The word "cotyloid notch" is a term commonly used in anatomy, referring to a depression found on the hip bone. The spelling of this term can be broken down phonetically as /kɒtɪlɔɪd/ /nɒtʃ/. The first part of the term "cotyloid" is spelled with a "c" sound followed by an "o" sound, then the letter "t," a short "i" sound, "l," "o," "i," and "d." The second part "notch" is spelled with an "n" sound, a short "o" sound, "t," and "ch."
The cotyloid notch is a term used in anatomy and specifically in relation to the hip joint. It refers to a distinct indentation or groove located on the superior aspect of the acetabulum (socket of the hip joint). The acetabulum is a concave cavity within the pelvic bone, and it articulates with the femoral head to form the hip joint.
The cotyloid notch is important in that it contributes to the overall stability and mobility of the hip joint. Its shape and depth allow for proper containment and alignment of the femoral head, preventing potential dislocation and ensuring smooth movement. The ligament of the head of the femur (also known as the ligamentum teres) attaches to the bottom of the cotyloid notch, further enhancing stability.
In certain pathological conditions or structural abnormalities, such as hip dysplasia or acetabular fractures, the cotyloid notch can be affected. This can lead to instability, improper alignment, and increased risk of dislocation in the hip joint. In such cases, surgical interventions may be required to address and restore the integrity of the cotyloid notch and its surrounding structures.
Overall, the cotyloid notch plays a crucial role in the proper functioning of the hip joint, contributing to its stability, alignment, and mobility.
• Incisura acetabuli.
• Incisura acetabuli, a deep notch at the lower part of the acetabulum.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The etymology of the word "cotyloid notch" can be broken down as follows:
1. Cotyloid: The word "cotyloid" is derived from the Greek term "kotylē", meaning "cup" or "receptacle". It is combined with the suffix "-oid", which indicates resemblance or similarity. Therefore, "cotyloid" refers to something that resembles or is similar to a cup or receptacle.
2. Notch: The word "notch" comes from the Old English word "nocht" or "noht", which means "a nick or incision". It is derived from the Proto-Germanic root "*knukhtaz", indicating a "notch" or "cut". In medical terminology, a "notch" typically refers to a depression, indentation, or V-shaped incision.