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מהי מערכת העצבים?
The nervous system is the collection of specialized cells responsible for maintaining an organism’s internal environment and coordinating the…
מערכת העצבים הפאראסימפתטית
The parasympathetic nervous system is one of the two major divisions of the autonomic nervous system. This parasympathetic system is responsible…
מערכת העצבים הסימפתטית
The sympathetic nervous system—one of the two major divisions of the autonomic nervous system—is activated in times of stress. It…
מחסום הדם-מח
The blood-brain barrier (BBB) refers to the specialized vasculature that provides the brain with nutrients in the blood while strictly regulating…
מבנה תא עצב
Neurons are the main type of cell in the nervous system that generate and transmit electrochemical signals. They primarily communicate with each…
הסינפסה
Neurons communicate with one another by passing on their electrical signals to other neurons. A synapse is the location where two neurons meet to…
תאי גלייה
Glial cells are one of the two main types of cells in the nervous system. Glia cells comprise astrocytes, oligodendrocytes, microglia, and…
מתח הקרום במנוחה
The relative difference in electrical charge, or voltage, between the inside and the outside of a cell membrane, is called the membrane potential.…
מתחי פעולה
Neurons communicate by firing action potentials—the electrochemical signal that is propagated along the axon. The signal results in the…
הגברה סינפטית ארוכת-טווח
Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in…
דיכוי סינפטי ארוך-טווח
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in…
Immunostaining לדמיין פיתוח מערכת עצבים Murine מעיים
The enteric nervous system is formed by neural crest cells that proliferate, migrate and colonize the gut. Following colonization, neural crest cells…
תלת מימדי רקמות מהונדסים מיושר אסטרוציט רשתות כדי לסכם מנגנונים התפתחותית וכדי להקל על מערכת העצבים התחדשות
Neurotrauma and neurodegenerative disease often result in lasting neurological deficits due to the limited capacity of the central nervous system…
מודל פציעה <em>דרוזופילה In Vivo</em> ללמוד Neuroregeneration ב ההיקפית ואת מערכת העצבים המרכזית
The regrowth capacity of damaged neurons governs neuroregeneration and functional recovery after nervous system trauma. Over the past few decades,…

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