BETZ CELL Meaning and
Definition
-
Betz cell, also known as a pyramidal cell or giant pyramidal neuron, refers to a type of large, highly specialized neuron found in the primary motor cortex of the brain. Named after the German anatomist Vladimir Betz, these cells are characterized by their long, pyramid-shaped soma (cell body) and extensive dendritic arborization.
Betz cells are primarily involved in controlling voluntary motor movements of the body. They receive excitatory input from various regions of the cerebral cortex and integrate this information to generate signals that initiate and coordinate voluntary movements, particularly fine motor control and skilled movements. These cells directly project their axons, known as the corticospinal tract, down the spinal cord to synapse with lower motor neurons, which then transmit the signals to the muscles. This direct connection between Betz cells and the muscles allows them to exert precise control over motor activity.
Due to their specialized role in motor control, Betz cells are larger and possess more extensive dendritic branching than other neurons. They exhibit prominent Nissl bodies, which are clusters of rough endoplasmic reticulum responsible for protein synthesis and energy production. In addition, Betz cells have a high level of myelination on their axons, allowing for efficient and rapid transmission of signals.
Understanding the properties and functions of Betz cells is crucial for neurological research and clinical applications. Any abnormalities in these cells can lead to motor disorders such as cerebral palsy, where normal motor control and coordination are impaired.
Common Misspellings for BETZ CELL
- vetz cell
- netz cell
- hetz cell
- getz cell
- bwtz cell
- bstz cell
- bdtz cell
- brtz cell
- b4tz cell
- b3tz cell
- berz cell
- befz cell
- begz cell
- beyz cell
- be6z cell
- be5z cell
- betx cell
- bets cell
- beta cell
- betz xell
Etymology of BETZ CELL
The term "Betz cell" is named after its discoverer, Russian physiologist Vladimir Betz. In 1874, Betz identified a specific type of large, pyramidal-shaped neuron located in the fifth layer of the primary motor cortex of the brain. As a result, these neurons were named "Betz cells" in his honor.
