An anatomical characteristic of the orbit is that structures are arranged in groups of seven. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Orbit can refer to the bony socket, or it can also be used to imply the contents. Anatomy of orbit free download as powerpoint presentation. In anatomy, the orbit is the cavity or socket of the skull in which the eye and its appendages are situated. The content focuses on the skeletal and soft tissue architecture and does not include a description of the ocular globe, which is beyond the intention of this article and can be found in. Applied anatomy of bony orbit fractures of facial skeleton le forts fracture blowout fractures. They enclose the eyeball and its associated structures. The orbit is related 1 on its superior side to the anterior cranial fossa and usually. When you browse the imaios website, cookies are placed on your browser. The medial walls of orbit are roughly parallel and are about 25 mm apart in an adult.
The lateral walls of orbit angles about 90 degrees from each other. Pair of pyramidal bony cavities,with its base in front, and its apex the orbitbehind the orbital margin is formedabove by the frontal bone withthe supraorbital notch or foramen the lateral margin is formed bythe processes of frontal andzygomatic bones the inferior margin is formed byzygomatic bone and maxilla the medial. The veins that communicate with the cavernous sinus are. View anatomy of orbit ppts online, safely and virusfree. Owing to the fact that there are no valves in the sinus and its connected veins, the direction of blood flow is dependent on venous pressure. The anatomy of the eye includes auxillary structures, such as the bony eye socket and extraocular muscles, as well as the structures of the eye itself, such as the lens and the retina. Two bony orbits, often called the sockets, are on either side of the nose in the front of the skull. Parts of the eye american academy of ophthalmology. All ppt slides can be fully customised and edited to include additional labelling. The orbit can be split into two parts, an anterior part containing the eye ball and a posterior compartment containing the muscles, the vessels and the nerves. Voluntary muscles four recti superior, inferior, medial and lateral. Anatomy of orbit quadrangular truncated pyramidal in shape.
Scotts anatomy of the eye and orbit was written as an 634187 ppt. Azza mohammed zaki, contents of orbit bony orbit extraocular muscles nerves in orbit lacrimal apparatus. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Anatomy and physiology of the eye eye and orbit the bony orbit. In this article, we shall look at the borders, contents and clinical correlations of the bony orbit.
A continuation of surgical anatomy of the orbit join ammedicine group surgical anatomy around the orbit pdf free download, surgical anatomy around the orbit pdf, surgical anatomy around the orbit ebook preface this fullcolor surgical atlas provides a detailed, truetolife view of periorbital. The orbits are paired structures, located on the anterior part of the face. Name different levels of structural organization that make up the human body, and explain their relationships. Surgical anatomy around the orbit pdf the system of zones.
Dural venous sinuses, cavernous sinus thrombosis, cavernous sinus syndrome, caroticocavernous fistula, triangular space near the cavernous sinus. The orbit is a feature of the face and contains the globe and its supporting structures, as well as many nerves and vessels. Find powerpoint presentations and slides using the power of, find free. The orbit appears as a pyramid, with its base opening anteriorly onto the. The description above only offers a superficial overview of the anatomy of the eyelid. The orbits are conical structures dividing the upper facial skeleton from the middle face and surround the organs of vision.
The sclera and cornea form the fibrous outermost layer. The bony orbit is made out of seven bones, which include the maxilla, zygomatic bone, frontal bone, ethmoid bone, lacrimal bone, sphenoid bone and palatine bone. Superiorly anterior cranial fossa medially nasal cavity. If you continue browsing the site, you agree to the use of cookies on this website. A continuation of surgical anatomy of the orbit by barry m. They are pyramidal, with the wide opening on the front of the orbit analogous to the base, while the tip of the pyramid points towards the brain. Each orbit is shaped like a pear or a foursided pyramid, with its apex situated posteriorly and its base anteriorly. View and download powerpoint presentations on anatomy of orbit ppt. A comprehensive knowlege of orbital and peri orbital anatomy is necessary to understand the various disorders of this region and in its surgical mangement. View and download powerpoint presentations on orbit anatomy ppt. It is important for the oculoplastic surgeon, or anyone performing orbital surgery, to have a strong understanding vascular anatomy. In this article, we shall look anatomy of the parasympathetic innervation to the head and neck its structure, anatomical course, and its clinical correlations. The orbit, which protects, supports, and maximizes the function of the eye, is shaped like a quadrilateral pyramid, with its base in plane with the orbital rim. All recti from tendinous ring, lr also from orbital surface of greater wing of sphenoid lps orbital surface of lesser.
