Pronunciation: [njˌuːɹɐne͡ɪd͡ʒˈɛnɪsˌɪs] (IPA) 
Correct spelling for the English word "neuranagenesis" is [njˌuːɹɐne͡ɪd͡ʒˈɛnɪsˌɪs], [njˌuːɹɐneɪdʒˈɛnɪsˌɪs], [n_j_ˌuː_ɹ_ɐ_n_eɪ_dʒ_ˈɛ_n_ɪ_s_ˌɪ_s] (IPA phonetic alphabet).
Neurogenesis is the process by which new neurons, or nerve cells, are generated, developed, and integrated into the existing neural networks in the brain. It is a fundamental and ongoing process that occurs throughout an individual's lifetime, although it is most prominent during early development and continues at a slower pace in adulthood. Neurogenesis primarily takes place in specific regions of the brain, such as the hippocampus and the olfactory bulb, which significantly influence learning, memory, and sensory perception.
The process of neurogenesis involves several stages, including the proliferation of neural stem cells, their differentiation into specific neuronal types, migration to the appropriate regions, and their ultimate integration into existing neural circuits. This intricate process is regulated by various biochemical and molecular signaling mechanisms, including growth factors, neurotransmitters, and genetic factors.
Neurogenesis plays a crucial role in various physiological and cognitive processes, such as learning and memory formation, mood regulation, and recovery from brain injuries. It contributes to the brain's plasticity and adaptability by allowing the creation of new connections and enhancing neural networks. Therefore, it is considered essential for maintaining brain health and function throughout life.
Understanding the mechanisms and regulation of neurogenesis has significant implications for various fields, including neuroscience, medicine, and psychology. Researchers are studying ways to manipulate and enhance neurogenesis to potentially develop novel treatments for neurodegenerative diseases, cognitive impairments, and mental disorders.
Regeneration of a nerve.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
