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[11]: 1121 The medulla contains the cardiac, dorsal and ventral respiratory groups, and vasomotor centres, dealing with heart rate, breathing and blood pressure. Another important medullary structure is the area postrema whose functions include the control of vomiting.
The thalamus (pl.: thalami; from Greek θάλαμος, "chamber") is a large mass of gray matter on the lateral walls of the third ventricle forming the dorsal part of the diencephalon (a division of the forebrain).
The diencephalon gives rise to the thalamus and hypothalamus. ... Information about blood pressure is generated by baroreceptors ... The respiratory centres control ...
The two largest are the lateral ventricles in the cerebrum, the third ventricle is in the diencephalon of the forebrain between the right and left thalamus, and the fourth ventricle is located at the back of the pons and upper half of the medulla oblongata of the hindbrain.
In a situation of lowered blood volume, secretion of renin by the kidneys results in the production of angiotensin II, which stimulates receptors in the VOLT and subfornical organ to complete a positive feedback loop. [9] [12] [13] These neurons also project to the median preoptic nucleus which is involved in controlling thirst. [11] [9] [12]
The diencephalon encloses a cavity called the third ventricle. The thalamus serves as a relay centre for sensory and motor impulses between the spinal cord and medulla oblongata, and the cerebrum. It recognizes sensory impulses of heat, cold, pain, pressure etc. The floor of the third ventricle is called the hypothalamus.
The diencephalon expands more evenly, but caudally of the diencephalon the canal remains narrow. The third ventricle is the space formed by the expanding canal of the diencephalon. The hypothalamic region of the ventricle develops from the ventral portion of the neural tube, while the thalamic region develops from the dorsal portion; the wall ...
change of blood pH, detected by central chemoreceptors. [4] change of blood pH, detected by peripheral chemoreceptors in the aortic bodies and in the carotid bodies. [4] change of blood pressure, detected by arterial baroreceptors in the aortic arch and the carotid sinuses. [2] various other inputs from the hypothalamus, thalamus, and cerebral ...