Search results
Results from the WOW.Com Content Network
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.
The nasal bones are two small oblong bones, varying in size and form in different individuals; they are placed side by side at the middle and upper part of the face and by their junction, form the bridge of the upper one third of the nose. Each has two surfaces and four borders.
Vomer of infant. At an early period, the septum of the nose consists of a plate of cartilage, known as the ethmovomerine cartilage.. The posterosuperior part of this cartilage is ossified to form the perpendicular plate of the ethmoid; its anteroinferior portion persists as the septal cartilage, while the vomer is ossified in the membrane covering its posteroinferior part.
The minor alar cartilages are 3 to 4 small hyaline cartilage pieces on both sides of the nose that sit between the lateral nasal cartilage and the major alar cartilage. [9] Associated within the ala of the nose, these small structures are contained within the most dorsal part of the ala.
If your nose itches and you have some nasal congestion, Dr. Halim tells Parade this may be the culprit behind it. She explains, saying, “This occurs when histamine is released from allergens ...
You can rinse mucus out of your nose quickly with one containing a saline solution, but you have to make sure you’re using it safely. The Food and Drug Administration advises only using sterile ...
In cetaceans, the nose has been reduced to one or two blowholes, which are the nostrils that have migrated to the top of the head. This adaptation gave cetaceans a more streamlined body shape and the ability to breathe while mostly submerged. Conversely, the elephant's nose has elaborated into a long, muscular, manipulative organ called the trunk.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!