the area postrema is one area in the brain where the is not complete. a. cerebrospinal fluid b. blood-brain barrier c. choroid plexus d. phospholipid membrane



Answer :

C is the right. A circumventricular organ with permeable capillaries and sensory neurons as, the region postrema is a paired structure in the medulla oblongata of the brainstem that has a dual purpose.

To recognize and translate blood-borne chemical messengers into brain impulses and networks. The medulla oblongata, often known as the medulla, is the base of the brain and the base of the brainstem. The pons connects the medulla oblongata to the midbrain, and it continues posteriorly with the spinal cord, merging at the foramen magnum opening at the base of the skull.

the brainstem is formed of the medulla oblongata, pons, and midbrain, which together make up the central trunk of the mammalian brain.

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