sinus

si·nus  (sns)

n.

1. A depression or cavity formed by a bending or curving.

2. Anatomy

a. A dilated channel or receptacle containing chiefly venous blood.

b. Any of various air-filled cavities in the bones of the skull, especially one communicating with the nostrils.

3. Pathology A fistula leading from a pus-filled cavity.

4. Botany A recess or indentation between lobes of a leaf or corolla.

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[Middle English, hollow in the body, from Medieval Latin, from Latin, curve, hollow.]

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sinus [sine-uss]

Noun

Anat a hollow space in bone, such as one in the skull opening into a nasal cavity [Latin: a curve]

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sinus  (sns) 1. A cavity or hollow space in a bone of the skull, especially one that connects with the nose. 2. A channel for the passage of a body fluid, such as blood.

sinus healthy sinus cavities

Thesaurus

Noun	1.	sinus - an abnormal passage leading from a suppurating cavity to the body surface fistula passageway, passage - a path or channel or duct through or along which something may pass; "the nasal passages"
	2.	sinus - any of various air-filled cavities especially in the bones of the skull ethmoid sinus, ethmoidal sinus, sinus ethmoidales - a sinus of the meatuses of the nasal cavity (behind the bridge of the nose) frontal sinus - one of a pair of cavities in the frontal bone maxillary sinus - one of a pair of sinuses forming a cavity in the maxilla nasal sinus, paranasal sinus, sinus paranasales - any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavities bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body
	3.	sinus - a wide channel containing blood; does not have the coating of an ordinary blood vessel venous sinus duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs" cavernous sinus, sinus cavernosus - either of a pair of large venous sinuses in the cranial cavity coronary sinus, sinus coronarius - a short sinus receiving most of the veins of the heart; empties into the right atrium sigmoid sinus, sinus sigmoideus - an S-shaped dural sinus on the temporal and occipital bones sinus rectus, straight sinus, tentorial sinus - an unpaired sinus of the dura mater sinus transversus, transverse sinus - a paired dural sinus; terminates in the sigmoid sinus

Translations

sinus [ˈsaɪnəs] n (ANAT) → seno

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sinus [ˈsaɪnəs] n (Anat) → sinus m inv

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sinus [ˈsaɪnəs] n → (Nasen)nebenhöhle f

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sinus [ˈsaɪnəs] n (ANAT) → seno

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sinus

n sinus [ˈsainəs]

(usually in plural) an air-filled hollow in the bones of the skull, connected with the nose His sinuses frequently become blocked in the winter; (also adjective ) He suffers from sinus trouble. sinus جَيْب أنْفي синус dutiny bihule; bihule- die Nebenhöhle/Nebenhöhlen ιγμόρειο seno põsekoobas حفره poskiontelo (des) sinus סִינוּס विवर, खातिका sinus, šupljina homloküreg sinus ennishola fistola; seno とう(の) 부비강(副鼻腔), 공동(空洞) sinusas sinuss sinus sinus drinken bihule zatoka seios nasais sinus пазуха, полость dutina sinus sinus bihåla โพรงในกระดูกศีรษะ sinüs, kemik içi boşluğu (鼻)竇, 穴 пазуха کھوپڑی میں ہوا سے بھری جوف یا خلا جو نتھنوں سے ملا ہوتا ہے xoang （鼻）窦, 穴