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Skeletal System

Be able to label a skeleton Websites such as and for practice.
Number of phalanges in upper and lower extremities In total, there are 56 phalanges in the upper and lower extremities. There are 14 in each hand in foot. Three phalanges being present on each finger and toe. The exceptions are the thumb and large toe, which only contain two.
Diaphysis The shaft of long bones
The material in bones that produce red blood cells, platelets, and some white blood cells is _. Red marrow
The different types of bones Short bones (ex. tarsals and carpals), long bones (ex. femur and humerus), flat bones (Cranium, ribs, and pelvic girdle), irregular bones (Vertebrae and facial bones), and sesamoid bones (patella).
What are Fontanels? Spaces, or "soft spots," in the cranium that allow for the enlargement of the skull as brain growth occurs.
What are sutures? Areas where cranial bones have joined together
Where do floating ribs connect on the posterior side? Small costal cartilages within the muscles of the lateral abdominal wall. The thoracic vertebrae
How many ribs there are of each kind and what are they called? In total, there are 12 pairs (24 ribs). True Ribs- 7 pairs (attached to the sternum) False Ribs - 3 pairs (2 of them floating). Floating Ribs- 2 pairs
What are joints? Areas where two or more bones join together.
Location of each vertebrae and how many there are. Total # of bones - 26 Cervical (neck and beginning) - 7 Thoracic (chest) - 12 Lumbar - 5 Sacrum - 1 (5 of them fused to 1) Coccyx - 1 (4 of them fusing to 1)
The function of intervertebral disks. The intervertebral disks separate the vertebrae and act as shock absorbers, permitting bending and twisting.
Bursitis An inflammation of small, fluid - filled sacs surrounding the joints.
Comminuted fractures Comminuted - A break or splinter of the bone into more than two fragments. Fractures of this degree happen after high-impacted trauma.
Scoliosis Abnormal lateral curvature of the spine.
Kyphosis Excessive outward curvature of the spine, causing hunching of the back.
Bones in the axial skeleton Skull (28 bones + auditory ossicles) Hyoid bone (1 bone) Vertebral column (26 b) Cervical (7 vertebrae) Thoracic (12 vert.) Lumbar (5 vert.) Sacrum (1-5 fused vert.) Coccyx (1-4 fused vert.) Thoracic Cage (25 b) Ribs (24) Sternum (1-3) 80 bones
Compound/open fractures Compound/open - A bone break that pieces or ruptures through the skin
Bones in the appendicular skeleton Pectoral girdle (2 scapulae & 2 clavicle) Upper limbs (1 arm, 2 forearms, & carpals (wrist), 3 phalanges per digit(2 in thumb)-hand Pelvic girdle(2 coxae) Lower limbs(1 thigh,2 legs,7 tarsals(ankle) 5 metacarpals,3 phalanges per digit, (2 in big toe)
The 5 functions of the skeletal system The framework, protection, levers, production of blood cells, and storage.
How many bones do adults have? 206 bones
What are tendons? Tendons are fibrous connective tissues that connects muscles to bones.
What are ligaments? Ligaments are fibrous tissues that connect bone to bone.
The shaft of long bones is called... Diaphysis
Rickets A disease in children caused by vitamin D deficiency, characterized by imperfect calcification, softening, and distortion of the bones typically resulting in bow legs.
Podiatrist A person who treats feet and their ailments.
What is foramina? An opening, hole, or passage, especially in a bone.
Bone that forms the elbow is called _. Ulna
Synarthrosis These joints permit no movement, which is typical of certain fibrous joints.
Dislocation Injury or disability caused when the normal position of a joint or other part of the body is disturbed.
Sprain A sprain is an injury to a joint accompanied by stretching or tearing of the ligament.
Strain A strain is an injury caused by excessive stretching, overuse, or misuse of a muscle.
Name of the first cervical vertebrae. Atlas
Name of the second cervical vertebrae. Axis
What bones make up the os coxae? Ilium, ischium, and the pubis.
Osteoporosis A condition in which the bones become weak and brittle. Although there is medication, this condition is unable to be cured.
What is a herniated or ruptured disc? A herniated/ruptured disc is when the whole disk does not rupture or slip, but more likely to cause pain because it generally protrudes farther and is more likely to irritate nerve roots.
Created by: NataliaO



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