The infraglenoid impression is a groove on the upper part of the scapula bone. The spelling of this word can be quite challenging as it has a combination of consonants that are not typical in the English language. The first two syllables "in" and "fra" are pronounced as in the words "inner" and "fraud". The final part "glenoid" is pronounced as "glen-oid" with the "oid" sound similar to "void". In IPA phonetic transcription, the word is spelled as /ɪnfrəˈɡliːnɔɪd ɪmˈprɛʃən/.
The infraglenoid impression refers to a specific anatomical feature found in the human body, particularly in the scapula bone, which is commonly known as the shoulder blade. This impression can be located on the posterior or backside of the scapula, in the region below the glenoid cavity.
More specifically, the infraglenoid impression is a concave surface or depression that is located inferiorly to the glenoid cavity and is bordered by a ridge known as the infraglenoid tubercle. The tubercle serves as a bony landmark that divides the glenoid cavity and the infraglenoid impression.
The importance of the infraglenoid impression lies in its role as an attachment site for some of the muscles and tendons involved in the movement and stabilization of the shoulder joint. Specifically, the long head of the triceps brachii muscle, one of the muscles responsible for extending the elbow joint, inserts onto the infraglenoid impression.
Understanding the infraglenoid impression is crucial for medical professionals and anatomists as it serves as a reference point during anatomical dissections, particularly in the study of the shoulder joint and its associated muscles. Additionally, it is relevant for physicians and orthopedic surgeons who specialize in diagnosing and treating conditions that affect the shoulder joint, as it can provide insight into potential injuries or pathologies impacting the muscles and tendons attached to the infraglenoid impression.
Tuberositas infraglenoidalis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "infraglenoid impression" is a compound medical term derived from the Latin language. Let's break it down:
1. Infra-: Prefix meaning "below" or "under".
2. Glenoid: Referring to the glenoid cavity or fossa, which is a shallow depression in the scapula (shoulder blade) that forms part of the shoulder joint.
3. Impression: This word is derived from the Latin term impressio, meaning "an indentation" or "a mark left on a surface".
Therefore, "infraglenoid impression" can be understood as "the impression or indentation located below the glenoid cavity". In medical terminology, it typically refers to a specific anatomical feature or structure in the region described.