Which is the only bone in the human body that doesn't touch another bone?

Hyoid bone The hyoid bone is the only bone in the human body that doesn't touch another bone. It is located above the larynx and anchors the tongue muscles. Wikipedia: hyoid bone Bone: Hyoid bone Hyoid bone.

Anterior surface. Enlarged. Anterolateral view of head and neck.

Latin os hyoideum Gray's subject #45 177 Precursor 2nd and 3rd branchial arch1 MeSH Hyoid+Bone The hyoid bone (Lingual Bone) is a bone in the human neck, and is the only bone in the skeleton not articulated to any other bone. It is supported by the muscles of the neck and in turn supports the root of the tongue. The hyoid bone is shaped like a horseshoe, and is suspended from the tips of the styloid processes of the temporal bones by the stylohyoid ligaments.

Segments It consists of five segments: body of hyoid bone greater cornu (2) lesser cornu (2) Ossification The hyoid is ossified from six centers: two for the body, and one for each cornu. Ossification commences in the greater cornua toward the end of fetal life, in the body shortly afterward, and in the lesser cornua during the first or second year after birth. Muscle attachments The following muscles attach to the hyoid:2 superior Middle pharyngeal constrictor muscle Hyoglossus muscle Digastric muscle Stylohyoid muscle Geniohyoid muscle Mylohyoid muscle Genioglossus inferior Thyrohyoid muscle Omohyoid muscle Sternohyoid muscle Function The hyoid bone is involved in the production of human speech.It allows a wider range of tongue and laryngeal movements by bracing these structures against each other.

It is not present in any of our closest living relatives, but it did exist in virtually identical form in Neanderthal man. That suggests, along with other anthropological clues of communication, that the Neanderthal employed some form of spoken language. Fracture Due to its position, the hyoid bone is not usually easy to fracture in most situations.

Professional wrestler Lance Storm suffered such an injury in a match when Christian Cage struck his throat with a misplaced lariat (forearm strike)1. In cases of suspicious death, a fractured hyoid is a strong sign of strangulation. Etymology Its name is derived from the Greek word hyoeides meaning "shaped like the letter upsilon" (?).

Additional images Larynx Head and neck of a human embryo eighteen weeks old, with Meckel’s cartilage and hyoid bar exposed. Muscles of the pharynx and cheek. Muscles of the neck.

Lateral view. The internal carotid and vertebral arteries. Right side.

The ligaments of the larynx. Antero-lateral view. Sagittal section of the larynx and upper part of the trachea.

Coronal section of larynx and upper part of trachea. The entrance to the larynx, viewed from behind. Sagittal section of nose mouth, pharynx, and larynx.

Extrinsic muscles of the tongue. Left side. The thyroid gland and its relations.

Front view of neck. Sources: Kuakini Health system archives and answers.Com .

I believe it is the hyoid bone. I believe it is the hyoid bone.

The hyoid (under the mandible). The hyoid is located underneath the mandible and in front of the vertebral column. It is the only bone in the human body that does not touch another bone.It is held in place with tissues (muscles, ligaments, etc).

It does act as a base for the attachment for some, but not all, of the muscles that move the tongue. The tongue actually has a few types of muscle tissue in it (oriented in different ways: ex. Front to back, up and down, side to side) that do not actually attach to any bones (these are the ones that allow you to change the shape of your tongue), in addition to the muscles that attach to the hyoid and the mandible.

Sources: Medical, Bones, Trivia, Yahoo. Com search Rio24's Recommendations The Hyoid Bone.(Brief Article): An article from: World Literature Today Amazon List Price: $5.95 Muscles: head, neck, face, TMJ, hyoid, eye (Body integration) .

That's a hard one! The ham bone? I won't go through all of the this bone connected to the other bone.

That would take forever. So what is it? .

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I'LL BREAK EVERY BONE IN YOUR BODY! " Did you ever break one in yours? Tell us about it.

I need to know if the damage from medicine has spread to other places in the body, tendons, muscles,etc.

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