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What is the function of habenular commissure?
The habenular commissure is a bundle of nerve fibers that connects the left and right habenulae in the brain. It plays a role in regulating various functions such as mood, stress responses, and reward processing by facilitating communication between the two sides of the brain.
What is the main commissure of the brain called?
The main commissure of the brain is called the corpus callosum. It is a bundle of nerve fibers that connects the left and right hemispheres of the brain, allowing for communication and coordination between the two sides.
What is the function of posterior commisure?
to connect superior colliculus, pretectal nucleus and medial longitudinal bundle (MLB) of both sides of the midbrain together - these structures are involved in the bilateral pupillary light reflex.
What are the deltoid muscle fibers separated into?
The deltoid muscle fibers are separated into three distinct anatomical regions: the anterior (front), lateral (middle), and posterior (rear) fibers. Each region has different functions; the anterior fibers primarily assist in shoulder flexion and internal rotation, the lateral fibers are responsible for shoulder abduction, and the posterior fibers facilitate shoulder extension and external rotation. This organization allows for a wide range of shoulder movements.
What type of fibers make up the posterior and anterior roots of the spinal nerve?
Both Afferent and Efferentboth sensory and motorContains motor & sensory fibers!The spinal cord consists of nerve fibers that are afferent and efferent.
What is the function of habenular commissure?
The habenular commissure is a bundle of nerve fibers that connects the left and right habenulae in the brain. It plays a role in regulating various functions such as mood, stress responses, and reward processing by facilitating communication between the two sides of the brain.
What is the main commissure of the brain called?
The main commissure of the brain is called the corpus callosum. It is a bundle of nerve fibers that connects the left and right hemispheres of the brain, allowing for communication and coordination between the two sides.
Afferent nerve fibers enter the part of the spinal cord called?
Afferent nerve fibers enter the spinal cord through the dorsal roots.
Where do sensory nerve fibers enter the spinal cord?
The dorsal column or medial lemniscus.
What is the function of posterior commisure?
to connect superior colliculus, pretectal nucleus and medial longitudinal bundle (MLB) of both sides of the midbrain together - these structures are involved in the bilateral pupillary light reflex.
Which of the following is secreted by nerve fibers in the posterior lobe of the pituitary gland?
antidiuretic hormone
What connects gray matter on the left and right sides of the spinal cord?
That sounds as if it is a brain. Another answer: It is the Thalamus. The thalamus consists of two lateral masses of neural tissue that are joined by a narrow isthmus of neural tissue called the intermediate mass.
What type of fibers make up the posterior and anterior roots of the spinal nerve?
Both Afferent and Efferentboth sensory and motorContains motor & sensory fibers!The spinal cord consists of nerve fibers that are afferent and efferent.
What is the name of the synapse site in the brain for afferent fibers that travel to the sensory cortex?
i think it is the choroid plexus....not for sure though ---- Afferent sensory fibers (those returning to the brain from the periphery) synapse first in the posterior horn of the spinal cord, ascend one to two levels and decussate (cross over) at the anterior white commissure before their axons migrate to the anterior or lateral spinothalamic tracts. These then synapse again in the thalamus for integration before they go on to the post-central gyrus - the sensory cortex - and other sites in the cortex.
Connects the cerebral hemispheres?
The Anterior Commissure (precommissure) is a bundle of nerve fibers (white matter), connecting the two cerebral hemispheres across the midline, and placed in front of the columns of the fornix.The fibers of the anterior commissure can be traced laterally and backwards on either side beneath the corpus striatum into the substance of the temporal lobe. Corpus callosum
What causes an Posterior annular tear of L5-S1?
A posterior annular tear is a tear in the ligament fibers that cover the inner core of a disc. The discs separate each vertebra in your spine. A posterior annular tear in the L5-S1 discs indicates the location in which these tears occur. L5 is the fifth and lowest of the lumbar vertebra and the S1 is the first and highest sacral vertebra.
How many bundles of commisural fibers that can be found in the white matter of cerebrum?
5 = corpus callosum + anterior commisure + hippocampal commisure + posterior commisure + habenular commisure
