Synapse: site of impulse propagation between cells
A synapse is a structure that permits a neuron to pass an electrical or chemical…
Sheeb Margarita
Nodes of Ranvier: propagation of nerve impulse along axon
Nodes of Ranvier or myelin-sheath gaps along the axons that contain sodium and potassium ion…
Myelin sheath, Schwann cells, oligodendrocytes, insulation of axon
Oligodendrocytes and Schwann cells are types of neuroglia cells that produce myelin sheath, which acts as insulation…
Axon: structure and function
Axon is a tube-like structure that carries neural signals away from the cell body via…
Dendrites: branched extensions of cell body
Dendrites are branched structures that extend away from the cell body and carry signals toward…
Cell body: site of nucleus, organelles
The cell body or soma is the location of the nucleus as well as organelles…
Senescence and Aging
Senescence is the failure of cells to divide due to shortened telomeres that result in…
Existence of Regenerative Capacity in Various Species
Regenerative capacity is the ability of an organism to regrow certain parts of the body,…
Programmed cell death
Programmed cell death such as apoptosis, autophagy, and necrosis, describes the death of a cell…
Gene Regulation in Development
Gene regulation is the process of controlling which genes in a cell’s DNA are expressed.…