Blood Supply To The Brain Flashcards, test questions and answers

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What is Blood Supply To The Brain?

The brain is an essential organ in the body and requires a continuous supply of blood to remain healthy. Blood supplies oxygen and other nutrients that the brain needs to function properly. It also helps remove waste products from the brain that can build up over time. The blood supply to the brain is very important in order for it to perform its many tasks.The main source of blood for the brain comes from two major arteries: the internal carotid artery (ICA) and vertebral artery (VA). The ICA passes through the neck region and divides into two branches, which are responsible for supplying blood to both sides of the head. Meanwhile, the VA travels up through each side of your spine and then divides into four smaller arteries at its base, which are responsible for supplying blood to different regions of your cerebellum, medulla oblongata, pons, and midbrain. Both these arteries also branch off further as they travel towards their respective destinations in order to make sure that sufficient oxygen-rich blood reaches every part of your cranial cavity. In addition to these main sources of arterial supply, there are several other smaller vessels that bring additional amounts of oxygenated or deoxygenated blood towards specific areas within your skull as well as between various parts inside it. These include sinuses veins, capillaries found within meninges (protective membranes surrounding your brain), choroid plexus veins (which drain cerebrospinal fluid away from your ventricles), cavernous sinus veins (which drain away venous sinuses found on either side of your sphenoid bone), emissary veins (which connect dural venous sinuses with scalp veins) etc. Altogether these networks ensure continuous circulation around all areas inside our skulls by delivering adequate amounts oxygen-rich/poor watery substances such as glucose molecules along with other essential nutrients like electrolytes like sodium chloride and proteins etc., while removing metabolic wastes like lactic acid etc., effectively at regular intervals so that our brains can stay healthy enough carry out its functions properly without any disruption or damage caused due lack or excessive amounts vital elements required during processing activities taking place inside them throughout day night cycles we experience on daily basis.