Ala (alar) - ala, wing.⏎
Arachnoid - arachne, spider; like a spider's web⏎
Crista galli - crista, crest; galli, barnyard cock⏎
Appendix - ad, toward; pendere, to hang. Hence appendage.⏎
Aponeurosis - apo, from: neuron, tendon. (Early GREEK anatomists used neuron indiscriminately for nerves and tendons.)⏎