Surgical anatomy around the orbit pdf download medical books. To understand the diseases and conditions that can affect the eye, it helps to understand basic eye anatomy. While significant variability exists1, this article will detail the standard vascular anatomy of the human orbit. Anatomy the branch of science that deals with the structure of body parts, their forms, and how they are organized. Pair of pyramidal bony cavities,with its base in front, and its apex the orbitbehind. Help students to visually navigate the complexities of the human body with our accurate anatomy powerpoint templates. Anatomy ppts by elizabeth james anatomy ppts shared by bani issa anatomy sectional human anatomy digestive system mr.
These fibres continue into the orbit to innervate structures of the eye. Human anatomy and physiology powerpoint last modified by. The eye sits in a protective bony socket called the orbit. This article covers the anatomy and location of the cavernous sinus and helps you to understand the clinical relevance. The orbit is a pyramidal space that is formed by seven bones. Human anatomy basic concepts of anatomy definition. Quizlet flashcards, activities and games help you improve your grades. Human anatomy human anatomy basic concepts of anatomy definition. Anatomy of orbit and clinical aspect of orbital disease above, it is related to frontal lobe cerebrum and meninges. Anatomy orbits are quadrangular truncated pyramidal in shape bounded. In the orbit, all openings are arranged around the base, apex or between the orbital walls. Gross anatomy in the adult, the orbit has a volume of approximately 30 ml, of which the globe occupies 6. Original source unknown, but an excellent video detailing orbital anatomy.
Introduction to human bod y powerpoint presentation. Venous drainage from the lids empties into the ophthalmic vein and the veins that drain the forehead. Bounded by superiorly anterior cranial fossa medially nasal cavity and. Seven bones conjoin to form the orbital structure, as shown in the image below. Explore the human body with our detailed anatomy powerpoint slides. Parasympathetic innervation to the head and neck anatomy.
If your first name is mukesh verma and title of your presentation is anomalies of. A thorough understanding of the anatomy of the eye, orbit, visual pathways, upper cranial nerves, and central pathways for the control of eye movements is a prerequisite for proper interpretation of diseases having ocular manifestations. Scotts anatomy of the eye and orbit was written as an electronic textbook to make use of the new tools and smart technology available for teaching anatomy. It separates the orbit from temporal fossa and from middle cranial fossa. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. If one were to look at the eyelid in a more detailed manner, a sagittal section taken across the eyelid will offer a clear view of the various structures that form it. This gallery of images presents the anatomy of the temporal bone by means of ctscan reconstructions. Physiology deals on how the systems of the body work, and the ways in which their integrated cooperation maintains life and health of an individual. The rim of orbit in an adult measures about 40mm horizontally and 35 mm vertically. Here is a tour of the eye starting from the outside, going in through the front and working to the back. A clinical perspective in conjunction with anatomy of orbit slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Anatomy of orbit and clinical aspect of orbital disease. An eye and orbit ultrasound uses highfrequency sound waves to measure and produce detailed images of your eye and eye orbit the socket in your skull that holds your eye this test provides a. Anatomy and physiology is the science of the structure of the body combined with the science of the functions of the body.
Cavernous sinus anatomy and clinical relevance lecturio. Introduction orbit is the anatomical space bounded. Below, it is related to frontal nerve, levator palpebrae superioris, superior rectus. Click on each category of cookies to enable or disable their use. Use the mouse scroll wheel to move the images up and down alternatively use the tiny arrows on both side of the image to move the images. I would love to hear from the producers if they see this fair use notice this. The orbits or eye sockets are bilateral and symmetrical bony cavities in the head. The cavernous sinus is an unconventional venous system in the sense that it does not have a unidirectional flow of blood. Anatomy venous drainage from the lids empties into the ophthalmic vein and ppt presentation summary. Kashinatha shenoy m 1, gopalakrishna k 2 and preetha 1.
Veins superior ophthalmic vein drains into cavernous sinus inferior ophthalmic vein drains into pterygoid plexus and cavernous sinus both veins anastamose with the facial vein gafs fig. Anatomy of the eye and and orbit on medical illustrations, photos and ophtalmologic exams. Six extraocular muscles in the orbit are attached to the eye. Anatomy of orbit nervous system human head and neck. This mri orbits and paranasal sinuses cross sectional anatomy tool is absolutely free to use. Powerpoint presentation ophthalmology basic science. Morphologically, each orbit is a four sided pyramid with a posterior apex and anterior base. Scribd is the worlds largest social reading and publishing site. Skull cranial skeleton neurocranium calarvia frontal, temporal, parietal, occipital cranial base facial skeleton viscerocranium skull 2 neurocranium. Human eye, specialized sense organ in humans that is capable of receiving visual images, which are relayed to the brain.
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