What are the axial and appendicular regions?

The axial skeleton forms the vertical axis of the body and includes the bones of the head, neck, back, and chest of the body. It consists of 80 bones that include the skull, vertebral column, and thoracic cage. The appendicular skeleton consists of 126 bones and includes all bones of the upper and lower limbs.

Is the humerus axial or appendicular?

The appendicular skeleton is everything else. It’s everything that attaches on to the axial skeleton. Think “appendages”. The pelvis, femur, fibula, tibia and all of the foot bones as well as the scapula, clavicle, humerus, radius, ulna and all of the hand bones are classified as appendicular.

What is the difference between the axial region and the appendicular region?

The appendicular skeleton includes all the bones that form the upper and lower limbs, and the shoulder and pelvic girdles. The axial skeleton includes all the bones along the body’s long axis. The axial skeleton includes the bones that form the skull, laryngeal skeleton, vertebral column, and thoracic cage.

What is included in appendicular region?

The appendicular skeleton includes the bones of the shoulder girdle, the upper limbs, the pelvic girdle, and the lower limbs.

Is the appendicular skeleton part of the axial skeleton?

The central part of the body contains the axial skeleton, and the bones lying along a central axis of the body are the appendicular skeleton.

What are bones in the axial skeleton?

– bones in the head – (8 cranial and 14 facial bones) and then also 7 associated bones (6 auditory ossicles and the Hyoid Bone) – bones of the thorax – (the sternum and 24 ribs) – bones in the vertebral column (24 vertebrae, the sacrum, and the coccyx)

Is the pectoral girdle part of the axial skeleton?

The pectoral girdle bones, providing the points of attachment of the upper limbs to the axial skeleton, consists of the clavicle (or collarbone) in the anterior, as well as the scapula (or shoulder blades) in the posterior.

Is the appendicular skeleton dermal or endochondral?

The appendicular skeleton comprises the pectoral girdle consists of dermal and endochondral skeletal elements, holding the pectoral fin and pelvic girdle, consisting only endochondral elements that sustain pelvic fin. The forelimbs and hindlimbs of tetrapods are built on the same pattern, differing in three regions: autopod, zeugopod and stylopod.