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The medullary ischemic reflex occurs when there is a decrease in blood flow to the brain, particularly affecting the medulla oblongata. This reflex serves to restore blood pressure and blood flow by stimulating the sympathetic nervous system, leading to increased heart rate and vasoconstriction of blood vessels. It is a crucial response to maintain cerebral perfusion during episodes of hypotension or reduced oxygen supply. The reflex is vital for protecting the brain from ischemic damage during critical situations.
What else can I help you with?
What is a baroreflex?
A baroreflex is a reflex which results from stimulation of a baroreceptor.
What does a normal plantar reflex look like?
It results in flexion of the toes
What is the difference between medial medullary syndrome and lateral medullary syndrome?
Medial medullary syndrome : caused by obstruction of anterior spinal arteryLateral medullary syndrome : caused by obstruction of posterior inferior cerebellar artery, or vertebral artery
Does bone have a medullary cavity?
true
What structure lines the medullary cavity?
endosteum
What is a baroreflex?
A baroreflex is a reflex which results from stimulation of a baroreceptor.
What rhymes with medullary?
There are no perfect rhymes for the word medullary.
What is spinal reflex therapy?
Spinal reflex therapy is a neurological soft tissue procedure that gets powerful and reliable results. You can learn more at Spinal Reflex Institute's website.
Stimulation of the patellar tendon results in a muscle contractions called what?
A reflex.
What does a normal plantar reflex look like?
It results in flexion of the toes
What membrane lines lines the medullary cavity?
The endosteum lines the medullary cavity.
List five different effects produced by these medullary hormones?
what are the medullary hormones You can't answer a question with a question...the medullary hormones (adrenal) they are referring to are epinephrine and norepinephrine.
How can we use the diameter to calculate the medullary index?
The medullary index is calculated by comparing the diameter of the medullary cavity to the diameter of the entire bone. To find the medullary index, you divide the diameter of the medullary cavity by the total diameter of the bone and then multiply the result by 100 to express it as a percentage. This index helps assess the relative size of the medullary cavity in relation to the overall bone structure, which can be useful in fields like anthropology and forensic science.
Stroking infants foot results in dorsiflexion and toes to spread apart what reflex?
The Babinski reflex is elicited when the sole of the foot is stroked, causing the infant's toes to fan out and the big toe to dorsiflex. This reflex is normal in infants, but typically disappears by the age of two.
What is the abbreviation for transient ischemic attack?
TIA is the abbreviation for transient ischemic attack.
What is paroxysmal chest pain that results from ischemic myocardial tissue called?
Angina is a paroxysmal chest pain or pressure sensation associated with transient myocardial infarction.
What is microangiopathic ischemic mean in laymens terms?
what is microangiopathic ischemic
