Definitions
from The Century Dictionary.
- noun In anatomy, the opening at the summit of the cochlea where the scala vestibuli and scala tympani communicate.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Anat.) The opening by which the two scalæ communicate at the top of the cochlea of the ear.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy The
opening by which the twoscalae communicate at the top of thecochlea of theear .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Near the summit of the cochlea the lamina ends in a hook-shaped process, the hamulus laminæ spiralis; this assists in forming the boundary of a small opening, the helicotrema, through which the two scalæ communicate with each other.
X. The Organs of the Senses and the Common Integument. 1d. 4. The Internal Ear or Labyrinth 1918
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Its extremities are closed; the upper is termed the lagena and is attached to the cupula at the upper part of the helicotrema; the lower is lodged in the recessus cochlearis of the vestibule.
X. The Organs of the Senses and the Common Integument. 1d. 4. The Internal Ear or Labyrinth 1918
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In the recent state a membrane, the basilar membrane, stretches from the free border of this lamina to the outer wall of the bony cochlea and completely separates the canal into two passages, which, however, communicate with each other at the apex of the modiolus by a small opening named the helicotrema.
X. The Organs of the Senses and the Common Integument. 1d. 4. The Internal Ear or Labyrinth 1918
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The scala vestibuli reaches to the tip of the cochlea where it connects to another tube called the scala tympani, which also contains perilymph, via a junction celled helicotrema.
CreationWiki - Recent changes [en] MindyMo 2010
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