The spelling of "conchal notch' may appear confusing at first glance, but can be deciphered using the International Phonetic Alphabet (IPA) transcription. The first word "conchal" is pronounced as /ˈkɒŋk(ə)l/ with the stress on the first syllable. The second word "notch" is pronounced as /nɒtʃ/ with the stress on the last syllable. Together, the phrase refers to a groove located in the outer ear, specifically in the auricular cartilage. This anatomy term is commonly used in medical and scientific contexts.
The term "conchal notch" refers to a specific anatomical feature of the outer ear, more specifically, the auricle or pinna. Situated on the helix, the conchal notch is a small, shallow depression or groove that separates the upper part of the ear called the crus of the helix, and the lower, bowl-shaped structure known as the concha. It can be found towards the center of the external ear, just above the earlobe.
The conchal notch is significant because it acts as a landmark within the ear's structure. It plays a crucial role in distinguishing and identifying various anatomical regions associated with the pinna. Additionally, the conchal notch is often considered in certain medical procedures, such as ear reconstructive surgeries or the fitting of hearing aids and other external hearing devices.
Moreover, the conchal notch helps to direct and channel sound waves into the external auditory canal, contributing to the process of hearing. It aids in the localization and amplification of sound, improving the ability to perceive and interpret auditory stimuli.
Overall, the conchal notch is a distinctive anatomical feature of the outer ear, playing a role in defining the separate regions of the auricle, assisting in sound reception, and serving as a point of reference in various medical procedures involving the ear.
Auricular n.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The etymology of the word "conchal" derives from the Latin word "concha", which means "shell" or "scallop". The word "notch" comes from the Old English word "noch", which signifies a "nick" or a "cut". When combined, "conchal notch" refers to a specific anatomical feature found in the external ear, specifically the indentation or cleft at the inner edge of the concha, forming the entrance to the ear canal.