Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,761,219,315 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

mastoid antrum

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.02 sec.
antrum /an·trum/ (an´trum) pl. an´tra, antrums   [L.] a cavity or chamber.an´tral
cardiac antrum  the short conical portion of the esophagus below the diaphragm, its base being continuous with the cardiac orifice of the stomach.
frontal antrum  see under sinus.
antrum of Highmore  maxillary sinus.
mastoid antrum , antrum mastoi´deum an air space in the mastoid portion of the temporal bone communicating with the tympanic cavity and the mastoid cells.
antrum maxilla´re , maxillary antrum maxillary sinus.
pyloric antrum , antrum pylo´ricum the dilated portion of the pyloric part of the stomach, between the body of the stomach and the pyloric canal.
Enlarge picture
Pyloric antrum (antrum pyloricum).
tympanic antrum , antrum tympa´nicum mastoid a.

mastoid antrum
n.
A cavity in the petrous portion of the temporal bone that communicates with the mastoid sinuses and epitympanic recess of the middle ear. Also called tympanic antrum.

mastoid antrum,
a cavity continuous with mastoid cells. It is separated from the middle cranial fossa above by the tegmen tympani.

antrum
pl. antra [L.] a cavity or chamber.

mastoid antrum
an air space in the human mastoid portion of the temporal bone communicating with the middle ear and the mastoid cells.
maxillary antrum, antrum maxillare
maxillary sinus, especially of humans.
pyloric antrum, antrum pyloricum
the lumen of the pyloric part of the stomach; the pump of the stomach, regulating the propulsion of food through the pylorus into the duodenum.
tympanic antrum, antrum tympanicum
mastoid antrum.


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Email
Feedback
Add definition
? Mentioned in
 
Medical browser? ? Full browser
 
 
Medical Dictionary
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.