The occipital condyles are two large protrusion on the inferior surface of the occipital bone, next to the front half of the large hole. It forms the connection between the skull and spine.
What is the location and function of the occipital condyle?
noun anatomy. A protrusion on the occipital bone of the skull that articulates with the first cervical vertebra and enables the head to move relative to the neck.
How many occipital condyles are there in the human skull?
In most higher vertebrates, the macropore is surrounded by a ring of four bones. The basal pillow is located in front of the opening, two The occipital condyles are located bilaterally, and the larger supraoccipital condyles are located posteriorly and form at least part of the back of the skull.
What is the function of the occipital condyle?
The occipital bone is the anterior concave bone that forms the base of the skull.The occipital condyles are paired kidney-shaped structures that form the base of the occipital bone and are Structural basis of the skull-cervical joint.
Do humans have occipital condyles?
Purpose: The human occipital condyle is Unique bone structure connecting the skull and spine. Advances in neuroimaging techniques have increased interest in invasive cranial spine surgery. This procedure requires knowledge of the anatomy of the craniovertebral junction.
37 related questions found
What movement does the atlanto-occipital joint allow?
The atlas and occiput form the atlanto-occipital joint, which allows neck flexion. When you nod your head for « yes, » this is neck flexion. The atlas and shaft form the atlantoaxial joint, which allows for head rotation.
Does the occipital bone move?
The occipital, atlas and axis are Responsible for most spine rotation, extension and flexion– Simply put, nowhere else in your spine moves more than the CVJ.
What is the occipital process?
Occipital process (Processus occipitalis) Covering the side of the petromastoid part. It is an extension of the zygomaticotemporal ridge, reaching the occipital contact in most species.
What does the occipital bone refer to?
: of, Related to or in or near the occiput.
What is the largest opening in the occipital bone?
The most striking feature of the occipital bone is this large opening. big hole, through which the spinal cord and its accompanying structures pass. The portion of the occipital bone in front of the foramen magnum is called the basal portion and is often referred to as the occipital base.
Why is my occipital bone so big?
Young people may have large bone spurs in the back of the head Due to poor posture of the technician,research shows. … a bony growth known as the « external occipital bulge » at the back of the skull, just above the base of the neck.
What is the significance of the occipital condyle test?
What is the function of the occipital condyle?The occipital condyle is a round process. They are located on either side of the foramen magnum and allow articulation of the skull and spine.
Is occipital bulge normal?
The external occipital eminence (EOP) is normal anatomy Located on the posterior surface of the occiput, at the level of the superior nimbus.
Why does my occipital bone hurt?
The most common cause of occipital neuralgia is Compression of nerves at the base of the human neck. Sometimes this is caused by a person’s neck muscles being too tight. In some cases, it can be caused by an injury to the head or neck. Chronic neck tension is another common cause.
Occipital neuralgia comes and goes?
Some people with occipital neuralgia experience the following symptoms disappear for a long time, while others may have symptoms so severe and frequent that they cannot be used. A common symptom of occipital neuralgia is headache, pain in the back of the neck and from the head to the scalp.
Can you feel the extra-occipital bulge?
Skull bulge – called extraoccipital bulge – sometimes so large that you can pass Press your fingers to the base of the skull.
What are the two lumps on the back of the head called?
These growths take place in a very specific location on the skull: just on the lower back of our head, we have a large plate called the occiput, and in the middle of it there is a slight bulge called the occiput. External occipital protuberance (EOP)where some neck ligaments and muscles attach.
What is the occipital bone connected to?
skull protects brain
The occipital bone is the only skull bone attached to cervical spine. It has many important functions, but its most important role is to protect your brain.
How to best classify the atlanto-occipital joint?
The atlantooccipitalis (Capsula articularis atlantooccipitalis) is the joint between the atlas and the occiput. It consists of a pair of condylar joints.It is a synovial joint.
Which side of the atlanto-occipital joint is concave?
Each joint consists of two concave articular surfaces the superior side of the lateral mass of the atlas It connects with the convex surface on the occipital condyle. The joints are reinforced by fibrous capsules that support each joint.
Is it the occipital bone?
occipital bone is posterior skull and the main bone of the occipital bone. Like all other cranial bones, it is considered a flat bone, which means its main function is to protect or provide a broad surface for muscle attachment. The scalp consists of five layers that cover the bones.
What is the expression of the occipital condyle of the skull?
Background: The occipital condyles of the skull and articular surface of atlas And form an important connection point between the skull and the spine. The morphological features of the occipital condyle are relevant to biomechanical, anatomical and clinical studies.
Do turtles have occipital condyles?
The occipital condyle is the structure at the back of the skull that allows it to articulate with the first cervical vertebra. Most reptiles have only one occipital condyle, while mammals have two. …all modern reptiles have a diforamoid skull type, except For turtles with foraminifera skulls.
Which species have the occipital bone used as a distinguishing feature?
Presence of a single occipital condyle Dinosaurs (including birds) The situation in crocodiles is in stark contrast to that of amphibians and synapsids (including mammals such as Homo sapiens), where two occipital condyles are present.