Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A depression or cavity formed by a bending or curving.
- noun A dilated channel or receptacle containing chiefly venous blood.
- noun Any of various air-filled cavities in the bones of the skull, especially one communicating with the nostrils.
- noun Medicine A fistula leading from a pus-filled cavity.
- noun Botany A recess or indentation between two lobes or segments, as of a leaf.
from The Century Dictionary.
- noun A bend or fold; a curving part of anything; a sinuosity; specifically, a bay of the sea; a gulf.
- noun In anatomy and zoology, a cavity or hollow of bone or other tissue, in the widest sense; a bay, recess, pocket, dilatation, or excavation, generally deeper and less open than a fossa: used with either English or Latin context.
- noun In pathology, a narrow passage leading to an abscess or other diseased locality; a fistula.
- noun In botany, the recess or rounded curve between two projecting lobes: as, the sinuses of a repand or sinuate leaf. See cuts under kidney-shaped, pinnatifid, repand, and sinuate.
- noun The bony air-sinuses of the head. See def. 2 .
- noun The rhombocœlia. Also called
sinus rhomboidalis . - noun one of the sinuses of the dura mater (see above), or
- noun a sinus venosus (see above).
from the GNU version of the Collaborative International Dictionary of English.
- noun An opening; a hollow; a bending.
- noun A bay of the sea; a recess in the shore.
- noun (Anat. & Zoöl.) A cavity; a depression.
- noun A cavity in a bone or other part, either closed or with a narrow opening.
- noun A dilated vessel or canal.
- noun (Med.) A narrow, elongated cavity, in which pus is collected; an elongated abscess with only a small orifice.
- noun (Bot.) A depression between adjoining lobes.
- noun (Zoöl.) See under
Pallial . - noun (Anat.) In the lower vertebrates, a distinct chamber of the heart formed by the union of the large systematic veins and opening into the auricle.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy A pouch or cavity in any organ or tissue, especially the
paranasal sinus . - noun pathology An abnormal cavity or passage such as a
fistula , caused by the destruction of tissue.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an abnormal passage leading from a suppurating cavity to the body surface
- noun any of various air-filled cavities especially in the bones of the skull
- noun a wide channel containing blood; does not have the coating of an ordinary blood vessel
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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WATERS: The first question I had, and I am sure the Fords are asking the same question too, the president was at Hahnemann Hospital last night complaining of what he described as a sinus infection and wax buildup in the ear.
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The coalescence of the neural folds occurs first in the region of the hind-brain, and from there extends forward and backward; toward the end of the third week the front opening (anterior neuropore) of the tube finally closes at the anterior end of the future brain, and forms a recess which is in contact, for a time, with the overlying ectoderm; the hinder part of the neural groove presents for a time a rhomboidal shape, and to this expanded portion the term sinus rhomboidalis has been applied (Fig. 18).
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KNOX: That, he says, will be the next big advance in sinus treatment.
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Concrete filled steel profiles follow in sinus waves from the ground level to the top of the tower, creating a distinctive identity and complementing the tower design.
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KNOX: That, he says, will be the next big advance in sinus treatment.
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If the sinus is removed, keeping pressure off of the incision is imperative to good wound healing.
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One odd thing resulted from the surgery ... now his heart is back in sinus (sp?) rhythm.
Rough Morning drewan 2007
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The sinus node generates the electric impulse that starts your heartbeat, so this is known as a sinus rhythm.
Healing the Female Heart Elizabeth Ross 1996
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The sinus node generates the electric impulse that starts your heartbeat, so this is known as a sinus rhythm.
Healing the Female Heart Elizabeth Ross 1996
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The area innervated by the depressor nerves and the carotid sinus is therefore part of a common system, sometimes called the bridles of the blood pressure.
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