BACILLAR LAYER Meaning and
Definition
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The term "bacillar layer" refers to a specific anatomical layer found in the retina of the eye. It is a part of the innermost layer of the retina known as the ganglion cell layer, which is responsible for transmitting visual information from the eye to the brain.
The bacillar layer is characterized by its peculiar arrangement of specialized cells known as bipolar cells and ganglion cells. These cells form a dense network in this particular layer, and their strategic positioning allows for effective communication and transmission of visual signals.
The bipolar cells within the bacillar layer serve as intermediaries between the photoreceptor cells (rods and cones) and the ganglion cells. They receive light stimuli from the photoreceptor cells and convert them into electrical signals that can be further transmitted to the ganglion cells.
The ganglion cells, on the other hand, gather and integrate the electrical signals received from the bipolar cells, which are then sent through their axons towards the optic nerve for subsequent processing in the brain.
The bacillar layer also plays a vital role in enhancing visual acuity. Due to the concentration and arrangement of its cells, it allows for the spatial organization and precise capturing of visual stimuli, thus contributing to a clearer and more detailed visual perception.
Overall, the bacillar layer of the retina is an essential component of the visual system, contributing to the transmission and processing of visual information for perception and interpretation by the brain.
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The layer of rods and cones of the retina.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for BACILLAR LAYER
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Etymology of BACILLAR LAYER
The word "bacillar layer" is a scientific term used in neuroanatomy to refer to a specific layer of cells in the retina called the "inner nuclear layer".
The term "bacillar" is derived from the Latin word "bacillum", which means "small rod" or "stick". It is related to the Latin word "baculus", meaning "rod" or "staff". In this context, "bacillar" refers to the shape of the cells found in the inner nuclear layer of the retina, which are rod-like or elongated.
The word "layer" simply refers to a distinct, separate level or stratum of cells.
Therefore, when combined, the term "bacillar layer" describes the specific layer of the retina that contains rod-shaped cells in the inner nuclear layer.
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