| ostia venarum pulmonalium | The orifices of the pulmonary veins, usually two on each side, in the wall of the left atrium. Synonym: ostia venarum pulmonalium. (05 Mar 2000) |
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| ostia | Plural of ostium. Origin: L. (05 Mar 2000) |
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| ramus lateralis ramorum lobaris medium arteriorum pulmonalium dextrorum | Lateral branch of middle lobe branch of right pulmonary artery. See: lateral branches. (05 Mar 2000) |
| ramus medialis rami lobaris medii arteriorum pulmonalium dextrorum | Medial branch of middle lobar branch of right pulmonary artery. See: medial branches. (05 Mar 2000) |
| ramus dorsalis venarum intercostalium posteriorum IV-XI | Major tributary of the 4th through 11th posterior intercostal veins; area drained is the same as that supplied by the dorsal branch of posterior intercostal arteries. Synonym: ramus dorsalis venarum intercostalium posteriorum IV-XI. (05 Mar 2000) |
| sinus venarum cavarum | The portion of the cavity of the right atrium of the heart that receives the blood from the venae cavae; it is separated from the rest of the atrium by the crista terminalis. Synonym: sinus venarum cavarum. (05 Mar 2000) |
| foramina venarum minimarum cordis | <anatomy> A number of fossae in the wall of the right atrium, containing the openings of minute intramural veins. Synonym: foramina venarum minimarum cordis, foramina of the smallest veins of heart, Lannelongue's foramina, thebesian foramina, Vieussens' foramina. (05 Mar 2000) |