What Registered Nurses Do. Registered nurses (RNs) provide and coordinate patient care, educate patients and the public about various health conditions, and provide advice and emotional support to patients and their family members. Registered nurses work in hospitals, physiciansâ offices, home healthcare services, and nursing care facilities.
The basic function of the outer ear or pinna is to protect the eardrum (tympanic membrane). The outer ear also functions to collect sound waves to the eardrum through the ear canal. The second component of the external ear is the auditory ear canal or meatus.
(outer ear is a part of ...) either of the passages in the outer ear from the auricle to the tympanic membrane. acoustic meatus; auditory canal; auditory meatus; ear canal; external auditory canal (outer ear is a part of ...) the externally visible cartilaginous structure of the external ear. auricle; ear; pinna (... is part of outer ear) all of the components of the organ of hearing including the outer and middle and inner ears. auditory apparatus