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medullated是什么意思，medullated翻译
medullated
Medullated is a term used to describe something that is related to the medulla, which is the lowest part of the brainstem, located between the pons and the spinal cord. The medulla is responsible for controlling many vital functions of the body, such as breathing, heart rate, and blood pressure. It also contains centers that regulate reflexes, such as vomiting and coughing.
The term "medullated" can be used to describe various structures and tissues in the body that have a medullary pattern or origin. For example, medullated neurons are a type of neuron that have their cell bodies located in the medulla of the brain or the spinal cord. These neurons are responsible for transmitting signals to other parts of the body, and they play a role in various functions, such as balance and hearing.
Another example of medullated structures are the medullated fibers of the retina, which are responsible for transmitting visual information from the eye to the brain. These fibers are derived from the ganglion cells of the retina, which are the cells that convert light into neural signals. The medullated fibers of the retina are essential for vision, as they allow the brain to receive and process visual information.
In addition to neurons and fibers, the term "medullated" can also be used to describe certain types of tissue or structures that have a medullary appearance or pattern. For example, medullated bone is a type of bone that has a central medullary cavity, which is surrounded by concentric rings of bone matrix. This type of bone is found in the long bones of the body, such as the femur and humerus, and it provides strength and support for the body.
Overall, the term "medullated" is a descriptive term that is used to describe various structures and tissues in the body that have a medullary origin or appearance. These structures play a vital role in the functioning of the body, and their proper functioning is essential for health and well