Via the always - excellentAnnals of Improbable Researchcome not one , but two , studies ( both of them Dutch … make of that what you will ) on potential physiological explanations for Rudolph ’s ruby schnoz .
From “ Microcirculatory investigating of nasal mucosa in reindeer Rangifer tarandus ( Mammalia , Artiodactyla , Cervidae ): Rudolph ’s nose was overheated , ” published today in the journalDeinsea :
The classic Christmas tale and song ‘ Rudolph the crimson - nosed Greenland caribou ’ evoked several theory about the suit of the remarkable colour of the beast ’s nose , range from ( 1 ) a common cold , ( 2 ) alcoholic intoxication , to ( 3 ) a parasitic contagion of the anterior naris . Still , there is no conclusive scientific grounds of the nature of Rudolph ’s red nozzle . We find a clew in earlier study that showed reindeer are able to restrict respiratory heat loss by the manipulation of rhinal estrus telephone exchange . workplace that demonstrated a vascular basis for regulation of nasal warmth exchange through capillary vessel and arterio - venous inosculation enliven us to employ Sidestream Dark - Field ( SDF ) imaging to see the microvascular flow in the nasal mucous membrane of Zoo - keep Rangifer tarandus ( genus Rangifer tarandus fennicus ) . We get hold hairpin shaped ‘ radiator - like ’ ( looping ) small blood vas in the nasal mucosa , which are most likely responsible for the heating and/or cooling of the inhaled freezing arctic airwave during nasal panting . This lead to the follow Modern account of the nature of Rudolph ’s cerise nose . The exceptional strong-arm onus of aviate with a sled with Santa Claus as a heavy consignment could have caused intellectual and somatic hyperthermy , leave in an overworked nasal cooling mechanics that resemble an overheated cool radiator in a car : Rudolph suffered from hyperemia of the nasal mucosa ( a crimson nozzle ) under more extreme heat loads during flight with a sled .
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