The ethmoid bone (d; from Greek ethmos, `sieve`) is a bone in the skull that separates the nasal cavity from the brain. It is located at the roof of the nose, between the two orbits. The cubical bone is lightweight due to a spongy construction. The ethmoid bone is one of the bones that make up the orbit of the eye. ==Structure== The ethmoid has .....
Found on
http://en.wikipedia.org/wiki/Ethmoid_bone
(from the article `skeletal system, human`) ...for the falx cerebri, a subdivision of dura mater that separates the right and left cerebral hemispheres. On either side of the crest is the ...
Found on
http://www.britannica.com/eb/a-z/e/48
Sagittal section of the skull showing the ethmoid bone (white). Image from Gray's Anatomy An irregularly shaped bone of the skull which lies between the orbital plates of the frontal bone and anterior to the sphenoid bone. The ethmoid bone consists of two lateral masses of thin plates enclosin...
Found on
http://www.daviddarling.info/encyclopedia/E/ethmoid_bone.html
An irregularly shaped bone lying between the orbital plates of the frontal and anterior to the sphenoid bone; it consists of two lateral masses of thin plates enclosing air cells, attached above to a perforated horizontal lamina, the cribriform plate, from which descends a median vertical or perpendicular plate in the interval between the two later...
Found on
http://www.encyclo.co.uk/local/20973
a sievelike bone located between the orbits and forming part of the roof and lateral and medial walls of both nasal cavities. It consists of two box-shaped ethmoidal labyrinths joined to each other on top by a horizontal perforated sheet of bone, the cribriform plate. In addition, it also includes another sheet of bone (t...
Found on
http://www.encyclo.co.uk/local/21001
A sievelike bone lying in front of the sphenoid bone which forms part of the orbit and the nasal cavity.
Found on
http://www.gadsbywicks.co.uk/uploaded/3822.pdf
Type: Term Definitions: 1. an irregularly shaped bone lying between the orbital plates of the frontal bone and anterior to the sphenoid bone of the cranium; it consists of two lateral ethmoidal labyrinths of thin plates enclosing air cells, attached above to a perforated horizontal lamina, the cribriform plate, from which descends a median, vertica...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=11225
Ethmoid bone: An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the nose. The ethmoid bone consists of two masses of thin plates enclosing air cells and looks like a sieve.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=10339
The ethmoid bone is a bone of very spongy substance, somewhat irregularly cubical in shape, lying at the root of the nose, between the two orbits or eye-sockets, and forming part of the bony wall of both. The segment of the ethmoid bone which forms part of the inner wall of the orbital cavity is called the orbital plate, while another segment, form...
Found on
http://www.probertencyclopaedia.com/browse/EE.HTM
No exact match found.
