JUGULAR TUBERCLE Meaning and
Definition
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The jugular tubercle refers to a bony projection located at the base of the skull, specifically on the occipital bone. It is also known as the jugular process or the jugular notch. This anatomical feature is situated on either side of the occipital bone, just medial to the mastoid process.
The jugular tubercle serves as an important landmark for surgeons and anatomists as it acts as an attachment point for several muscles and ligaments in the neck region. It plays a crucial role in the formation of the posterior boundary of the jugular foramen, a key passageway through which several important nerves and blood vessels travel.
This tubercle provides insertion for the rectus capitis lateralis muscle, which aids in the movement of the head and neck. Additionally, the jugular tubercle acts as an attachment site for the posterior belly of the digastric muscle, which is involved in the opening of the mouth and swallowing.
Overall, the jugular tubercle is a prominent anatomical landmark that helps to anchor various muscles and ligaments in the neck region, and its presence is instrumental in the proper functioning of structures such as the jugular foramen.
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An oval elevation on the cerebral surface of the lateral part of the occipital bone, on either side of the foramen magnum.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for JUGULAR TUBERCLE
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Etymology of JUGULAR TUBERCLE
The word "jugular" originates from the Latin word "jugulum", which means "collarbone" or "throat". It is derived from "jugum", which means "yoke" or "bond". The term "jugular" is primarily associated with veins that are located in the neck, particularly the jugular veins that drain blood from the head.
The word "tubercle" also has Latin roots and is derived from the Latin word "tuber", meaning "swelling" or "lump". In anatomy, a "tubercle" refers to a small, round, or localized swelling or protuberance on a bone.
Therefore, the term "jugular tubercle" in anatomy refers to a small bony protuberance or swelling that is found near or related to the jugular vein in the neck region.
