from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A depression or cavity formed by a bending or curving.
- n. Anatomy A dilated channel or receptacle containing chiefly venous blood.
- n. Anatomy Any of various air-filled cavities in the bones of the skull, especially one communicating with the nostrils.
- n. Pathology A fistula leading from a pus-filled cavity.
- n. Botany A recess or indentation between lobes of a leaf or corolla.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A pouch or cavity in any organ or tissue, especially the paranasal sinus.
- n. An abnormal cavity or passage such as a fistula, caused by the destruction of tissue.
from the GNU version of the Collaborative International Dictionary of English
- n. An opening; a hollow; a bending.
- n. A bay of the sea; a recess in the shore.
- n. A cavity; a depression.
- n. A cavity in a bone or other part, either closed or with a narrow opening.
- n. A dilated vessel or canal.
- n. A narrow, elongated cavity, in which pus is collected; an elongated abscess with only a small orifice.
- n. A depression between adjoining lobes.
from The Century Dictionary and Cyclopedia
- n. A bend or fold; a curving part of anything; a sinuosity; specifically, a bay of the sea; a gulf.
- n. 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.
- n. In pathology, a narrow passage leading to an abscess or other diseased locality; a fistula.
- n. 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.
- n. The bony air-sinuses of the head. See def. 2 .
- n. The rhombocœlia. Also called sinus rhomboidalis.
- n. one of the sinuses of the dura mater (see above), or
- n. a sinus venosus (see above).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an abnormal passage leading from a suppurating cavity to the body surface
- n. any of various air-filled cavities especially in the bones of the skull
- n. a wide channel containing blood; does not have the coating of an ordinary blood vessel
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.
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).
KNOX: That, he says, will be the next big advance in sinus treatment.
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.
If the sinus is removed, keeping pressure off of the incision is imperative to good wound healing.
One odd thing resulted from the surgery ... now his heart is back in sinus (sp?) rhythm.
The sinus node generates the electric impulse that starts your heartbeat, so this is known as a sinus rhythm.
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.
He killed it stone dead by thrusting a stiff straw back into the brain through the "little hole in its face," as he called the sinus which leads into the head cavity.
An inflammation of the sinus cavities - rhinosinusitis which is commonly referred to as a sinus infection is a common but expensive condition in the United States.