what two nerves is the sciatic nerve composed of

Q: What are the main nerves of the lumbar and sacral plexuses?

A: Lumbar and sacral refers to the lumbar region of the spine (lower back) and the sacrum area. The…

Q: Do large nerves have  Fascicles Axons Perineurium Blood vessels Or all of these

A: The nervous system is an evolutionary organ system in humans concerned with the control, regulation,…

Q: The ____________________ (CN II/CN VII) comprise preganglionic sympathetic fibers.

A: Introduction: Preganglionic fibers are autonomic nervous system fibers that extend from the central…

Q: What clinical disorder results from a deficiency of the neurotransmitter substance associated with…

A: Substantia nigra:                       The mid-brain dopaminergic nucleus that posses a critical…

Q: Is the patellar reflex ipsilateral or contralateral?

A: The patellar reflex is a knee jerk reflex. It is tendon reflex in which tap on the patellar tendon…

Q: Most parasympathetic preganglionic fibers are found in the________ nerve.

A: BASIC INFORMATION NERVOUS SYSTEM :- It is of two types namely Central nervous system (CNS) and…

Q: Which is the only spinal nerve that does not have a corresponding dermatome?

A: Dermatome refers to the region in the skin containing sensory nerves obtained from the single spinal…

Q: How do nerves control every organ and function in the body?

A: Although nerves play an important part in the human body, they do not govern every tissue and…

Q: A 50 year old man has right occulomotor nerve palsy and sensory loss in the distribution of the…

A: Ocular pathology known as acquired oculomotor nerve palsy (OMP) is brought on by injury to the third…

Q: How can the sympathetic division cause smooth muscle torelax in some organs but contract in others?

A: The nervous system composed of the nerves and cells is responsible for transmitting signals between…

Q: Which of this nerves passes through the foramen magnum? Spinal nerve Accessory Vagus nerve O…

A: A large, oval-shaped aperture in the occipital bone of the skull is known as the foramen magnum.…

Q: Why is it important that different body structures have differentdensities of nerve innervation?

A: The palmar skin of the palms and the periorbital area of the face are by far the most highly…

Q: What are nerves?

A: Neurons are the key units of the nervous system in an organism. It is responsible for conducting…

Q: For each of the following body regions, name the peripheral nerve that carries somatic motor fibers…

A: The spinal nerve connection consists of a huge network of nerves that spreads across the periphery…

Q: What is the nerve supply of stylo-pharyngeus muscle * O Trigeminal (CN V) nerve O Facial (CN VII)…

A: The stylopharyngeus muscle forms the lateral walls of the pharynx and is involved in the process of…

Q: A cancer patient has his left lung removed. To reduce the spaceremaining where the lung is removed,…

A: Patients with a paralyzed diaphragm experience weakness of the diaphragm and have reduced breathing…

Q: What the sciatic nerve and its branches and clinical aspects?

A: The objective of this question is to understand the anatomy and physiology of the sciatic nerve, its…

Q: write the name of the nerve next to the appropriate numbered blank.

A: A nerve is a wire-like structure within the body shaped to conduct nerve impulses that deliver…

Q: Which nerve is responsible for Inability to dorsiflex the foot

A: Brain is a complex structure which control and coordinates different body function by the cells…

Q: A construction worker is in an accident o During examination in the emergency roe time flexing his…

A: Nerves carry the messages to the muscles of the hand to contract. When the nerves of the four are my…

Q: The sympathetic division originates in what area andsegments of the spinal cord?

A: The sympathetic nervous system, which regulates the ‘fight or flight’ responses in the body, is a…

Q: The sciatic nerve is a composite of two nerves, the ___________ and _________ .

A: The sciatic nerve is the longest and the largest nerve of the human body. It originates from the…

Q: Because of a vehicular accident, a man is unable to move and use both his legs, and lost his sense…

A: The brain and spinal cord are responsible for the coordination of movement and other body functions.…

Q: From what are sympathetic autonomic nerve plexusesformed? How are they normally named?

A: The sympathetic autonomic nerve plexuses are formed by neurons of both the parasympathetic and…

Q: Which nerve that supply the teeth and mucosa (Maxillary and mandibule )

A: Blood is referred to as the body fluid present in humans and other living organisms that is very…

Q: Briefly discuss the anatomy of the vagus nerve in the thorax and abdomen to discuss how its fibers…

A: The vagus nerve, also known as the tenth cranial nerve (CN X), is the complex and longest cranial…

Q: Which nerve innervates the diaphragm?  Is it a somatic or autonomic motor pathway?

A: Diaphragm refers to a skeletal muscle present beneath the chest and helps separate the chest from…

Q: Item 7 The white matter of the spinal cord is surrounded by its gray matter. True or False

A: The long, thin, tubular bundle of neurons and supporting cells that originate from posterior end of…

Q: Item30       Item 30 The inferiorcerebellar peduncles connect the cerebellum to the midbrain.…

A: The information flow to and from the cerebellum is contained in three pairs of cerebellar peduncles:…

Q: Nerve plexuses are networks of interweaving posterior rami of spinal nerves. True or False

A: Introduction: Spinal nerves are a group of thirty-one pairs of nerves that emerge from the spinal…

Q: epigastric region

A: Epigastrium or epigastric region is the upper part of the abdomen which sits below the rib cage…

Q: What are the different peripheral nerves. Both for upper and lower extremity. How can I memorize…

A: The central nervous system and the peripheral nervous system are the two sections of the nervous…

Q: Which basic tissue type is affected by Primary Ciliary Dyskinesia

A: Primary ciliary dyskinesia is a confusion portrayed by interminable respiratory parcel diseases,…

Q: Define phrenic nerve

A: Nerves are the cells of the central nervous system. Their main function is the conduction of…

Q: Which nerves make up the lumbar and sacral plexuses' primary branches?

A: Spinal nerves play a major part in the nervous system of the body. It has different functions such…

Q: What are sympathetic trunks?

A: The nervous system is defined as a complex system that comprises of networks of nerves and cells.…

Q: The coracobrachialis, which acts to adduct and flex the arm at the shoulder, is innervated by which…

A: Coracobrachialis is a Slender muscle present in the anterior arm. It extends from the coracoid…

Q: What is the vagus nerve, where is it located, and what is its function

A: Please follow step 2 for detailed explanation

Q: Which nerves carry impulses from receptors to CNS.

A: Neurons, also known as nerve cells are the fundamental unit of brain and nervous system. They are…

Q: What accounts for the basophilia of the granular layer of the cerebellar cortex

A: Layer of granules Their cell bodies are crowded into a dense layer at the cerebellar cortex's…