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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.
An aquiline nose (also called a Roman nose) is a human nose with a prominent bridge, giving it the appearance of being curved or slightly bent. The word aquiline comes from the Latin word aquilinus ("eagle-like"), an allusion to the curved beak of an eagle.
Given the problem of the aerodynamic design of the nose cone section of any vehicle or body meant to travel through a compressible fluid medium (such as a rocket or aircraft, missile, shell or bullet ), an important problem is the determination of the nose cone geometrical shape for optimum performance. For many applications, such a task requires the definition of a solid of revolution shape ...
The distinctive human nose shape, nostrils, and nasal septum. The cheeks, covering the maxilla and mandible (or jaw), the extremity of which is the chin. The mouth, with the upper lip divided by the philtrum, sometimes revealing the teeth. Facial appearance is vital for human recognition and communication.
The face is the anterior part of the head, containing the eyes, nose, and mouth. On either side of the mouth, the cheeks provide a fleshy border to the oral cavity. The ears sit to either side of the head.
The skull is a bone protective cavity for the brain. [1] The skull is composed of three types of bone: cranial bones, facial bones, and ear ossicles. Two parts are more prominent: the cranium ( pl.: craniums or crania) and the mandible. [2] In humans, these two parts are the neurocranium (braincase) and the viscerocranium ( facial skeleton ...
The piriform aperture, pyriform aperture, or anterior nasal aperture is a pear -shaped opening in the human skull . Its long axis is vertical, and narrow end upward; in the recent state it is much contracted by the lateral nasal cartilage and the greater and lesser alar cartilages of the nose . It is bounded above by the inferior borders of the ...
The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary history. In land animals, the respiratory surface is ...
François Bernier, Carl Linnaeus and Blumenbach had examined multiple observable human characteristics in search of a typology. Bernier based his racial classification on physical type which included hair shape, nose shape and skin color. Linnaeus based a similar racial classification scheme.
In anatomy, a nasal concha ( / ˈkɒnkə /; pl.: conchae; / ˈkɒnkiː /; Latin for 'shell'), also called a nasal turbinate or turbinal, [1] [2] is a long, narrow, curled shelf of bone that protrudes into the breathing passage of the nose in humans and various other animals. The conchae are shaped like an elongated seashell, which gave them their name (Latin concha from Greek κόγχη ). A ...