Q: Synostoses unite the sacral vertebrae that fuse together to form the what?


Read this paragraph and choose the correct option from the provided answers:

synostoses and fusing the bony components together into the single hip bone of the adult. Similarly, synostoses unite the sacral vertebrae that fuse together to form the adult sacrum.

 Choices:

- young sacrum

- lower sacrum

- permanent sacrum

- adult sacrum


A:
adult sacrum