Median line, flute . . . longitudinal groove, formed by bone formation and/or muscular development, running along from the center of the skull, i.e., the frontal bone junction, towards the stop [between the eyes].
A common word for an elongate aperture. Comment: Examples: colpus, sulcus, tenuitas. Furrow membrane ( Wodehouse, 1935) Synonym of colpus membrane. Galea (pl. galeae, adj. galeate) ( Sullivan, 1964) A relatively large element of the outer wall of a spore consisting of a sharply tapering spine and a broad bulbous base.