Resorption of dental tissue is caused by________?

Preganglionic parasympathetic fibers are________?

In humans and other primates as well as in guinea pigs, this vitamin cannot be synthesized because of the absence of the enzyme L-gulonolactone oxidase: the vitamin is________?

Opthalmic artery is the branch of part of ________ internal carotid artery?

Which of the following is unpaired bone of facial skeleton________?

Acellular cementum is typically found in________?