The occipital condyle is a rounded projection that is present on the posterior (rear) of the dinosaur's skull. It articulates with the first cervical (neck) vertebra and, in effect, attaches the head of the dinosaur to its body.Keeping this in consideration, what is an occipital condyle fracture?
Occipital condyle fracture. Occipital condylar fractures are uncommon injuries usually resulting from high-energy blunt trauma. They are considered a specific type of basilar skull fracture, and importantly can be seen along with craniocervical dissociation.
Beside above, how many occipital condyles does the skull have? two occipital condyles
Hereof, what movement occurs at the occipital condyles?
During flexion, the occipital condyles move posteriorly. The right rotation that occurs as a consequence of the left side flexion causes the left condyle to move away from the flexion barrier toward the neutral position while the right condyle is moved posteriorly into the flexion barrier.
Where is the foramen magnum located?
The foramen magnum (Latin: great hole) is a large oval opening (foramen) in the occipital bone of the skull in humans and many other animals. It is one of the several oval or circular openings (foramina) in the base of the skull.
What does the occipital condyle do?
The occipital condyles are undersurface protuberances of the occipital bone in vertebrates, which function in articulation with the superior facets of the atlas vertebra.What is the purpose of the occipital bone?
Skull Bone Protecting the Brain The occipital bone is the trapezoid-shaped bone a the lower-back of the cranium (skull). The occipital bone is the only cranial bone to connect to the cervical spine. It has many important functions, but its most important role is in protecting your brain.How much force does it take to fracture a skull?
Quoting a bike-helmet study published in the Journal of Neurosurgery: Pediatrics, he wrote that 235 kg (520 pounds) or 2,300 newtons of force would be needed to crush a human skull, almost twice as much force as human hands could possibly muster.What is a hangman's fracture?
Hangman's fracture is a break in a specific part of one bone in the neck. Bones of the spine are called vertebrae. The bone involved in hangman's fracture is the second vertebra, toward the top of the neck, close to the skull. In a hangman's fracture, the pars of C2 fractures, or breaks, on both sides.What is an atlanto occipital dislocation?
Atlanto-occipital dislocation, orthopedic decapitation, or internal decapitation describes ligamentous separation of the spinal column from the skull base. It is possible for a human to survive such an injury; however, only 30% of cases do not result in immediate death.Can you live with a fractured skull?
In some instances, skull fractures can heal by themselves without treatment. However, more severe skull fractures may require surgery and can cause other complications, including brain damage.How long does it take to recover from a fractured skull?
Most skull fractures will heal by themselves, particularly if they're simple linear fractures. The healing process can take many months, although any pain will usually disappear in around 5 to 10 days. If you have an open fracture, antibiotics may be prescribed to prevent an infection developing.Where is the external occipital crest?
The external occipital crest is part of the external surface of the squamous part of the occipital bone. It is a ridge along the midline, beginning at the external occipital protuberance and descending to the foramen magnum, that gives attachment to the nuchal ligament. It is also called the median nuchal line.What does the atlanto occipital joint allow?
The atlas and the occipital bone form the atlanto-occipital joint, which allows neck flexion. When you nod your head as if to say "yes," that is neck flexion. The atlas and axis form the atlanto-axial joint, which allows head rotation.What kind of lever is the atlanto occipital joint?
The first class lever is one of three classes of levers and is one possible arrangement of muscles, bones, and joints found in the human body. While less common in the body than second and third class levers, the first class lever system is found in the neck at the atlanto-occipital joint and in the elbow joint.What is the name of the foramen located between the left and right occipital condyles?
Further out, at each junction between the occipital and petrous portion of the temporal bone lies a jugular foramen. The inner surface of the occipital bone is marked by dividing lines as shallow ridges, that form four fossae or depressions. The lines are called the cruciform (cross-shaped) eminence.How many occipital condyles do birds have?
In most fish, ancient amphibian fossils, and all reptiles and birds, there is a single occipital condyle located ventral to the foramen magnum. In modern amphibians and in mammals there are two occipital condyles. The bilateral orientation of the condyles places them ventrolateral or lateral to the foramen magnum.What is a pivot joint?
Pivot joint, also called rotary joint, or trochoid joint, in vertebrate anatomy, a freely moveable joint (diarthrosis) that allows only rotary movement around a single axis. The moving bone rotates within a ring that is formed from a second bone and adjoining ligament.Where is Occipito atlanto axial region?
The craniovertebral joints The atlanto-axial joint is composed of two lateral joints between the superior facets of the axis and inferior facets of the atlas and a median joint between the dens of the axis and the anterior arch and transverse ligament of atlas.What is a Condyloid joint?
A condyloid joint (also called condylar, ellipsoidal, or bicondylar) is an ovoid articular surface, or condyle that is received into an elliptical cavity. This permits movement in two planes, allowing flexion, extension, adduction, abduction, and circumduction.What is atlantoaxial joint?
The atlantoaxial joint is a joint in the upper part of the neck between the first and second cervical vertebrae; the atlas and axis. It is a pivot joint. The atlantoaxial joint is of a complicated nature. It consists of no fewer than four distinct joints.What movement occurs at the atlantoaxial joint?
Rotation is the primary movement at this joint - 60% of cervical rotation (50°) comes from the atlanto-axial articulation. This is allowed by the pivot articulation between the odontoid process of the axis and the ring formed by the anterior arch and the transverse ligament of the atlas. 
