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What are the descending fibers that can be found in crus cerebri of the midbrain?
in the medial 1/5 = medial corticobulbar + forntopontine fibresin the intermediate 3/5 = cortiocspinal fibresin the lateral 1/5 = temporo-pontine + lateral corticobulbar fibres
What is the medial longitudinal fasciculus?
The medial longitudinal fasciculus is a neural pathway in the brainstem that connects the nuclei responsible for eye movements. This pathway allows for coordinated movements of the eyes, particularly in response to visual stimuli. Dysfunction of the medial longitudinal fasciculus can result in conditions such as internuclear ophthalmoplegia.
Are The forearm extensors arise primarily from the medial epicondyle?
No, the forearm extensors primarily arise from the lateral epicondyle of the humerus, not the medial epicondyle. The medial epicondyle is the origin for the forearm flexors. The extensors are responsible for extending the wrist and fingers, and their tendons run along the posterior side of the forearm.
Nerve fibers from the medial aspect of each eye do what?
Nerve fibers from the medial aspect of each eye cross over at the optic chiasm to the opposite side of the brain. This allows visual information from each eye to be processed by both hemispheres of the brain for a more integrated perception of the visual world.
How are natural fibers classified?
Natural fibers are classified into three categories based on their origin: plant fibers derived from plants (e.g. cotton, linen), animal fibers obtained from animals (e.g. wool, silk), and mineral fibers which come from mineral sources (e.g. asbestos). Each type of natural fiber has its unique properties and characteristics which make them suitable for different purposes.
What are the descending fibers that can be found in crus cerebri of the midbrain?
in the medial 1/5 = medial corticobulbar + forntopontine fibresin the intermediate 3/5 = cortiocspinal fibresin the lateral 1/5 = temporo-pontine + lateral corticobulbar fibres
What is the origin of lateral corticobulbar fibers?
They arise as axons of the cells in the lower1/3 of the motor area 4
What is the pathogenesis of cystic medial necrosis?
Cystic medial necrosis has no known cause. It is diagnoses by thickening of the muscle fibers in the aorta accompanied by the accumulation of mucopolysaccharide.
Types of synthetic fibers and its origin?
origin of synthetic fibre
Nerve fibers from the medial aspect of each eye?
Cross over to the opposite side at the chiasma.
Fibers from the medial side of each eye cross over to the opposite side of the brain at the?
Optic Chiasm
How are fibers classified?
It is important to know how natural fibers are classified. Natural fibers are fibers from plant, animal and minerals. They are classified according to their origin.
What is the attachment for the flexor muscles of the forearm?
The origin attachments are on, or near, the medial epicondyle of the humerus.
Where do axons of the corticobulbar tract terminate?
motor nuclei of cranial nerves :)
Where do sensory nerve fibers enter the spinal cord?
The dorsal column or medial lemniscus.
What is the medial longitudinal fasciculus?
The medial longitudinal fasciculus is a neural pathway in the brainstem that connects the nuclei responsible for eye movements. This pathway allows for coordinated movements of the eyes, particularly in response to visual stimuli. Dysfunction of the medial longitudinal fasciculus can result in conditions such as internuclear ophthalmoplegia.
Are The forearm extensors arise primarily from the medial epicondyle?
No, the forearm extensors primarily arise from the lateral epicondyle of the humerus, not the medial epicondyle. The medial epicondyle is the origin for the forearm flexors. The extensors are responsible for extending the wrist and fingers, and their tendons run along the posterior side of the forearm.
