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Greek -ῖτις (-îtis) fem. form of -ίτης (-ítēs), pertaining to, because it was used with the feminine noun νόσος (nósos, disease), thus -îtis nósos, disease of the, disease pertaining to tonsillitis-ium: structure, tissue Latin -ium, aggregation or mass of (such as tissue) pericardium
Suffixes are attached to the end of a word root to add meaning such as condition, disease process, or procedure. In the process of creating medical terminology, certain rules of language apply. These rules are part of language mechanics called linguistics. The word root is developed to include a vowel sound following the term to add a smoothing ...
The pia mater (Latin: tender mother) [9] is a very delicate membrane. It is the meningeal envelope that firmly adheres to the surfaces of the brain and spinal cord, following all of the brain's contours (gyri and sulci). It is a very thin membrane composed of fibrous tissue covered on its outer surface by a sheet of flat cells thought to be ...
The arachnoid mater covering the brain is referred to as the arachnoidea encephali, and the portion covering the spinal cord as the arachnoidea spinalis. The arachnoid and pia mater are sometimes considered as a single structure, the leptomeninx, or the plural version, leptomeninges ( lepto , from the Greek root meaning "thin" or "slender").
Image of the human brain showing sulci, gyri, and fundi shown in a Coronal section. Specific terms are used to represent the gross anatomy of the brain: A gyrus is an outward folding of the brain, for example the precentral gyrus. A sulcus is an inward fold, or valley in the brain's surface - for example the central sulcus. Additional terms ...
Subdural hematomas grow continually larger as a result of the pressure they place on the brain: As intracranial pressure rises, blood is squeezed into the dural venous sinuses, raising the dural venous pressure and resulting in more bleeding from the ruptured bridging veins. They stop growing only when the pressure of the hematoma equalizes ...
Scientists just discovered a secret fourth membrane in the human brain. Here's why that matters.
The risk of rupture is less than one percent for aneurysms of this size. [44] The prognosis for a ruptured cerebral aneurysm depends on the extent and location of the aneurysm, the person's age, general health, and neurological condition. Some individuals with a ruptured cerebral aneurysm die from the initial bleeding.