skel·e·tal 
(skĕlĭ-tl)
(skĕlĭ-tl)adj.
1. Of, relating to, forming, or of the nature of a skeleton.
2. Attached to or formed by a skeleton.
3. So thin or emaciated as to appear bony.
4. Extremely basic or simplified: a skeletal description of the events.
skele·tal·ly adv.