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Rhinorrhea, rhinorrhoea, or informally runny nose is the free discharge of a thin mucus fluid from the nose; it is a common condition. It is a common symptom of allergies or certain viral infections, such as the common cold or COVID-19.
Human nose. The human nose is the first organ of the respiratory system. It is also the principal organ in the olfactory system. The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum, which separates the nostrils and divides the nasal cavity into two.
Nonallergic rhinitis is rhinitis—inflammation of the inner part of the nose—not caused by an allergy. Nonallergic rhinitis displays symptoms including chronic sneezing or having a congested, drippy nose, without an identified allergic reaction. Other common terms for nonallergic rhinitis are vasomotor rhinitis and perennial rhinitis.
The human nose is sensitive to geosmin and is able to detect it at concentrations as low as 0.4 parts per billion. Some scientists believe that humans appreciate the rain scent because ancestors may have relied on rainy weather for survival. Camels in the desert also rely on petrichor to locate sources of water such as oases. See also
Common symptoms present in the different types of leprosy include a runny nose; dry scalp; eye problems; skin lesions; muscle weakness; reddish skin; smooth, shiny, diffuse thickening of facial skin, ear, and hand; loss of sensation in fingers and toes; thickening of peripheral nerves; a flat nose from destruction of nasal cartilages; and ...
Cause. The cause of ENS is due to the body not accepting the new airflow in the nasal passages following surgical procedures. The nose is an incredibly complex area of the body and one that has been very poorly researched in terms of the effects on aerodynamics from surgical procedures.
Myiasis. Myiasis ( / maɪ.ˈaɪ.ə.səs / my-EYE-ə-səss [1] ), also known as flystrike or fly strike, is the parasitic infestation of the body of a live animal by fly larvae ( maggots) that grow inside the host while feeding on its tissue. Although flies are most commonly attracted to open wounds and urine - or feces -soaked fur, some species ...
Causes. Allergies, like hay fever, allergic reaction to pollen or grass; Common cold, influenza or COVID-19; Rhinitis medicamentosa, a condition of rebound nasal congestion brought on by extended use of topical decongestants (e.g., oxymetazoline, phenylephrine, xylometazoline, and naphazoline nasal sprays) Sinusitis or sinus infection
Conversely, human embryos possess a vomeronasal organ that persists, although this feature is vestigial throughout their lifetime. Primates are phylogenetically divided into Strepsirrhini, species that possess a curly "wet nose" rhinarium, and Haplorhini, those that possess a dry "simple nose
Rheum (/ r uː m /; from Greek: ῥεῦμα rheuma 'a flowing, rheum') is a thin mucus naturally discharged from the eyes, nose, or mouth, often during sleep (contrast with mucopurulent discharge). Rheum dries and gathers as a crust in the corners of the eyes or the mouth, on the eyelids, or under the nose.