Roof plate

The lamina roof is a structural unit of the central nervous system in some animals, such as mammals, reptiles and birds, which plays an important role in processing auditory information. It consists of four plates, called the quadrigeminal, each of which is responsible for processing a specific characteristic of sound: pitch, duration and intensity.

In mammals, the lamina roof is part of a larger structure called the cerebral cortex, which is responsible for the perception of external stimuli. Hearing receptors are located in the cochlea of ​​the inner ear, where they convert sound waves into nerve impulses that are transmitted along the auditory nerve to the cochlea. The cochlea transmits these impulses to the layers



**lamina roof (lamina tecti)** is a layer of gray matter in the cerebral hemispheres. Corresponds to the inner capsule. The roof plate is a complex of gray matter that consists of six types of cells. These cells are arranged in six layers, called the layers of Retzius and Straussius. The layers of Retzius consist of four types of cells called astrocytes, the so-called quadrigeminal (lat. lamina tecti), syn. roof plates, lamina tect rumbase, lat. stratum quadrigeminum, was described by A. Fleishman and I. Krukenberg in 1869 as the location of cortical neurons that control eye movement. They are in the form of four arcs, with their convex sides facing forward. Each arc consists of a visual center, or the representation of visual information, and two opposing centers that control the anterior and posterior right hemispheres. The arcs differ most clearly in terms of age - the cells visually send impulses or do not send them at all, or send them too late.