Trigonum colli is a Latin phrase that refers to a triangular area on the neck. The spelling of this word can be explained by using the International Phonetic Alphabet (IPA). The first part of the word, "tri," is pronounced /traɪ/, with a long "i" sound. The next part of the word, "go," is pronounced /ɡoʊ/, with a long "o" sound. The final part of the word, "num," is pronounced /nʌm/, with a short "u" sound. The second word, "colli," is pronounced /ˈkɒli/, with a short "o" sound and a stressed "i" sound.
Trigonum colli is a Latin term used in anatomy to refer to a specific anatomical triangular region located in the neck. It is also commonly known as the posterior triangle of the neck.
This triangular space is formed by the convergence of various structures and their associated muscles. Its boundaries are defined by the posterior border of the sternocleidomastoid muscle anteriorly, the anterior border of the trapezius muscle posteriorly, and the clavicle inferiorly. The shape and size of the trigonum colli can vary among individuals, but it generally appears as an inverted triangle.
Within the trigonum colli, several important structures can be found. These include the spinal accessory nerve (cranial nerve XI) and its branches, as well as the external jugular vein and the transverse cervical vessels. Additionally, various lymph nodes and adipose tissue may also be present within this anatomical region.
The trigonum colli has clinical significance as it serves as a pathway for important structures that traverse the neck. Surgeons and medical professionals must be familiar with this area for various procedures, such as lymph node dissections or surgical access to the spinal accessory nerve. A thorough understanding of the boundaries and contents of the trigonum colli is crucial to ensure accurate anatomical identification and surgical success.
Any one of the triangles of the neck, more especially t. caroticum.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "trigonum colli" is a Latin term that translates to "triangle of the neck" in English. The etymology of the word can be broken down as follows:
1. Trigonum: The term "trigonum" derives from the Latin word "trigōnum", which itself comes from the Greek word "trígōnon". In Greek, "trígōnon" means "triangle", describing a three-sided polygon. In medical terminology, "trigonum" is commonly used to refer to a triangular-shaped anatomical structure.
2. Colli: The word "colli" is the genitive singular form of the Latin word "collis", which translates to "neck" in English. This term is also related to the Latin word "collum", meaning "neck".