Vestibulocochlear
The corticonuclear fibers arise in the frontal eyelids and cross to the sides.
Sensory emotional refers to experiences or reactions that arise from a combination of sensory stimuli and emotional responses. It suggests that emotions can be influenced or triggered by our sensory perceptions, such as sight, sound, touch, taste, or smell.
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Nerves are classified based on their structure and function. Structurally, they can be categorized into cranial nerves, which emerge from the brain, and spinal nerves, which arise from the spinal cord. Functionally, they are divided into sensory (afferent) nerves that carry signals to the central nervous system, motor (efferent) nerves that transmit signals from the central nervous system to muscles, and mixed nerves that contain both sensory and motor fibers.
They arise as axons of the cells in the lower1/3 of the motor area 4
they fuse with a vesicle, and break down the contents of the vesicle
The branches and recombinations of nerves refer to the division and merging of nerve fibers within the nervous system. Nerve branches are extensions that arise from a main nerve trunk, allowing for communication with different regions of the body. Recombinations occur when nerve fibers from different branches converge to form new pathways, enabling complex signaling and coordination within the nervous system.
Brain
they fuse with a vesicle, and break down the contents of the vesicle
2 types of afferent fibres that arise from spinal cord and brain-stem are climbing fibres and mossy fibres.climbing fibres :from contralateral inferior olivary nucleus (in medulla)make excitatory synapses directly on purkinje cellsmossy fibres :from all other structures that send fibres to cerebellum (ex. spinal cord)influence purkinje cells indirectly through excitatory synapses with granule cells
The bladder receives motor innervation from both sympathetic fibers, most of which arise from the hypogastric plexuses and nerves, and parasympathetic fibers, which come from the pelvic splanchnic nerves and the inferior hypogastric plexus. Ahmed Urbizo
Tumors that initially arise and grow within the brain are termed primary tumors