A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as________?

FIGLU excretion test is to estimate deficiency of________?

The zygomatic bone does not articulate with________?

Centre of the disc in TMJ is________?

Basal cell carcinoma occurs on________?

In adults, the spinal cord normal ends at________?