Appendicular Skeleton - Anatomy - Lecture Slides, Slides of Dental Anatomy

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Human Anatomy

Chapter 8 Lecture Outline:

Appendicular Skeleton

Appendicular Skeleton

 Includes the bones of the upper and lower limbs.

 The girdles of bones that attach the upper and lower

limbs to the axial skeleton.

 pectoral girdle consists of bones that hold the upper limbs in

place

 pelvic girdle consists of bones that hold the lower limbs in

place

Pelvis

 The adult pelvis is composed of four bones:

 the sacrum, the coccyx, and the right and left ossa coxae.

 Protects and supports the viscera in the inferior part

of the ventral body cavity.

 Pelvic girdle refers to the left and right ossa coxae

only.

Os Coxae

 Commonly referred to as the “hip bone” or

innominate bone.

 Each is formed from three separate bones:

 the ilium, the ischium, and the pubis

 Each articulates posteriorly with the sacrum at the

sacroiliac joint.