The correct spelling of "fossa sagittalis dextra" is pronounced "ˈfɒsə səˈdʒɪtəlɪs ˈdɛkstrə". The word "fossa" means "hole" or "depression" in Latin, and "sagittalis" means "arrow-like" or "shaped like an arrow". "Dextra" refers to the right side of the body. Therefore, altogether "fossa sagittalis dextra" describes the arrow-shaped depression on the right side of the skull. It is important to use the correct spelling and pronunciation of medical terms and anatomy in order to accurately communicate with other medical professionals.
The term "fossa sagittalis dextra" is a Latin anatomical term that refers to the right sagittal sinus. The term can be broken down into its constituent parts for a clearer understanding. "Fossa" translates to "cavity" or "pit" in Latin, while "sagittalis" means "sagittal," which refers to the suture dividing the skull longitudinally into right and left halves. Finally, "dextra" translates to "right" in Latin.
The sagittal sinus is a dural venous sinus located in the midline of the cranium, specifically within the falx cerebri, which is a fold of the dura mater that separates the cerebral hemispheres. It runs in the sagittal plane of the brain, from the crista galli anteriorly to the internal occipital protuberance posteriorly.
The fossa sagittalis dextra, therefore, specifically refers to the right side of the sagittal sinus. It is responsible for draining deoxygenated blood from the brain's right cerebral hemisphere and returning it to the internal jugular vein, which leads to the heart for reoxygenation. The sinus receives blood from smaller veins stemming from different regions of the brain on its respective side.
Understanding the anatomical terms used in medical and anatomical contexts is crucial for healthcare professionals, researchers, and any individuals interested in the field. It allows for better communication and comprehension when discussing the intricate structures and functions of the human body.
The combined f. vesicae felleae in front, and f. venae cavae behind, separated by the processus caudatus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.