The word "protuberantia occipitalis externa" is a scientific term used to describe a bony ridge located on the external surface of the occipital bone at the back of the skull. It is pronounced /proʊtjuːˈbɛrəntiə ɒksɪpaɪˈteɪlɪs ɛkˈstɜːrnə/ in IPA phonetic transcription. The spelling of this word can be broken down into its individual phonemes, making it easier to understand and spell correctly. The word contains a mixture of Latin and English components, reflecting the importance of etymology in scientific terminology.
Protuberantia occipitalis externa is a term used in anatomy to refer to a specific bony prominence on the external surface of the occipital bone, located at the back of the skull. The occipital bone is a flat bone situated at the lower part of the cranium, forming the posterior aspect of the skull. This bony prominence, protuberantia occipitalis externa, is typically found in the midline, near the superior portion of the occipital bone.
Protuberantia occipitalis externa is also known as the external occipital protuberance or the external occipital crest. It serves as an important anatomical landmark as it provides attachment sites for several muscles, ligaments, and connective tissues. For instance, the nuchal ligament, which is crucial for stabilizing the head and neck, attaches to this prominence.
The size and shape of the protuberantia occipitalis externa can vary among individuals. In some cases, it may be more pronounced or prominent, while in others, it may be flatter or less noticeable. The prominence of this structure may also change over time due to factors such as age or certain medical conditions.
Overall, the protuberantia occipitalis externa is an important anatomical feature on the back of the skull, serving as an attachment point for various structures and contributing to the overall structure and functionality of the head and neck region.
External occipital protuberance, a prominence about the center of the outer surface of the squamous portion of the occipital bone, giving attachment to the ligamentum nuchae.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.