網頁pectoralis muscle, any of the muscles that connect the front walls of the chest with the bones of the upper arm and shoulder. There are two such muscles on each side of the sternum (breastbone) in the human body: pectoralis major and pectoralis minor. The pectoralis major, the larger and more superficial, originates at the clavicle (collarbone), … 網頁Anatomical terms of bone [ edit on Wikidata ] The suprasternal notch , also known as the fossa jugularis sternalis , jugular notch , or Plender gap , is a large, visible dip in between the neck in humans, between the clavicles , and above the manubrium of the sternum .

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網頁2024年2月23日 · sternum, also called breastbone, in the anatomy of tetrapods (four-limbed vertebrates), elongated bone in the centre of the chest that articulates with and provides support for the clavicles (collarbones) of the shoulder girdle and for the ribs. Its origin in evolution is unclear. A sternum appears in certain salamanders; it is present in most … 網頁sternal body Flat, anterior surface of the sternum, marked by transverse ridges that represent lines of fusion between the segmental elements called sternebrae Xiphoid … dogfish tackle \u0026 marine

Unit 4 - sternum Flashcards Quizlet

網頁2024年3月15日 · Définition : c'est quoi le sternum ? Le sternum est un os situé dans le thorax. C'est un os plat situé au milieu de la cage thoracique, en position verticale. Les … 網頁2024年11月28日 · The thoracic, or chest wall, consists of a skeletal framework, fascia, muscles, and neurovasculature – all connected together to form a strong and protective yet flexible cage. The thorax has two major openings: the superior thoracic aperture found superiorly and the inferior thoracic aperture located inferiorly. 網頁A keel or carina (plural carinae) in bird anatomy is an extension of the sternum (breastbone) which runs axially along the midline of the sternum and extends outward, perpendicular to the plane of the ribs. The keel provides an anchor to which a bird's wing muscles attach, thereby providing adequate leverage for flight. dog face on pajama bottoms