Anatomy of Typical Ribs

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What type of bones are the ribs?

Long bones

Short bones

Irregular bones

Flat bones (correct)

Where do the true ribs (Ribs 1-7) attach directly?

Xiphoid process

Manubrium

Intercostal space

Sternum via a costal cartilage (correct)

Which ribs lack attachment to the sternum or attach indirectly?

Ribs 1-7

Ribs 8-12 (correct)

Floating ribs

Ribs 11-12

What part of the rib articulates with the transverse process of thoracic vertebrae?

Tubercle Signup and view all the answers

How are ribs 11-12 (floating ribs) characterized?

They have no anterior attachment or tubercular facets Signup and view all the answers

Which part of the rib protects blood vessels and nerves?

Costal groove Signup and view all the answers

Which cavity is located between the sternum and the mediastinum?

Costomediastinal recess Signup and view all the answers

Which type of pleural effusion is characterized by excess fluid, protein, and immune cells?

Exudative pleural effusion Signup and view all the answers

In which part of the lung is the horizontal fissure located?

Superior lobe Signup and view all the answers

Which structure forms a gutter around the costal edge of the base of the lung?

Costodiaphragmatic recess Signup and view all the answers

What is the main cause of transudative pleural effusion?

Changes in hydrostatic pressure Signup and view all the answers

Which anatomical landmark separates each lobe of the lung?

Fissures Signup and view all the answers

Which part of a typical rib articulates with the transverse process of the corresponding vertebra?

Tubercle Signup and view all the answers

What is the superior limit of the superior thoracic aperture?

Sternal angle Signup and view all the answers

In thoracic anatomy, what permits movements of the thoracic wall?

Articulation of the head of ribs Signup and view all the answers

Which thoracic aperture is bordered by T12, ribs 11 & 12, costal margins & xiphisternal joint?

Inferior thoracic aperture Signup and view all the answers

Which facets of the head of a rib articulate with vertebral bodies and intervertebral discs?

Superior costal facet Signup and view all the answers

What structure is not part of the borders of the superior thoracic aperture?

Clavicular notch Signup and view all the answers