microtubule necklace | silver Dan The retina contains roughly 120

The retina contains roughly 120 million rod photoreceptors for low-light vision and 6 million cone photoreceptors for color vision

Thyroxine (T4) is the prohormone secreted predominantly by the thyroid

Serotonin is the molecule that changes how the brain responds to sensation and salience

single-molecule force measurements on myosin) has refined the model rather than overturning it

The Science of the Photoreceptor

microtubule necklace | silver Dan The retina contains roughly 120Microtubule necklace sterling silver Microtubules are the cell's structural beams and freight lines, built from tubulin dimers polymerising into hollow tubes 25 nanometres across. They organise the mitotic spindle, the axonal transport system, the ciliary axoneme, and most of the directional traffic inside every eukaryotic cell. The Science of Microtubules Microtubules are dynamic polymers of alpha beta tubulin dimers that assemble into