Inner plexiform layer
Inner Plexiform Layer
The Inner Plexiform Layer (pronunciation: In-ner Plex-i-form Lay-er) is a layer of the retina that plays a crucial role in the visual processing system.
Etymology
The term "Inner Plexiform Layer" is derived from the Latin words "plexus" meaning "braid" and "forma" meaning "shape". The term "inner" is used to denote its position in the retina, closer to the center of the eye.
Definition
The Inner Plexiform Layer is one of the ten layers of the retina, located between the Inner Nuclear Layer and the Ganglion Cell Layer. It is composed of a network of synapses between the dendrites of bipolar cells and ganglion cells, and amacrine cells.
Function
The primary function of the Inner Plexiform Layer is to process visual information received from the photoreceptor cells and transmit it to the ganglion cells. It is in this layer that the final stage of integration of the visual signals takes place before they are sent to the brain via the optic nerve.
Related Terms
- Retina: The light-sensitive layer of tissue at the back of the inner eye.
- Inner Nuclear Layer: The layer of the retina that contains the cell bodies of bipolar cells, horizontal cells, and amacrine cells.
- Ganglion Cell Layer: The layer of the retina that contains the cell bodies of ganglion cells.
- Bipolar Cells: A type of neuron in the retina that connects photoreceptors to ganglion cells.
- Ganglion Cells: A type of neuron located near the inner surface of the retina that receives visual information from photoreceptors via bipolar cells.
- Amacrine Cells: A type of neuron in the retina that connects bipolar cells and ganglion cells.
- Photoreceptor Cells: Specialized type of neuron found in the retina that is capable of phototransduction.
- Optic Nerve: The nerve that transmits visual information from the retina to the brain.
External links
- Medical encyclopedia article on Inner plexiform layer
- Wikipedia's article - Inner plexiform layer
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