Question

thoracic cage parts name​

Answer 1

Answer:

Sternum

The sternum is the elongated bony structure that anchors the anterior thoracic cage. It consists of three parts: the manubrium, body, and xiphoid process. The manubrium is the wider, superior portion of the sternum. The top of the manubrium has a shallow, U-shaped border called the jugular (suprasternal) notch. This can be easily felt at the anterior base of the neck, between the medial ends of the clavicles. The clavicular notch is the shallow depression located on either side at the superior-lateral margins of the manubrium. This is the site of the sternoclavicular joint, between the sternum and clavicle. The first ribs also attach to the manubrium.

The elongated, central portion of the sternum is the body. The manubrium and body join together at the sternal angle, so called because the junction between these two components is not flat, but forms a slight bend. The second rib attaches to the sternum at the sternal angle. Since the first rib is hidden behind the clavicle, the second rib is the highest rib that can be identified by palpation. Thus, the sternal angle and second rib are important landmarks for the identification and counting of the lower ribs. Ribs 3–7 attach to the sternal body.

The inferior tip of the sternum is the xiphoid process. This small structure is cartilaginous early in life, but gradually becomes ossified starting during middle age.

Ribs

Each rib is a curved, flattened bone that contributes to the wall of the thorax. The ribs articulate posteriorly with the T1–T12 thoracic vertebrae, and most attach anteriorly via their costal cartilages to the sternum. There are 12 pairs of ribs. The ribs are numbered 1–12 in accordance with the thoracic vertebrae

Explanation:

Glossary

angle of the ribportion of rib with greatest curvature; together, the rib angles form the most posterior extent of the thoracic cagebody of the ribshaft portion of a ribclavicular notchpaired notches located on the superior-lateral sides of the sternal manubrium, for articulation with the claviclecostal cartilagehyaline cartilage structure attached to the anterior end of each rib that provides for either direct or indirect attachment of most ribs to the sternumcostal grooveshallow groove along the inferior margin of a rib that provides passage for blood vessels and a nervefalse ribsvertebrochondral ribs 8–12 whose costal cartilage either attaches indirectly to the sternum via the costal cartilage of the next higher rib or does not attach to the sternum at allfloating ribsvertebral ribs 11–12 that do not attach to the sternum or to the costal cartilage of another ribhead of the ribposterior end of a rib that articulates with the bodies of thoracic vertebraejugular (suprasternal) notchshallow notch located on superior surface of sternal manubriummanubriumexpanded, superior portion of the sternumneck of the ribnarrowed region of a rib, next to the rib headsternal anglejunction line between manubrium and body of the sternum and the site for attachment of the second rib to the sternumtrue ribsvertebrosternal ribs 1–7 that attach via their costal cartilage directly to the sternumtubercle of the ribsmall bump on the posterior side of a rib for articulation with the transverse process of a thoracic vertebraxiphoid processsmall process that forms the inferior tip of the sternum

hope it helps u dear mate....✔✔✌

Answer 2

Answer:

$\huge\underline\red{\mathcal Hey\:Mate}$

Thoracic Cage :-

Covering of thoracic cavity makes thoracic Cage.

Parts Of Thoracic Cage :-

Anterior surface - Calvicle bones, Neck

Posterior surface - Diaphragm

Dorsal Surface - Vertebral Column and Ribs

Ventral Surface - Sternum and Ribs

Lateral Surface - Ribs

Hope it helps uh!!!