Excitatory (asymmetric) synapses on a neuron dendrite (mammal central nervous system), coloured transmission electron micrograph (TEM). Two axon termi
Excitatory (asymmetric) synapses on a neuron dendrite (mammal central nervous system), coloured transmission electron micrograph (TEM). Two axon terminals (light blue) form excitatory synapses on a dendrite (light yellow). Chemical synapses are specialized junctions through which nerve cells signal one another or other non-neuronal cells such as muscles. At a typical synapse an axon and a dendrite flank each other across a slender gap (synaptic cleft; red). Signalling molecules, known as neurotransmitters, are contained in tiny vesicles of the axon (blue). Neurotransmitters pass rapidly from axon to dendrite triggering an electrical impulse. Magnification: x16,245 when shortest axis printed at 25 millimetres.
Size: 3329px × 2625px
Photo credit: © DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1962a, asymmetric, axon, brain, cell, cells, colored, coloured, dendrite, dendrites, electron, excitatory, false-colored, false-coloured, junction, junctions, mammal, micrograph, microtubule, microtubules, mitochondria, mitochondrion, nerve, neurons, synapse, synapses, synaptic, tem, transmission, vesicles
