A) Thalamus: 1) relays motor nerve signals that control muscle tone and coordination, 4) connected by an intermediate mass, 7) relays sensory nerve signals to the cerebrum
B) Hypothalamus: 2) senses dehydration and makes you feel thirsty, 3) Synthesizes a hormone that enhances child birth, 5) connected to the pituitary gland, 8) establishes the sleep-wake cycle.
C) Epithalamus: 6) contains the pineal gland
The diencephalon's paired thalamus is a structure made of gray matter that is situated close to the brain's center. The interthalamic adhesion connects each thalamus to the other because it is located above the midbrain or mesencephalon, allowing for nerve fiber connections to the cerebral cortex in all directions. Your brain's hypothalamus is a complex structure. It serves as the primary connection between the endocrine and neurological systems. Homeostasis, a steady state of equilibrium maintained by your hypothalamus, governs your body. The epithalamus, which serves as the third ventricle's roof, is the diencephalon's most distant region. From its posterior edge, the pineal gland protrudes and is externally apparent. The posterior commissure shapes the epithalamus' caudal boundary.
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