Which muscle is the primary retractor of the mandible?

Which TWO ossicles are derived from the first pharyngeal arch? 

From which pharyngeal arch does the cricoid cartilage derive?

MATCHING: From the list below, select the correct innervation for each part of the muscle below.

From the list below, select the answer that best describes the following planes:

Into which nasal meatus do each of the following structures drain? Posterior ethmoid cells: Nasolacrimal duct:

From the list below, what is the innervation of each of the following extra ocular muscles?   Muscle Nerve supply   Superior oblique1   Inferior oblique2   Superior rectus3   Middle rectus4   Lateral rectus5  

From the list below, complete the following table regarding the embryological development of the brain.    Primary vesicle Secondary vesicle Adult structure Associated ventricle    Prosencephalon1 Cerebral hemispheres2   3 Thalamus Third ventricle   Mesencephalon Mesencephalon4 Cerebral aqueduct of Sylvius   Rhombencephalon Metencephalon5 Upper fourth ventricle   6 Medulla oblongata Lower fourth ventricle  

Name TWO structures that contain elastic tissue.                              

What are the THREE elements that form the nasal septum?