What is the sternum in cats? - briefly
The sternum in cats, also known as the breastbone, is a flat bone located at the center of the chest. It serves as an attachment site for various muscles and provides protection for vital organs such as the heart and lungs.
What is the sternum in cats? - in detail
The sternum, also known as the breastbone, is a critical component of the feline skeletal system. In cats, the sternum plays a vital role in protecting internal organs and facilitating movement. It is situated at the ventral aspect of the thorax, forming part of the ribcage and providing a point of attachment for various muscles, tendons, and ligaments.
Anatomically, the feline sternum consists of three main parts: the manubrium, the body (corpus), and the xiphoid process. The manubrium is the broad, superior segment that articulates with the clavicles and the first ribs. Below the manubrium lies the corpus, which is the longest part of the sternum and connects to several pairs of ribs. The caudal end of the sternum tapers into the xiphoid process, a small cartilaginous structure that may ossify with age.
The sternum in cats serves multiple functions. Primarily, it acts as a shield for the heart and lungs, safeguarding these vital organs from external trauma. Additionally, it provides attachment points for various muscles of the chest and abdomen, including the pectoralis major and minor, which are essential for locomotion and respiration. The sternum also plays a role in stabilizing the ribcage, maintaining the structural integrity of the thorax, and facilitating efficient breathing patterns.
In summary, the sternum is an essential component of the feline skeletal system, offering protection to vital organs and serving as a critical attachment point for muscles involved in movement and respiration. Its structure and function are integral to the overall health and well-being of cats.