Figure 2 of
Mol Vis 3:3, 1997.
Figure 2. Model of phosphatidylcholine
A model of phosphatidylcholine showing one saturated (left arrow) and one monounsaturated (right arrow) fatty acid ester. The polar head group is at the top and contains a phosphorus atom. A color legend is shown below.

| Color | Atom |
|---|---|
| Black | Carbon |
| Blue | Nitrogen |
| Green | Oxygen |
| Red | Phosphorus |
| Yellow | Sulfur |
| Lavender | Calcium |