Calcarine
Calcarine
Calcarine (pronunciation: kal-kar-in) is a term used in the field of neuroanatomy to refer to the calcarine fissure, a deep groove located in the occipital lobe of the brain.
Etymology
The term "calcarine" is derived from the Latin word "calcar" which means "spur". This is in reference to the spur-like shape of the calcarine fissure.
Definition
The calcarine fissure, also known as the calcarine sulcus, is a prominent anatomical landmark on the medial surface of the occipital lobe. It is the primary visual cortex of the brain where visual information is processed. The anterior part of the calcarine fissure receives information from the peripheral visual field, while the posterior part receives information from the central visual field.
Related Terms
- Occipital Lobe: The occipital lobe is one of the four major lobes of the brain, and it is where the calcarine fissure is located. It is primarily responsible for visual processing.
- Primary Visual Cortex: Also known as V1, this is the region in the brain that processes visual information. It is located in the posterior part of the brain along the calcarine fissure in the occipital lobe.
- Visual Field: This is the entire area that can be seen when the eyes are focused on a central point. The visual field is divided into central and peripheral regions, both of which send information to different parts of the calcarine fissure.
- Neuroanatomy: This is the branch of anatomy that deals with the structure and function of the nervous system, including the brain and its components such as the calcarine fissure.
External links
- Medical encyclopedia article on Calcarine
- Wikipedia's article - Calcarine
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