Coracoids meaning

Coracoids are projection bones in the shoulder girdle of vertebrates that are important for muscle attachment and movement.


Coracoids definitions

Word backwards sdiocaroc
Part of speech Noun
Syllabic division cor-a-coids
Plural The plural of the word "coracoid" is "coracoids".
Total letters 9
Vogais (3) o,a,i
Consonants (4) c,r,d,s

Coracoids are a pair of bones located in the shoulder girdle of vertebrates, including birds, reptiles, amphibians, and some mammals. These bones play a crucial role in the stability and mobility of the shoulder joint, allowing for a wide range of movement.

The coracoid is a prominent bone found in birds, forming part of the scapulocoracoid arch, which provides support for the flight muscles. In reptiles, the coracoid is typically smaller and less pronounced, but still serves to support the forelimbs and shoulder girdle.

Structure and Function

The coracoid bone is situated at the front of the shoulder joint, articulating with the scapula and the sternum. It helps to stabilize the shoulder joint during movement and provides attachment points for muscles, tendons, and ligaments that are essential for proper arm and wing function.

Evolutionary Significance

The presence and structure of the coracoid bone can vary significantly among different species, reflecting their evolutionary history and adaptations. In birds, the coracoid is a robust bone that contributes to their powerful flight capabilities. In contrast, in some mammals, the coracoid may be reduced or fused with other bones to support different modes of locomotion.

Overall, the coracoid plays a critical role in the biomechanics of the shoulder girdle, allowing for the complex movements required for various activities such as flying, swimming, climbing, and running. Its shape and size can provide valuable insights into an animal's behavior, ecology, and evolutionary relationships.

Common Injuries

Due to its location and function, the coracoid bone is susceptible to injuries such as fractures, dislocations, and strains, especially in athletes and individuals engaged in activities that put stress on the shoulder joint. Proper rehabilitation and strengthening exercises are often necessary to ensure full recovery and prevent future injuries.

In conclusion, the coracoid is a vital anatomical structure that contributes to the overall functionality and movement of vertebrates. Understanding its role and significance can help in diagnosing and treating shoulder-related issues and enhancing our knowledge of the diversity and complexity of the animal kingdom.


Coracoids Examples

  1. The coracoids are two bones in the shoulder of birds.
  2. During dissection, the vet identified the coracoids as being fractured.
  3. The coracoids provide attachment points for several muscles.
  4. In birds, the coracoids are essential for flight.
  5. The shape of the coracoids can vary between species.
  6. An injury to the coracoids can impede a bird's ability to fly.
  7. The coracoids play a crucial role in stabilizing the shoulder joint.
  8. The coracoids are commonly referred to as the "wishbone" in birds.
  9. The scientist studied the development of the coracoids in embryos.
  10. A lack of proper nutrition can weaken the coracoids in birds.


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  • Updated 04/07/2024 - 03:00:59