What attaches to the external occipital protuberance?

External occipital protuberance is a midline bony prominence in the occipital bone that ligamentum nuchae and trapezius muscle attach to its tip. The tentorium cerebelli attaches to its internal surface. Exaggerated external occipital protuberance also is known as an occipital spur.

Beside this, what muscles attach to the external occipital protuberance?

To it is attached, the splenius capitis muscle, the trapezius muscle and the occipitalis. From the external occipital protuberance a ridge or crest, the external occipital crest also called the median nuchal line, often faintly marked, descends to the foramen magnum, and affords attachment to the nuchal ligament.

Likewise, is external occipital protuberance normal? External occipital protuberance is normal anatomical entity, rarely it may show hyperostosis and may get prominent and causing pain and examination reveals presence of tender bony swelling. However, such occurrence is extremely uncommon.

Furthermore, what is the purpose of the external occipital protuberance?

The external occipital protuberance is a raised area on the midline of the occipital bone where the posterior wall meets the base of the skull. The external occipital protuberance of the occipital bone is of functional importance because it is the origin for: 1. the trapezius muscle.

What does a large external occipital protuberance mean?

a : a prominence on the outer surface of the occipital bone midway between the upper border and the foramen magnum that with the external occipital crest gives attachment to the ligamentum nuchae. — called also external occipital protuberance, inion.

Why does my occipital bone hurt?

Occipital neuralgia is most commonly caused by pinched nerves in the root of a person's neck. Sometimes this is caused by muscles that are too tight in a person's neck. In some cases, it can be caused by a head or neck injury. Chronic neck tension is another common cause.

Where is the occipital condyle located?

In most dinosaurs the occipital condyle is situated at the rear part of the skull, below the foramen magnum, and points toward the posterior of the animal.

What does the occipital bone protect?

Structure and Function. The occipital bone is a very complex bone that serves primarily to protect the cerebellum and the occipital lobes of the cerebrum and to provide attachment to several muscles and ligaments described below. It is trapezoidal and shallowly curved on itself.

What type of bone is the occipital bone?

The occipital bone is the trapezoid-shaped bone a the lower-back of the cranium (skull). The occipital bone houses the back part of the brain and is one of seven bones that come together to form the skull.

What does the occipital bone articulate with?

7.21The occipital bone is set at the rear of the cranium and articulates with the temporals, sphenoid, parietals, and the uppermost vertebra, the atlas.

What is the occipital region of the head?

Occipital Bone. The occipital bone is the trapezoidal-shaped bone found at the lower-back area of the cranium. The occipital is cupped like a saucer in order to house the back part of the brain. It is one of seven bones that fuse together to form the skull and is directly next to five of the cranium bones.

What does occipital mean in medical terms?

Medical Definition of Occipital Occipital: 1. Pertaining to the occiput, the back of head. 2. Located near the occipital bone as, for example, the occipital lobe of the brain.

What three muscles attach to the mastoid process?

The mastoid process serves for the attachment of the sternocleidomastoid, the posterior belly of the digastric muscle, splenius capitis, and longissimus capitis.

What is protuberance in anatomy?

protuberance. (prō-to͞′b?r-?ns, -tyo͞′-, pr?-) 1. Something, such as a bulge, knob, or swelling, that protrudes.

What is the bump on back of skull?

An occipital bun is a prominent bulge or projection of the occipital bone at the back of the skull. It is important in scientific descriptions of classic Neanderthal crania.

Does everyone have a bump on the back of their head?

Finding a bump on the head is very common. Some lumps or bumps occur on the skin, under the skin, or on the bone. In addition, each human skull has a natural bump on the back of the head. This bump, called an inion, marks the bottom of the skull where it attaches to the neck muscle.

Is the occipital part of the spine?

The occipital bone is a bone that covers the back of your head; an area called the occiput. The occipital bone is the only bone in your head that connects with your cervical spine (neck). Namely, it is what the spinal cord passes through to enter the skull.

What is the function of the parietal bone?

Function(s): The parietal bones form the posterior roof of the skull. The parietal bones provide mechanical protection of the brain, which is a function they perform in conjunction with other bones of the skull.

Where is the Inion on your head?

Near the middle of the squamous part of occipital bone is the external occipital protuberance, the highest point of which is referred to as the inion. The inion is the most prominent projection of the protuberance which is located at the posterioinferior (lower rear) part of the human skull.

What is the bump of knowledge?

Commonly Called a “Knowledge Bump” It is sometimes referred to as a “knowledge bump,” a “knowledge knot,” or a “wisdom bump,” so it should come as no surprise that it was once thought to be an indication of a dog's intelligence. Some breeds of dogs have a more prominent bump than others.

What does the Inion do?

The inion (plural: inia/inions) is the tip of the external occipital protuberance (EOP), the midline bony prominence in the occipital bone from which the ligamentum nuchae and trapezius muscle attach. It is usually easily palpable. It is the surface marking of the internal attachment of the tentorium cerebelli.