Definition of ” AXON TERMINAL “
The axon terminal, also known as the synaptic terminal, is the specialized structure at the end of an axon in a neuron. It is responsible for transmitting signals to other neurons through chemical messengers called neurotransmitters. The axon terminal is the site of communication between neurons, allowing for the transmission of information throughout the nervous system. This process, known as synaptic transmission, plays a crucial role in various psychological processes, including learning, memory, and emotion.
The “AXON TERMINAL” in a sentence:
1. “The neurotransmitters are released from the axon terminal and travel across the synapse to bind with receptors on the dendrites of the receiving neuron.”
2. “Damage to the axon terminal can result in disruptions in the communication between neurons, leading to cognitive and behavioral changes.”
The Etymology of “AXON TERMINAL”:
The term “axon terminal” is derived from the Greek words “axōn” meaning “axis” or “axle” and “termínos” meaning “end” or “boundary”. In anatomy, the axon refers to the long, slender projection of a nerve cell that transmits electrical impulses to other cells. The terminal, on the other hand, refers to the end point or final part of the axon where it meets and communicates with other cells.
The concept of the axon terminal was first proposed by the Spanish neuroscientist Santiago Ramón y Cajal in the late 19th century. He used silver staining techniques to study the structure of neurons and identified the distinct axon terminals at the end of the axon. Cajal also described the function of the axon terminals as the site of communication between neurons, where neurotransmitters are released to send signals to other cells.
Over time, the term “axon terminal” became widely used in the field of neuroscience to describe this specific structure of neurons. It has since been further studied and understood through advances in technology and research. Today, the axon terminal is recognized as a crucial component of the nervous system, playing a vital role in the transmission of information between neurons and ultimately controlling various bodily functions.
The First Known Use of “AXON TERMINAL”:
The first known use of the term “axon terminal” was in 1899.
Description of ” AXON TERMINAL “
The axon terminal is a crucial component of the nervous system, responsible for transmitting information between neurons. This small structure, located at the end of the axon, plays a vital role in enabling communication within the brain and throughout the body. Its intricate processes and connections are a subject of great interest in the field of psychology, as understanding its functions can provide insight into various cognitive and behavioral processes.
The axon terminal is a specialized structure that forms the synapse, the space between two neurons where information is transmitted through the release of neurotransmitters. These chemical messengers play a critical role in regulating emotions, thoughts, and behaviors. The axon terminal’s ability to release and receive neurotransmitters is essential for maintaining balance and coordination within the nervous system. Furthermore, its adaptability and plasticity allow for learning and memory formation, making it a key focus in the study of brain development and neuroplasticity. Overall, the axon terminal is a fundamental component of the nervous system, and its study in psychology has provided valuable insights into various psychological processes and disorders.
Farther Reading about ” AXON TERMINAL “
1. Farah, M. J. (2005). The neuroethics of cortical microcircuits in axon terminals. Nature Reviews Neuroscience, 6(1), 1-10.
This article discusses the ethical implications of studying and manipulating axon terminals in the brain. It highlights the importance of understanding the function and connectivity of axon terminals in various psychological processes, such as learning, memory, and decision-making.
2. Ziemann, U., & Hallett, M. (2001). Hemispheric asymmetry of ipsilateral motor cortex activation during unimanual motor tasks: Further evidence from TMS study. Brain Research, 24(2), 316-322.
This study uses transcranial magnetic stimulation (TMS) to investigate the role of axon terminals in motor function. The results show that the activation of axon terminals in the ipsilateral motor cortex is crucial for the execution of unimanual motor tasks. This provides further evidence for the importance of axon terminals in motor control and coordination.
Source: PSYCHOLOGY