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. They enclose the eyeball and its associated structures. Orbit can refer to the bony socket, or it can also be used to imply the contents. If your first name is mukesh verma and title of your presentation is anomalies of. Skull cranial skeleton neurocranium calarvia frontal, temporal, parietal, occipital cranial base facial skeleton viscerocranium skull 2 neurocranium. An anatomical characteristic of the orbit is that structures are arranged in groups of seven. It separates the orbit from temporal fossa and from middle cranial fossa. Morphologically, each orbit is a four sided pyramid with a posterior apex and anterior base. Pair of pyramidal bony cavities,with its base in front, and its apex the orbitbehind. Anatomy and physiology is the science of the structure of the body combined with the science of the functions of the body. Below, it is related to frontal nerve, levator palpebrae superioris, superior rectus. It is important for the oculoplastic surgeon, or anyone performing orbital surgery, to have a strong understanding vascular anatomy. Introduction orbit is the anatomical space bounded. This mri orbits and paranasal sinuses cross sectional anatomy tool is absolutely free to use.
Applied anatomy of bony orbit fractures of facial skeleton le forts fracture blowout fractures. Parts of the eye american academy of ophthalmology. Anatomy ppts by elizabeth james anatomy ppts shared by bani issa anatomy sectional human anatomy digestive system mr. Introduction to human bod y powerpoint presentation. Anatomy of orbit nervous system human head and neck. Human anatomy basic concepts of anatomy definition. Anatomy the branch of science that deals with the structure of body parts, their forms, and how they are organized. Human eye, specialized sense organ in humans that is capable of receiving visual images, which are relayed to the brain. The orbit is a pyramidal space that is formed by seven bones.
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. Human anatomy human anatomy basic concepts of anatomy definition. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. 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.
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. Scribd is the worlds largest social reading and publishing site. The veins that communicate with the cavernous sinus are. Anatomy of orbit quadrangular truncated pyramidal in shape. Seven bones conjoin to form the orbital structure, as shown in the image below.
The orbits are conical structures dividing the upper facial skeleton from the middle face and surround the organs of vision. Powerpoint presentation ophthalmology basic science. Each orbit is shaped like a pear or a foursided pyramid, with its apex situated posteriorly and its base anteriorly. Cavernous sinus anatomy and clinical relevance lecturio.
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. A clinical perspective in conjunction with anatomy of orbit slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Two bony orbits, often called the sockets, are on either side of the nose in the front of the skull. Anatomy of the eye and and orbit on medical illustrations, photos and ophtalmologic exams. If you continue browsing the site, you agree to the use of cookies on this website. Scotts anatomy of the eye and orbit was written as an 634187 ppt. The orbit appears as a pyramid, with its base opening anteriorly onto the. Anatomy venous drainage from the lids empties into the ophthalmic vein and ppt presentation summary. In this article, we shall look at the borders, contents and clinical correlations of the bony orbit. 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. 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.
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. View and download powerpoint presentations on anatomy of orbit ppt. Name different levels of structural organization that make up the human body, and explain their relationships. I would love to hear from the producers if they see this fair use notice this. Surgical anatomy around the orbit pdf the system of zones. Parasympathetic innervation to the head and neck anatomy. The rim of orbit in an adult measures about 40mm horizontally and 35 mm vertically. This article covers the anatomy and location of the cavernous sinus and helps you to understand the clinical relevance.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Six extraocular muscles in the orbit are attached to the eye. Find powerpoint presentations and slides using the power of, find free. In this article, we shall look anatomy of the parasympathetic innervation to the head and neck its structure, anatomical course, and its clinical correlations. View anatomy of orbit ppts online, safely and virusfree. 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. Anatomy orbits are quadrangular truncated pyramidal in shape bounded. Anatomy and physiology of the eye eye and orbit the bony orbit. 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.
The orbits are paired structures, located on the anterior part of the face. 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. Original source unknown, but an excellent video detailing orbital anatomy. These fibres continue into the orbit to innervate structures of the eye.
The orbit is a feature of the face and contains the globe and its supporting structures, as well as many nerves and vessels. In the orbit, all openings are arranged around the base, apex or between the orbital walls. Superiorly anterior cranial fossa medially nasal cavity. Anatomy of orbit and clinical aspect of orbital disease. Here is a tour of the eye starting from the outside, going in through the front and working to the back. Dural venous sinuses, cavernous sinus thrombosis, cavernous sinus syndrome, caroticocavernous fistula, triangular space near the cavernous sinus. Explore the human body with our detailed anatomy powerpoint slides. Anatomy of orbit free download as powerpoint presentation. 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. Gross anatomy in the adult, the orbit has a volume of approximately 30 ml, of which the globe occupies 6. Voluntary muscles four recti superior, inferior, medial and lateral. The medial walls of orbit are roughly parallel and are about 25 mm apart in an adult. 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.
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. The orbits or eye sockets are bilateral and symmetrical bony cavities in the head. Azza mohammed zaki, contents of orbit bony orbit extraocular muscles nerves in orbit lacrimal apparatus. Click on each category of cookies to enable or disable their use. View and download powerpoint presentations on orbit anatomy ppt. The sclera and cornea form the fibrous outermost layer. A continuation of surgical anatomy of the orbit by barry m. Anatomy of orbit and clinical aspect of orbital disease above, it is related to frontal lobe cerebrum and meninges. 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. All recti from tendinous ring, lr also from orbital surface of greater wing of sphenoid lps orbital surface of lesser. This gallery of images presents the anatomy of the temporal bone by means of ctscan reconstructions. The eye sits in a protective bony socket called the orbit. Surgical anatomy around the orbit pdf download medical books. All ppt slides can be fully customised and edited to include additional labelling.
Help students to visually navigate the complexities of the human body with our accurate anatomy powerpoint templates. The cavernous sinus is an unconventional venous system in the sense that it does not have a unidirectional flow of blood. Quizlet flashcards, activities and games help you improve your grades. Kashinatha shenoy m 1, gopalakrishna k 2 and preetha 1. 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. The lateral walls of orbit angles about 90 degrees from each other. The orbit is related 1 on its superior side to the anterior cranial fossa and usually.