nostril

(noun)

Either of the two orifices located on the nose (or on the beak of a bird); used as a passage for air and other gases to travel the nasal passages.

Related Terms

  • paranasal sinuses
  • maxillary sinuses
  • frontal sinuses

Examples of nostril in the following topics:

  • Deviated Nasal Septum

    • The nasal septum is the bone and cartilage in the nose that separates the nasal cavity into the two nostrils.
    • The surgeon inserts the surgical instrument through the nostrils and cuts away the obtruding matter.
  • Nose and Paranasal Sinuses

    • The external part of the human nose is the protruding part of the face that bears the nostrils.
    • The nasal septum is wall of cartilage that separates the right and left nostril chambers from each other.
  • Genus Homo

    • H. erectus also had a nose with downward-facing nostrils similar to modern humans, rather than the forward facing nostrils found in other primates.
    • Longer, downward-facing nostrils allow for the warming of cold air before it enters the lungs and may have been an adaptation to colder climates.
  • Vitiligo

    • Depigmentation is particularly noticeable around body orifices, such as the mouth, eyes, nostrils, genitalia, and umbilicus.
  • Microbiota of the Skin

    • Most similar are beside the nostril, nares (inside the nostril), and on the back.
  • Facial Muscles

    • Actions:  The transverse section closes the nostrils and the alar part opens them.
    • It acts to lift the upper lift and dilates nostril, producing a snarling expression.
  • Intermediate Filaments and Microtubules

    • They are short, hair-like structures that are used to move entire cells (such as paramecia) or substances along the outer surface of the cell (for example, the cilia of cells lining the Fallopian tubes that move the ovum toward the uterus, or cilia lining the cells of the respiratory tract that trap particulate matter and move it toward your nostrils).
  • Laryngitis and Cancer of the Larynx

    • For this reason, many specialist clinics now use fiber-optic nasal endoscopy where a thin and flexible endoscope, inserted through the nostril, is used to clearly visualize the entire pharynx and larynx.
  • Art in Western Europe

    • The drawings depict zoomorphic and anthropomorphic images of nature including horses and aurochs with mouths and nostrils.
  • Bell's Palsy

    • The facial nerves control a number of functions such as blinking and closing the eyes, smiling, frowning, lacrimation, salivation, flaring nostrils, and raising eyebrows.
Subjects
  • Accounting
  • Algebra
  • Art History
  • Biology
  • Business
  • Calculus
  • Chemistry
  • Communications
  • Economics
  • Finance
  • Management
  • Marketing
  • Microbiology
  • Physics
  • Physiology
  • Political Science
  • Psychology
  • Sociology
  • Statistics
  • U.S. History
  • World History
  • Writing

Except where noted, content and user contributions on this site are licensed under CC BY-SA 4.0 with attribution required.