The developmental failure of which pharyngeal arch would result in the absence of the stapes in the middle ear? 

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  

Which lymphoid tissue is related to the opening of the pharyngotympanic tube?

List the THREE layers of pericardium from superficial to deep. BE SPECIFIC.

Briefly describe the process of endochondral ossification.

From which pharyngeal arch does the cricoid cartilage derive?

From which pharyngeal arch does the cricoid cartilage derive?

Which muscle is the primary retractor of the mandible?

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

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