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Image of Endoneurium

Endoneurium

Endoneurium Definition It refers to a tubular structure or endoneurial channel. It separates axons from each other inside a peripheral nerve. It is also known by other names like “Connective tissue sheath of Key and Retzius” and “Henle’s sheath.”

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Picture of Transverse temporal gyrus

Transverse temporal gyrus

What is Transverse temporal gyrus? It refers to a gyrus or convolution that can be found in primary auditory cortex situated inside the lateral sulcus of the Brodmann regions 41 of the human brain.

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Image of Superior temporal gyrus

Superior temporal gyrus

What is Superior temporal gyrus? It refers to one of the three gyri, or convolutions and is located in the temporal lobe of the brain of humans. It is the topmost gyrus of the human temporal lobe. Simply put, it is one of the elevations or convex folds in the surface of the human brain.

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Picture of Superior temporal sulcus

Superior temporal sulcus

What is Superior temporal sulcus? It is the sulcus or fissure that separates the superior temporal gyrus in the temporal brain lobe from the middle temporal gyrus. The Superior temporal sulcus is abbreviated as STS. In Latin, it is known as Sulcus temporalis superior. Superior temporal sulcus Location It is the first groove that lies [...]

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Image of Parieto-occipital sulcus

Parieto-occipital sulcus

Parieto-occipital sulcus Definition It is a sulcus or deep fissure located close to the posterior end of each brain hemisphere. It is also known as Parietooccipital fissure. In Latin, the structure is known as Sulcus parietooccipitalis or Fissura parietooccipitalis. Parieto-occipital sulcus Location It is positioned on the medial surface of the layer of unmyelinated neurons [...]

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Picture of Preoccipital notch

Preoccipital notch

Preoccipital notch Definition It is a notch, or indentation, in the ventrolateral edge of the temporal lobe of either half of the cerebrum (Cerebral hemisphere). Preoccipital notch Synonyms It is known by a variety of names, like: Incisura praeoccipitalis Incisura preoccipitalis Incisura parieto-occipitalis Occipital notch Preoccipital incisure Preoccipital incisura Preoccipital notch Appearance It is approximately [...]

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Image of Inferior temporal gyrus

Inferior temporal gyrus

What is Inferior temporal gyrus? It refers to a convolution or elevation on the temporal lobe of the cerebral hemispheres that lie beneath the middle temporal sulcus and stretches to the inferior sulcus. It is abbreviated as ITG and is also known as “Gyrus Temporalis Inferior”. Inferior temporal gyrus Location It is one of the [...]

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Image of Lateral sulcus

Lateral sulcus

Lateral sulcus Definition It is one of the most conspicuous brain structures in humans. It is the most prominent and deepest section of the cortical sulci. It is one of the sulci that develop earliest in the human brain. It appears first around the 14th gestational week. Lateral sulcus Synonyms The structure is also known [...]

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Picture of Middle temporal gyrus

Middle temporal gyrus

Middle temporal gyrus Definition It refers to a gyrus, meaning an elevation or a convex fold, on the temporal lobe in the surface of the brain. This structure should not be confused with medial temporal lobe. It is abbreviated as MTG or even GTm. GTm refers to the fact that it is also often referred [...]

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Image of Central sulcus

Central sulcus

Central sulcus Definition It is a furrow or deep groove in the brain. It is said to have a ‘map’ of the body on each side that matches the other side. It is also known as “Fissure of Rolando” or “Rolandic Fissure,” after the noted Italian anatomist Luigi Rolando. Central sulcus Location It is located [...]

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