parasinoidal sinus

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sinus — 1. [TA] A channel for the passage of blood or lymph, without the coats of an ordinary vessel; e.g., blood passages in the gravid uterus or those in the cerebral meninges. 2. [TA] A cavity or … Medical dictionary
parasinoidal — Near a sinus, particularly a cerebral sinus. * * * para·si·noi·dal (par″ə si noiґdəl) [para + sino + oid + al1] situated along the course of a sinus … Medical dictionary
Lacuna — A small pit, cavity, defect or gap. * * * 1. [TA] A small space, cavity, or depression. 2. A gap or defect. 3. An abnormal space between strata or between the cellular elements of the epidermis. 4. SYN: corneal space. [L. a pit, dim. of lacus, a… … Medical dictionary
lacunae laterales — [TA] lateral lacunae: venous meshworks within the dura mater on either side of, and continuous with, the superior sagittal sinus; arachnoidal granulations project into them. Called also parasinusoidal lacunae, parasinoidal sinuses, or spaces … Medical dictionary

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