Depo-medrol: Pain response time varies somewhat between individuals. But time of onset is 6 to 48 hours and peak effect is 4 to 8 days by injection and 1 to 2 hours by mouth.
crest - a showy growth of e.g. feathers or skin on the head of a bird or other animal. pseudopod, pseudopodium - temporary outgrowth used by some microorganisms as an organ of feeding or locomotion. flagellum - a lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa)
Appendix isn't the only noun that comes from append. Unlike appendix, appendage doesn't suggest the end of something, but simply something attached. The word is often used in biology to refer to parts of an animal's body: an insect's antennae, mouthparts, or wings, for example.