the nasalis is innervated by the upper buccal branches of thefacial nerve, or cranial nerve VII. Blood is supplied by the...
Cranial nerve palsies are one of the commonest disorders presenting to the neuro-ophthalmology clinic. Although cranial nerve palsy is a diagnosis in itself鈥攊t is usually indicative of underlying disorder and needs thorough evaluation and investigation. This chapter aims to cover the relevant ...
Autoimmune encephalitis is a relatively novel nosological entity characterized by an immune-mediated damage of the central nervous system. While originally described as a paraneoplastic inflammatory phenomenon affecting limbic structures, numerous instances of non-paraneoplastic pathogenesis, as well as extra...
Recent studies show that mental health is so closely related to gut health, that it’s being called the “gut-brain axis.” Some of the most exciting studies released recently show that mental health is closely related to gut health. In fact, the link is so strong that it’s being calle...