Definition of Sinus

1. Noun. An abnormal passage leading from a suppurating cavity to the body surface.

Exact synonyms: Fistula
Generic synonyms: Passage, Passageway
Derivative terms: Fistular, Fistulous



2. Noun. Any of various air-filled cavities especially in the bones of the skull.

3. Noun. A wide channel containing blood; does not have the coating of an ordinary blood vessel.

Definition of Sinus

1. n. An opening; a hollow; a bending.

Definition of Sinus

1. Noun. (anatomy) A pouch or cavity in any organ or tissue, especially the paranasal sinus. ¹

2. Noun. (pathology) An abnormal cavity or passage such as a fistula, caused by the destruction of tissue. ¹

¹ Source: wiktionary.com

Definition of Sinus

1. a cranial cavity [n -ES]

Medical Definition of Sinus

1. A notch, depression or cavity on the surface of an organ. (09 Oct 1997)

Sinus Pictures

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Lexicographical Neighbors of Sinus

sinuation
sinuations
sinuatrial
sinuatrial chamber
sinuatrial nodal artery
sinuatrial node
sinuitis
sinuose
sinuosities
sinuosity
sinuous
sinuously
sinuousness
sinuousnesses
sinupalliate
sinus (current term)
sinus alae parvae
sinus anales
sinus aortae
sinus arrest
sinus arrhythmia
sinus barotrauma
sinus bradycardia
sinus caroticus
sinus cavernosus
sinus circularis
sinus coronarius
sinus durae matris
sinus ethmoidales

Literary usage of Sinus

Below you will find example usage of this term as found in modern and/or classical literature:

1. Medical Lexicon: A Dictionary of Medical Science : Containing a Concise by Robley Dunglison (1848)
"To the straight sinus belongs the inferior longitudinal. The longitudinal sinus, properly so called, has no sinus under its dependence. ..."

2. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"surface of the corresponding hemisphere; they open into the superior cerebral veins, or occasionally into the inferior longitudinal sinus. ..."

3. Medical Lexicon: A Dictionary of Medical Science : Containing a Concise by Robley Dunglison (1868)
"Ophthalmic, see Cavernous sinus—s. Ov tus, see Crista vestibuli— a. .... This sinus lies transversely at the anterior part of the ..."

4. The U. S. Coal Industry, 1970-1990: Two Decades of ChangeTechnology (1994)
"3.2.1.2 The sinuses The sinus cavities are shown in Figure 3-7. Although paranasal sinus barotrauma occurs only rarely in divers, inflammation and ..."

5. Anatomy, Descriptive and Applied by Henry Gray (1913)
"The anterior passes in front of the hypophysis cerebri, the posterior behind it, and they form with the cavernous sinuses a venous circle (circular sinus) ..."

6. The Lancet (1898)
"Should such an anatomical condition be present it is easy to see how pus secreted from the mucous membrane lining the frontal sinus wonld first of all flow ..."

7. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1902)
"Histological investigation of the growth showed it to be a fibroma. The X-ray in Determining the Limits of the Frontal sinus. ..."

8. Medical Lexicon: A Dictionary of Medical Science : Containing a Concise by Robley Dunglison (1848)
"To the straight sinus belongs the inferior longitudinal. The longitudinal sinus, properly so called, has no sinus under its dependence. ..."

9. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"surface of the corresponding hemisphere; they open into the superior cerebral veins, or occasionally into the inferior longitudinal sinus. ..."

10. Medical Lexicon: A Dictionary of Medical Science : Containing a Concise by Robley Dunglison (1868)
"Ophthalmic, see Cavernous sinus—s. Ov tus, see Crista vestibuli— a. .... This sinus lies transversely at the anterior part of the ..."

11. The U. S. Coal Industry, 1970-1990: Two Decades of ChangeTechnology (1994)
"3.2.1.2 The sinuses The sinus cavities are shown in Figure 3-7. Although paranasal sinus barotrauma occurs only rarely in divers, inflammation and ..."

12. Anatomy, Descriptive and Applied by Henry Gray (1913)
"The anterior passes in front of the hypophysis cerebri, the posterior behind it, and they form with the cavernous sinuses a venous circle (circular sinus) ..."

13. The Lancet (1898)
"Should such an anatomical condition be present it is easy to see how pus secreted from the mucous membrane lining the frontal sinus wonld first of all flow ..."

14. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1902)
"Histological investigation of the growth showed it to be a fibroma. The X-ray in Determining the Limits of the Frontal sinus. ..."

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