| A | B |
|---|
| anterior | towards the front (head) of an organism |
| posterior | towards the rear (tail) of an organism |
| proximal | near the body of the organism |
| distal | away from the body of an organism |
| dorsal | the top (back) of an organism |
| ventral | the bottom (belly of an organism) |
| lateral | the sides of an organism |
| sclerite | individual hardened areas (plates) of an insect |
| membrane | the soft, flexible areas between the sclerites |
| tergum | the dorsal surface of an abdominal segment |
| notum | the dorsal surface of a thoracic segment |
| pleuron | the lateral surface of a thoracic or abdominal segment |
| suture/sulcus | a groove/line often delimiting plates (the beginning and ending lines of plates) |
