The term "circuit cruralis" refers to the nerve loop that surrounds the thigh area. The phonetic transcription of this word follows an interesting pattern. The first syllable 'cir' is pronounced as /sər/, indicating that it is stressed. The second syllable 'cuit' is pronounced as /kwit/. 'Cruralis' on the other hand, is stressed on the second syllable 'ra' and pronounced as /kruːˈreɪlɪs/. With its complex spelling and pronunciation, it is understandable why this term can be difficult to understand or remember.
Circuit cruralis, also known as the crural ring or femoral triangle, is a term used in anatomy to describe a specific region located in the upper thigh area of the human body. It is a triangular-shaped area found in the anterior aspect of the thigh, just below the inguinal ligament and medial to the femoral artery.
This anatomical region contains various important structures and is bordered by specific boundaries. The superior border is formed by the inguinal ligament, which extends from the anterior superior iliac spine to the pubic tubercle. The medial border is comprised of the adductor longus muscle, and the lateral border is formed by the sartorius muscle.
Within the circuit cruralis, several structures can be found. One of the main structures is the femoral artery, a major blood vessel that supplies blood to the lower extremities. Additionally, the femoral vein, a large vein that returns blood from the lower limbs to the heart, is also present in this area. Other structures include the femoral nerve, responsible for innervating the muscles of the anterior thigh, and various lymph nodes.
The circuit cruralis serves as an important region for the transmission of blood, nerves, and lymphatic vessels in the thigh, making it vital for overall function and movement of the lower extremities. Understanding the anatomy and structures within this region is crucial for medical professionals when diagnosing and treating conditions in the thigh area.
(1) In electricity, a c. of low resistance formed between two points which diverts the greater part or the whole of the current from the longer c.; (2) in intestinal surgery, a communication formed by operation between two portions of the alimentary canal to enable the contents to pass by an obstruction; also (3), as a verb, to make a short circuit in either sense.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.