Basal vein
basal vein
basal vein n.
A large vein passing caudally and dorsally along the medial surface of the temporal lobe and emptying into the great cerebral vein from the lateral side.
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the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure. noun a fine-grained dark basic igneous rock consisting of plagioclase feldspar, a pyroxene, and olivine: the most common volcanic rock and usually extrusive See flood basalt a form of black unglazed […]
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the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure. Historical Examples At this place the cliffs which overhang the southern bank presented a fine collection of basaltic columns. Early Western Travels 1748-1846, Volume 28 Various No doubt the basaltic mountains […]
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