View synonyms for sinus

sinus

[ sahy-nuhs ]

Phonetic (Standard)IPA

noun

, plural si·nus·es.

a curve; bend.
a curving part or recess.
Anatomy.
1. any of various cavities, recesses, or passages, as a hollow in a bone, or a reservoir or channel for venous blood.
2. one of the hollow cavities in the skull connecting with the nasal cavities.
3. an expanded area in a canal or tube.
Pathology. a narrow passage leading to an abscess or the like.
Botany. a small, rounded depression between two projecting lobes, as of a leaf.

sinus

/ ˈsaɪnəs /

anatomy
1. any bodily cavity or hollow space
2. a large channel for venous blood, esp between the brain and the skull
3. any of the air cavities in the cranial bones
pathol a passage leading to a cavity containing pus
botany a small rounded notch between two lobes of a leaf, petal, etc
an irregularly shaped cavity

sinus

/ sī′nəs /

A cavity or hollow space in a bone of the skull, especially one that connects with the nose.
A channel for the passage of a body fluid, such as blood.

Origin of sinus¹

1590–1600; < Latin sinus (stem sinu- ) bent or curved surface, curve, fold

Origin of sinus¹

C16: from Latin: a curve, bay

A fair number explicitly ask for an antibiotic, to cover the possibility that it is “bronchitis” or a “sinus infection.”

Benign secondary headaches include headaches associated with the cold, flu, or sinus infections.

First of all, migraines often are misdiagnosed as sinus headaches.

One of the entries reads: “I spoke with a doctor for a long time about my sinus infections.”

I suffered intense sinus flare-ups, headaches, high blood pressure, wheezes, and coughs.

Sinus duo sunt maiores, vastque; alter is, qui S. Laurentij gurges; alter, qui Francius appellatur.

Dr Klein's account of the origin of the sinus terminalis is quite correct.

From the first the sinus terminalis possesses cellular walls, as is clear from its mode of origin.

Cory and Kelly, sixty-eight ounces of blood was removed from the sinus, by aspiration.

The fluid in the sinus has increased gradually since the evacuation of it with the aspirator.

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