WebbSkeletal muscles attachment to bone. Protection. Enclose adn prtoect delicate organs and tissue. Blood formation. Red bone marrow produces blood. Electrolyte balance. calcium … WebbThe bones of the arm are the humerus, ulna and radius. The humerus is in the upper arm, the radius and ulna are the lower arm bones. These two bones rotate around each other, and are mostly obvious at the wrist and elbow joint. The ulna is the bone that is most prominent on the back of the elbow.
7.3: Axial Skeleton and Appendicular Skeleton - Biology LibreTexts
Webb17 jan. 2024 · The radius is located laterally, near the thumb, and the ulna medially, near the little finger. The radius and the ulna have a styloid process at the distal end; they are also attachment sites for many muscles. The radius is smaller than the ulna. Key Terms radius: One of two forearm bones, it is located laterally to the ulna. WebbThe growing bones of child have an epiphyseal plate that forms a synchondrosis between the shaft and end of a long bone. Being less dense than bone, the area of epiphyseal cartilage is seen on this radiograph as the dark epiphyseal gaps located near the ends of the long bones, including the radius, ulna, metacarpal, and phalanx bones. fnf low end
2.4: The Appendicular Skeleton - Medicine LibreTexts
WebbThis includes bones in your skull (cranial and facial bones), ears, neck, back (vertebrae, sacrum and tailbone) and ribcage (sternum and ribs). Your axial skeleton protects your … Webb13 juli 2024 · The radius and the ulna are long, slightly curved bones that lie parallel from the elbow, where they articulate with the humerus, to the wrist, where they articulate with the carpals. The radius is located laterally, near the thumb, and the ulna medially, near the little finger. The radius and the ulna have a styloid process at the distal end ... WebbThe appendicular skeleton is divided into six major regions: Shoulder girdle (4 bones) - Left and right clavicle (2) and scapula (2). Arms and forearms (6 bones) - Left and right humerus (2) (arm), ulna (2) and radius (2) (forearm). fnf lovely