Inflammatory lipid mediators derived from arachidonic acid, involved in allergic and immune responses.

Referring to a compound that rotates plane-polarized light counterclockwise (-).

A turning or twisting movement to the left.

A substance that can accept an electron pair in a chemical reaction.

A substance that can donate an electron pair in a chemical reaction.

A theory describing acids as electron-pair acceptors and bases as electron-pair donors.

A long-stemmed, woody vine that climbs trees in tropical forests.

In molecular biology, a collection of DNA or RNA fragments used for sequencing or cloning.

A mark left on a stem after a leaf falls, showing where the vascular bundles connected to the leaf.

A vascular bundle extending from the stem into the base of a leaf.