WebNov 28, 2024 · Supra-orbital margin: forms on each side upper concave margin of the orbital opening and separate the vertical part from the horizontal part (orbital plate); sharp and prominent in its lateral 2/3 and rounded in its medial 1/3; ends laterally in the zygomatic process which articulates with the frontal process of the zygomatic bone. WebDec 13, 2024 · The sphenoid is an unpaired bone. It sits anteriorly in the cranium, and contributes to the middle cranial fossa, the lateral wall of the skull, and the floor and sides of both orbits. It has articulations with …
Ethmoid bone - Wikipedia
WebApr 10, 2024 · 1. : the part of the frontal bone forming most of the top of the orbit. 2. : a thin plate of bone forming the lateral wall enclosing the ethmoidal air cells and forming part of the side of the orbit next to the nose. WebDec 17, 2014 · Orbital Roof Fractures. Orbital roof fractures are commonly the result of high impact trauma, accounting for approximately 1 to 9% of all facial bone fractures. 2 Orbital roof fractures are considered to be a subregion of injury of frontobasal trauma, 3 which also includes the frontal sinuses, nasoethmoid, cribriform plate, lateral orbital wall, superior … simply new homes henry adams
Frontal bone: Anatomy, borders and development Kenhub
WebNov 30, 2024 · The inferior surface of the frontal lobe (or frontobasal, or orbital) is the smallest cortical surface, lying on the floor of the anterior cranial fossa. The medial part of the inferior surface is traversed by the deep olfactory sulcus, which contains the olfactory tract and olfactory bulb. • The inferior surface of each orbital plate is smooth and concave, and presents, laterally, under cover of the zygomatic process, a shallow depression, the lacrimal fossa, for the lacrimal gland; near the nasal part is a depression, the fovea trochlearis, or occasionally a small trochlear spine, for the attachment of the cartilaginous pulley of the obliquus oculi superior. • The superior surface is convex, and marked by depressions for the convolutions of the frontal lobes of the brain, and fa… WebFractures of the roof of the orbit are typically associated with trauma to the forehead/frontal bone are are often extensions of superior orbital rim fractures. Isolated non-displaced orbital roof fractures most commonly seen in children and rarely require surgical intervention. Disease Orbital Roof Fracture (ICD - # 801.01) Etiology simply new company engineering names uk