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The skeletal system (Types of Bones (Irregular - vertebrae, sacrum,…
The skeletal system
Types of Bones
Irregular - vertebrae, sacrum, coccyx, temporal, sphenoid, ethmoid, zygomatic, maxilla, mandible, palatine, inferior nasal concha, and hyoid.
sesamoid - bone embedded within a tendon or a muscle
Long - are hard, dense bones that provide strength, structure, and mobility
Flat - are bones whose principal function is either extensive protection or the provision of broad surfaces for muscular attachment
Short - are designated as those bones that are as wide as they are long. Their primary function is to provide support and stability with little to no movement
Types if Joints
Hinge joints - includes the ankle, elbow, and knee joints. Hinge joints are formed between two or more bones where the bones can only move along one axis to flex or extend
Pivot joints - allows only rotary movement around a single axis
Ball-and-socket joints - Ball-and-socket joints, such as the shoulder and hip joints, allow backward, forward, sideways, and rotating movements.
Ellipsoidal joints - is a type of synovial joint in which there is an elliptical convex articular surface that fits into an elliptical concave articular surface
Bone Tissue
Cortical bone - the dense outer surface of bone that forms a protective layer around the internal cavity. This type of bone also known as compact bone makes up nearly 80% of skeletal mass
Cancellous bone - also known as spongy or trabecular bone, is one of the two types of bone tissue found in the human body.
Bones
Parietal
Malleus
Palatine
Scapula
Temporal
Clavicle
Zygomatic
Humerus
Maxiallary
Radius
Lacrimal
Ulna
Nasal
Scaphoid
Talus
Calcaneus
Fibula
Tibia
Patella
Femur
Bone Remodeling - is a lifelong process where mature bone tissue is removed from the skeleton
Bone fracture repair - four stages in the repair of a broken bone: 1) the formation of hematoma at the break, 2) the formation of a fibrocartilaginous callus, 3) the formation of a bony callus, and 4) remodeling and addition of compact bone.
Male and Female Pelvis - The female pelvis is larger and broader than the male pelvis, which is taller, narrower, and more compact. The distance between the schism bones is small in males.This results in the female inlet being large and oval in shape, while the male inlet is more heart shaped.