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A CT scan showing evidence of the nasal cycle: the more patent airway is on the right of the image, the swollen turbinates congesting the left. The nasal cycle is the subconscious [1] [2] alternating partial congestion and decongestion of the nasal cavities in humans and other animals. This results in greater airflow through one nostril with ...
In these cases, human subjects can be asked to inhale for a certain amount of time, or in a particular pattern. [7] Some animals are obligate nasal breathers, wherein the only air for respiration must arrive into the lungs via the nose. This includes rats and mice.
In humans, the nasal cycle is the normal ultradian cycle of each nostril's blood vessels becoming engorged in swelling, then shrinking. The nostrils are separated by the septum. The septum can sometimes be deviated, causing one nostril to appear larger than the other. With extreme damage to the septum and columella, the two nostrils are no ...
Rhinosporidium seeberi is a eukaryotic pathogen responsible for rhinosporidiosis, a disease which affects humans, horses, dogs, and to a lesser extent cattle, cats, foxes, and birds. [2] It is most commonly found in tropical areas, especially India and Sri Lanka.
In a typical mammalian body such as the human body, the external body orifices are: The nostrils, for breathing and the associated sense of smell; The mouth, for eating, drinking, breathing, and vocalizations such as speech; The ear canals, for the sense of hearing; The nasolacrimal ducts, to carry tears from the lacrimal sac into the nasal cavity
A nationwide fascination with drones flamed by reports of uncrewed aerial vehicles across several eastern states including New Jersey, New York and Maryland has now prompted federal officials to ...
During Senate sessions, senators exercising their constitutional power to provide its "advice and consent" hold hearings and confirmation votes for presidential appointmees such as Cabinet heads ...
As dogs grow older, their performance and ability to learn new smells is reduced. Female dogs have a greater sense of smell than males. A variety of diseases can decrease a dog's sense of smell, such as canine distemper and nasal mites. Dogs have an enhanced sense of smell when fed a high-fat, low-protein diet. There are a number of theories ...