Semisulcus is a term used in dentistry to refer to a groove found on the surface of a tooth. The spelling of this word can be broken down using the International Phonetic Alphabet (IPA) as /sɛmiˈsʌlkəs/. The first syllable is pronounced as "sem-ee" with the stress placed on the second syllable. The second and third syllables are pronounced as "sul-kus". This term is important in dentistry as it describes a common feature found on teeth and helps dentists diagnose and treat various dental conditions.
Semisulcus is a term used in anatomy to describe a shallow groove or depression that is present on the surface of an anatomical structure. Specifically, it is often associated with the brain and refers to a partially formed sulcus.
In the context of brain anatomy, sulci and gyri are the small grooves and ridges, respectively, that can be found on the cerebral cortex. These features help increase the surface area of the brain, allowing for more efficient neuronal connections and information processing.
A semisulcus, however, is an incomplete or shallow sulcus. It is characterized by a partially formed groove that may not extend as deeply or extensively as a typical sulcus. Semisulci are often observed in specific areas of the brain, such as the lateral aspect of the frontal lobe or the superior aspect of the temporal lobe.
While semisulci may not have the same depth or length as fully formed sulci, they still play an important role in brain function. They contribute to the overall folding pattern of the cerebral cortex, helping to create distinct brain regions and facilitating efficient communication between different areas.
In summary, a semisulcus is a shallow groove or depression on the surface of the brain, representing a partial formation of a sulcus. It contributes to the folding pattern of the cerebral cortex and aids in efficient communication within the brain.
A slight groove on the edge of a bone or other structure, which, uniting with a similar groove on the corresponding adjoining structure, forms a complete sulcus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "semisulcus" is derived from the Latin roots "semi-" meaning half, and "sulcus" meaning a groove or furrow. Thus, "semisulcus" refers to a half-groove or partial furrow.