pinna

pinna

pin·na / ˈpinə/ • n. (pl. pin·nae / ˈpinē/ ) 1. Anat. & Zool. the external part of the ear in humans and other mammals; the auricle. 2. Bot. a primary division of a pinnate leaf, esp. of a fern. 3. Zool. any of a number of animal structures resembling fins or wings.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"pinna." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"pinna." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O999-pinna.html

"pinna." The Oxford Pocket Dictionary of Current English. 2009. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-pinna.html

Learn more about citation styles

pinna

pinna (auricle) The visible part of the outer ear, present in some mammals. It is made of cartilage and its function is to channel sound waves into the external auditory meatus. In some species the pinna is movable and aids in detecting the direction from which a sound originates.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"pinna." A Dictionary of Biology. 2004. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"pinna." A Dictionary of Biology. 2004. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O6-pinna.html

"pinna." A Dictionary of Biology. 2004. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-pinna.html

Learn more about citation styles

pinna

pinna (auricle) (pin-ă) n. the flap of skin and cartilage that projects from the head at the exterior opening of the external auditory meatus of the ear.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"pinna." A Dictionary of Nursing. 2008. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"pinna." A Dictionary of Nursing. 2008. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O62-pinna.html

"pinna." A Dictionary of Nursing. 2008. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-pinna.html

Learn more about citation styles

pinna

pinna Flap of skin and cartilage that comprises the visible, external part of the ear. It helps to collect sound waves and direct them into the ear canal.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"pinna." World Encyclopedia. 2005. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"pinna." World Encyclopedia. 2005. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O142-pinna.html

"pinna." World Encyclopedia. 2005. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-pinna.html

Learn more about citation styles

pinna

pinna
1. In Mammalia, an extension of the external ear to form a trumpet-like structure, often mobile, supported by cartilage.

2. Fin, or fin-like limb.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

MICHAEL ALLABY. "pinna." A Dictionary of Zoology. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "pinna." A Dictionary of Zoology. 1999. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O8-pinna.html

MICHAEL ALLABY. "pinna." A Dictionary of Zoology. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-pinna.html

Learn more about citation styles

pinna

pinna One of the leaflets of a pinnate leaf.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

MICHAEL ALLABY. "pinna." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "pinna." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O7-pinna.html

MICHAEL ALLABY. "pinna." A Dictionary of Plant Sciences. 1998. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-pinna.html

Learn more about citation styles

Free newspaper and magazine articles

Second branchial cleft anomaly presenting as a rudimentary pinna in the...
Magazine article from: Ear, Nose and Throat Journal; 9/1/2004
Neurofibroma of the pinna.(Case study)
Magazine article from: Ear, Nose and Throat Journal; 1/1/2007
Cappit/Pinnas System International wins framework contract from Posten Norge.
Newspaper article from: Nordic Business Report; 1/18/2002

Facts and information from other sites

Pictures from Google Image Search

Click to see an enlarged picture
Click to see an enlarged picture
Click to see an enlarged picture

See more pictures of pinna