The spelling of the word "procerus" follows standard English conventions. It begins with the letter "p" followed by the letter combination "roce". The "e" in this combination is pronounced as a schwa sound /ə/ and the "c" is pronounced as an /s/. The word ends with the letters "rus" which are pronounced as /rʌs/. The phonetic transcription of procerus is /prəʊˈsɛrəs/. This word is commonly used in anatomy to describe a muscle in the forehead.
The term "procerus" refers to a specific muscle located on the human face. More precisely, it is a small triangular muscle situated in the region between the eyebrows, above the nose, and below the forehead. The procerus muscle originates from the nasal bone and extends downwards towards the skin between the eyebrows.
The primary function of the procerus muscle is to control the position and movement of the eyebrows. When the procerus muscle contracts, it causes the eyebrows to move downwards, leading to the formation of horizontal creases or vertical wrinkles on the forehead. This muscle is often associated with expressing feelings of anger, confusion, or concentration. Moreover, the procerus muscle plays a significant role in facial expressions and non-verbal communication, as it can assist in conveying emotions such as displeasure, doubt, or concern.
The procerus muscle is controlled by the facial nerve, which sends signals from the brain to stimulate its contraction or relaxation. Due to its location and functions, the procerus muscle is sometimes referred to as the "frowning muscle" or "corrugator supercilii." It is worth noting that the procerus muscle is relatively small compared to other facial muscles, but its impact on facial expressions and overall facial appearance should not be underestimated.
Pyramidalis muscle; see musculus procerus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "procerus" is a Latin word that means "tall" or "extended". It comes from the combination of the prefix "pro-" meaning "forward" or "in front of" and the noun "cerus" meaning "growth" or "stature". In Latin, "procerus" was used to describe something or someone that was physically tall or elongated.