Sinus Definition & Meaning | Bay Area Crosswords

About The Word Sinus

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Sinus

Sinus Definition And Meaning
What's The Definition Of Sinus? [n] a wide channel containing blood; does not have the coating of an ordinary blood vessel [n] any of various air-filled cavities especially in the bones of the skull [n] an abnormal passage leading from a suppurating cavity to the body surface Synonyms \| Synonyms for Sinus: fistula \| venous sinus Related Terms \| Find terms related to Sinus: See Also \| bodily cavity \| canal \| cavernous sinus \| cavity \| cavum \| channel \| coronary sinus \| duct \| epithelial duct \| ethmoid sinus \| ethmoidal sinus \| frontal sinus \| maxillary sinus \| nasal sinus \| paranasal sinus \| passage \| passageway \| sigmoid sinus \| sinus cavernosus \| sinus coronarius \| sinus ethmoidales \| sinus paranasales \| sinus rectus \| sinus sigmoideus \| sinus transversus \| straight sinus \| tentorial sinus \| transverse sinus Sinus In Webster's Dictionary \Si"nus\, n.; pl. L. {Sinus}, E. {Sinuses}. [L., a bent surface, a curve, the folds or bosom of a garment, etc., a bay. Cf. {Sine}, n.] 1. An opening; a hollow; a bending. 2. A bay of the sea; a recess in the shore. 3. (Anat. & Zo["o]l.) A cavity; a depression. Specifically: (a) A cavity in a bone or other part, either closed or with a narrow opening. (b) A dilated vessel or canal. 4. (Med.) A narrow, elongated cavity, in which pus is collected; an elongated abscess with only a small orifice. 5. (Bot.) A depression between adjoining lobes. Note: A sinus may be rounded, as in the leaf of the white oak, or acute, as in that of the red maple. {Pallial sinus}. (Zo["o]l.) See under {Pallial}. {Sinus venosus}. [L., venous dilatation.] (Anat.) (a) The main part of the cavity of the right auricle of the heart in the higher vertebrates. (b) In the lower vertebrates, a distinct chamber of the heart formed by the union of the large systematic veins and opening into the auricle.

Sinus Definition And Meaning

What's The Definition Of Sinus?

[n] a wide channel containing blood; does not have the coating of an ordinary blood vessel
[n] any of various air-filled cavities especially in the bones of the skull
[n] an abnormal passage leading from a suppurating cavity to the body surface

Synonyms | Synonyms for Sinus: fistula | venous sinus

Related Terms | Find terms related to Sinus:

Sinus In Webster's Dictionary

\Si"nus\, n.; pl. L. {Sinus}, E. {Sinuses}. [L., a bent
surface, a curve, the folds or bosom of a garment, etc., a
bay. Cf. {Sine}, n.]
1. An opening; a hollow; a bending.

2. A bay of the sea; a recess in the shore.

3. (Anat. & Zo["o]l.) A cavity; a depression. Specifically:
   (a) A cavity in a bone or other part, either closed or
       with a narrow opening.
   (b) A dilated vessel or canal.

4. (Med.) A narrow, elongated cavity, in which pus is
   collected; an elongated abscess with only a small orifice.

5. (Bot.) A depression between adjoining lobes.

Note: A sinus may be rounded, as in the leaf of the white
      oak, or acute, as in that of the red maple.

{Pallial sinus}. (Zo["o]l.) See under {Pallial}.

{Sinus venosus}. [L., venous dilatation.] (Anat.)
   (a) The main part of the cavity of the right auricle of
       the heart in the higher vertebrates.
   (b) In the lower vertebrates, a distinct chamber of the
       heart formed by the union of the large systematic
       veins and opening into the auricle.

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