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The orbital septum is an important structure that separates anterior and posterior extent of the orbit. Orbital septum acts as a physical barrier that prevents the infection of the anterior part of the eye spreading posteriorly. For example, preseptal cellulitis mainly infects the eyelids, anterior to the orbital septum. Meanwhile, orbital ...
The orbital contents comprise the eye, the orbital and retrobulbar fascia, extraocular muscles, cranial nerves II, III, IV, V, and VI, blood vessels, fat, the lacrimal gland with its sac and duct, the eyelids, medial and lateral palpebral ligaments, cheek ligaments, the suspensory ligament, septum, ciliary ganglion and short ciliary nerves.
The cribriform plate forms the roof of the nasal cavity and also contributes to formation of the anterior cranial fossa, [4] the ethmoidal labyrinth consists of a large mass on either side of the perpendicular plate, and the perpendicular plate forms the superior two-thirds of the nasal septum. [3] Between the orbital plate and the nasal ...
The attached or orbital margins are connected to the circumference of the orbit by the orbital septum. The lateral angles are attached to the zygomatic bone by the lateral palpebral raphe. The medial angles of the two plates end at the lacrimal lake, and are attached to the frontal process of the maxilla by the medial palpebral ligament).
The eyelid is made up of several layers; from superficial to deep, these are: skin, subcutaneous tissue, orbicularis oculi, orbital septum and tarsal plates, and palpebral conjunctiva. The meibomian glands lie within the eyelid and secrete the lipid part of the tear film.
The sphenoid bone is in red (directly in the middle of the orbital cavity) Wedge-shaped sphenoid bone seen laterally. It is divided into the following parts: a median portion, known as the body of sphenoid bone, containing the sella turcica, which houses the pituitary gland as well as the paired paranasal sinuses, the sphenoidal sinuses [5]
Incoming president Donald Trump may seem like a climate change abettor. He thinks global warming is a hoax and wants to undo many of President Biden’s green energy projects.Trump has nominated ...
Anatomy figure: 33:02-02 at Human Anatomy Online, SUNY Downstate Medical Center - "Diagram of skeleton of medial (septal) nasal wall." Atlas image: rsa1p7 at the University of Michigan Health System - "Nasal septum, lateral view" lesson9 at The Anatomy Lesson by Wesley Norman (Georgetown University) (nasalseptumbonescarti