photoreceptor necklace | silver pp_DNA Insulin is a 5

Insulin is a 5

and that became the canonical drawing

and medical students who have just spent a hard rotation memorising foramina and their contents

and those marking a major milestone (fellowship completion

Arabidopsis Necklace | gold vermeil

photoreceptor necklace | silver pp_DNA Insulin is a 5Photoreceptor necklace sterling silver The photoreceptor is the cell that turns a photon into a signal. Two types do most of the work in the human eye: rods, which see in the dark, and cones, which see in colour. Everything we know visually has been through one of them first. The Science of the Photoreceptor The human retina contains about 120 million rods and 6 million cones. Rods carry rhodopsin and respond to single photons under dark adapted