Receptacle;
(In Compositae/Asteraceae) disc;
Calyx (as in Linnaeus) [old-fashioned term].
Two egg-shaped masses of nerve tissue deep within the brain. It is an important relay station, which seems to act as a filter for sensory information flowing into the brain. The thalamus also may play a part in short- and long-term memory.
A pair of egg-shaped masses of nuclei on the walls of the diencephalon. The serves as an integrating center that relays excitation to the sensory projection areas of the cerebral cortex.
One of two masses of grey matter situated beneath the cerebrum where impulses from the sensory neurones are transmitted to the cerebral cortex.
One or two large, oval masses of gray matter deep in the cerebral hemispheres concerned with relaying sensory impulses to the cerebral cortex; the thalamus is also the site where crude sensations of pain, pressure, and temperature originate.
Gray matter on either side of the third ventricle of the brain that acts as a relay station for impulses from the sensory nerves and sends them to specific cortical areas of the brain.
A structure within the brain that acts as a relay station for incoming and outgoing nerve impulses. Almost all sensory information coming into the brain, except for the sense of smell, passes through the thalamus, and it is connected to the areas in the cerebrum that process sensory information and coordinate muscle movement. The thalamus helps to interpret sensory information and select a response to it, creates the feelings of pleasantness or unpleasantness associated with specific sensations, and regulates consciousness.
One of two egg-shaped masses of gray matter that lie deep in the cerebral hemispheres in each side of the forebrain. The thalami are relay stations for all the sensory messages that enter the brain, before they are transmitted to the cortex. All sensory pathways, except that for the sense of smell, are linked to nuclei within the thalamus, and it is here that the conscious awareness of messages as sensations (temperature, pain, touch, etc.) probably begins.
One of two masses of grey matter lying on either side of the third ventricle of the brain. It is an important relay and coordinating station for sensory impulses such as those for sight.
The largest subdivision of the diencephalon on either side, consisting chiefly of an ovoid gray nuclear mass in the lateral wall of the third ventricle. Each consists of a number of nuclei (anterior, medial, lateral, and ventral), the medial and lateral geniculate bodies, and the pulvinar.
A small part of the brain that acts as a relay station for the senses, receiving impulses from sense organs and modifying them before they reach the cerebrum.
Region of the diencephalon that gates information from the sense organs to the neocortex.
Within the intricate network of the brain, there exists a substantial oval-shaped region comprising gray matter. This region serves as a vital conduit, relaying nerve impulses from the basal ganglia to the cerebellum. Both the basal ganglia and cerebellum play integral roles in governing and coordinating muscle movement within the body.
One of the two structures found in the brain, the thalamus is a cluster of nerve tissue about the size of a walnut. Positioned atop the brainstem, the thalami are interconnected with various regions of the brain.
Every thalamus functions as a conduit for transmitting sensory input that enters the brain. Certain fundamental sensations, like pain, can potentially become conscious within the thalamus. On the other hand, various forms of sensory data undergo processing within the thalamus and are subsequently conveyed to distinct areas of the cerebral cortex, the brain’s outer layer, where these sensations are interpreted.
The thalamus serves as a filter, sorting and prioritizing essential information. Specific regions within the thalamus are also believed to contribute to the formation of long-term memories.
A cluster of grey matter located at the brain’s base, which evolves from and constitutes a part of the third ventricle’s wall. Almost all sensory signals travel through this region to get to the brain’s sensory cortex, with the main centers for vision found in its rear section.