os·te·ol·o·gy 
(ŏs′tē-ŏlə-jē)
(ŏs′tē-ŏlə-jē)n. pl. os·te·ol·o·gies
1. The branch of anatomy that deals with the structure and function of bones.
2. The bone structure or system of an animal.
os′te·o·logi·cal (-ə-lŏjĭ-kəl) adj.
os′te·o·logi·cal·ly adv.
os′te·olo·gist n.