lesser wing การใช้

• The sphenethmoid bone forms as three bones : the lesser wings and the anterior part of the base.
• The male has a dark blue body, with brighter blue highlights on the supercilium, forecrown, rump and lesser wing coverts.
• The upper plumage, the lesser wing coverts, and the lower tail coverts of the female are brownish blue, with the edges of the feathers brighter.
• The roof ( superior wall ) is formed primarily by the orbital plate frontal bone, and also the lesser wing of sphenoid near the apex of the orbit.
• The Vivid Niltava a medium-sized ( 16 cm ) member of the Old World Flycatcher family, has a deep purplish blue on the head, back, tail and lesser wing coverts, and bright rufous orange below.
• The lesser wing is connected to the body by two roots, the upper thin and flat, the lower thick and triangular; between the two roots is the optic foramen, for the transmission of the optic nerve and ophthalmic artery.
• It is bounded in front by the posterior margins of the lesser wings of the sphenoid bone, the anterior clinoid processes, and the ridge forming the anterior margin of the chiasmatic groove; behind, by the superior angles of the petrous portions of the temporal bones and the dorsum sell? laterally by the temporal squam? sphenoidal angles of the parietals, and greater wings of the sphenoid.