MEDICAL PHYSIOLOGY

Detailed explanation-1: -The outer ear consists of the visible portion on the side of the head, known as the pinna [1], and the external auditory canal (ear canal) [2]. The purpose of the pinna is to catch sound waves, amplify them slightly, and funnel them down the ear canal to the tympanic membrane (eardrum) [3].

Detailed explanation-2: -The Outer Ear The pinna is the part of the ear you see on the side of your head and is made of tough cartilage covered by skin. Its main job is to gather sounds and funnel them to the ear canal, which is the pathway that leads to the middle ear.

Detailed explanation-3: -Pinna. The pinna (also known as the auricle or auricula) is the fleshy portion on the ear outside of the skull. The pinna’s main function is to collect sound waves from the external environment. It acts as a funnel for these waves, amplifying and directing them towards the ear canal.

Detailed explanation-4: -The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified. The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane.

Detailed explanation-5: -The outer ear is called the auricle or pinna. It is the external portion visible to others and is responsible for collecting sound waves and funneling them into the ear canal.