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U2: Skeletal System

Skeletal system bones + cartilages + joints (articulations) + ligaments
Fundamental divisions of the skeleton axial skeleton and appendicular skeleton
Axial skeleton skull + vertebral column +thoracic cage (ribs, costal cartilages, sternum)
Appendicular skeleton pectoral/shoulder girdles (each consisting of a scapula and a clavicle) + bones of upper limbs + pelvic girdle (consists of the two hip bones) + bones of lower limbs
Projections that serve as sites of attachment for muscles (via tendons) and ligaments Tuberosity, Trochanter, Tubercle, Epicondyle
Projections that help form joints head, condyle
Head generally a rounded projection; forms joins
Condyle generally a wheel-shaped or rounded projection; exception is tibia; helps form joints
Meatus a canal like passageway through a bone
Sinus an air filled cavity within a bone (paranasal sinuses surround the nasal cavity and are lined with a mucous membrane
Fossa a shallow, basin like depression in a bone; often serves as an articular surface (like a lake bed)
Foramen (plural foramina) an opening in a bone
Created by: mbtrimm



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