The skeletal system by Anna Cuellar https://padlet.com/acue0385/cmw7n9209jel en-us 2018-10-15 12:31:22 UTC 2025-11-09 13:37:13 UTC hello@padlet.com mandible acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/292771294 The mandible, or jawbone, is what forms the lower part of the skull . The mandible is the only part of the skull that can move allowing us to chew our food. ]]> 2018-10-15 12:39:41 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/292771294 pelvis acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/292781933
The pelvis is either the lower part of the trunk of the human body between the abdomen and the thighs or the skeleton embedded in it.  This area provides support for the intestines and also contains the bladder and reproductive organs
]]> 2018-10-15 12:57:15 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/292781933 tarsals acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/292784356 Tarsal, any of several short, angular bones that in humans make up the ankle . Tarsal, any of several short, angular bones that in humans make up the ankle ]]> 2018-10-15 13:01:37 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/292784356 metatarsals acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/292785708 Metatarsals are part of the bones of the mid-foot and are tubular in shape. They are named by numbers and start from the medial side outward.]]> 2018-10-15 13:04:00 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/292785708 phalanges acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293276728  The bones of the fingers and of the toes. There are generally three phalanges (distal, middle, proximal) for each digit except the thumbs and large toes. The singular of phalanges is phalanx.]]> 2018-10-16 12:25:18 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293276728 calcium acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293276970  Bone serves as an important storage point for calcium, as it contains 99% of the total body calcium. Calcium release from bone is regulated by parathyroid hormone. Calcitonin stimulates incorporation of calcium in bone.]]> 2018-10-16 12:25:45 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293276970 osteoclast acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293277247 Osteoclast, large multinucleated cell responsible for the dissolution and absorption of bone. Bone is a dynamic tissue that is continuously being broken down and restructured in response to such influences as structural stress and the body’s requirement for calcium. The osteoclasts are the mediators of the continuous destruction of bone.]]> 2018-10-16 12:26:18 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293277247 osteoblast acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293277493 Osteoblast, large cell responsible for the synthesis and mineralization of bone during both initial bone formation and later bone remodeling. Osteoblasts form a closely packed sheet on the surface of the bone, from which cellular processes extend through the developing bone]]> 2018-10-16 12:26:45 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293277493 cranium bones acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293277737 Your skull provides structure to your head and face while also protecting your brain. The bones in your skull can be divided into the cranial bones, which form your cranium, and facial bones, which make up your face.]]> 2018-10-16 12:27:10 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293277737 ulna acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293281271 Ulna, inner of two bones of the forearm when viewed with the palm facing forward. (The other, shorter bone of the forearm is the radius.) The upper end of the ulna presents a large C-shaped notch—the semilunar, or trochlear, notch—which articulates with the trochlea of the humerus (upper armbone) to form the elbow joint. ]]> 2018-10-16 12:33:37 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293281271 radius acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293283048 Radius, in anatomy, the outer of the two bones of the forearm when viewed with the palm facing forward. All land vertebrates have this bone. In humans it is shorter than the other bone of the forearm, the ulna.]]> 2018-10-16 12:36:40 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293283048 humerus acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293283824 Humerus, long bone of the upper limb or forelimb of land vertebrates that forms the shoulder jointabove, where it articulates with a lateral depression of the shoulder blade (glenoid cavity of scapula), and the elbow joint below, where it articulates with projections of the ulna and the radius.]]> 2018-10-16 12:37:57 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293283824 femur acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293284567 Femur, also called thighbone, upper bone of the leg or hind leg. The head forms a ball-and-socket joint with the hip (at the acetabulum), being held in place by a ligament (ligamentum teres femoris) within the socket and by strong surrounding ligaments]]> 2018-10-16 12:39:17 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293284567 sternum acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293284653 The sternum, or breastbone, is a flat bone at the front center of the chest. The ribs and sternum make up what is called the 'ribcage.' The ribcage protects the lungs, blood vessels, and heart, along with parts of the spleen, stomach, and kidneys from traumatic injury]]> 2018-10-16 12:39:24 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293284653 ribs acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293287028 any of the paired bones, 12 on either side, extending from the thoracic vertebrae toward the median line on the ventral aspect of the trunk, forming the major part of the thoracic skeleton.]]> 2018-10-16 12:43:15 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293287028 scapula acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293288410 Scapula, also called shoulder blade, either of two large bones of the shoulder girdle in vertebrates. In humans they are triangular and lie on the upper back between the levels of the second and eighth ribs. A scapula’s posterior surface is crossed obliquely by a prominent ridge, the spine, which divides the bone into two concave areas, the supraspinous and infraspinous fossae.]]> 2018-10-16 12:45:35 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293288410 vertebrae acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293288744 Femur, also called thighbone, upper bone of the leg or hind leg. The head forms a ball-and-socket joint with the hip (at the acetabulum), being held in place by a ligament (ligamentum teres femoris) within the socket and by strong surrounding ligaments]]> 2018-10-16 12:46:07 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293288744 patella acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293288996 The patella is commonly referred to as the kneecap. It is a small, freestanding, bone that rests between the femur (thighbone) and tibia (shinbone). The femur has a dedicated groove along which the kneecap slides. As a form of protection, both bones also contain cartilage — strong, flexible tissue — in the areas near the patella.]]> 2018-10-16 12:46:30 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293288996 clavicle acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293289170 Clavicle, also called Collarbone, curved anterior bone of the shoulder (pectoral) girdle in vertebrates; it functions as a strut to support the shoulder.]]> 2018-10-16 12:46:49 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293289170 fibula acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293291892 The fibula or calf bone is a leg bone located on the lateral side of the tibia, with which it is connected above and below. It is the smaller of the two bones, and, in proportion to its length, the slenderest of all the long bones.


]]> 2018-10-16 12:51:14 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293291892 metacarpals acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293292201 The metacarpals are long bones within the hand that are connected to the carpals, or wrist bones, and to the phalanges, or finger bones. The metacarpals together are referred to as the 'metacarpus.]]> 2018-10-16 12:51:43 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293292201 carpals acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293292478 Carpal bone, any of several small angular bones that in humans make up the wrist (carpus), and in horses, cows, and other quadrupeds the “knee” of the foreleg. They correspond to the tarsal bones of the rear or lower limb]]> 2018-10-16 12:52:10 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293292478 periosteum acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293292727 Periosteum, dense fibrous membrane covering the surfaces of bones, consisting of an outer fibrous layer and an inner cellular layer (cambium). The outer layer is composed mostly of collagen and contains nerve fibres that cause pain when the tissue is damaged.]]> 2018-10-16 12:52:34 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293292727 compact bone acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293293319 Compact bone, also called cortical bone, dense bone in which the bony matrix is solidly filled with organic ground substance and inorganic salts, leaving only tiny spaces (lacunae) that contain the osteocytes, or bone cells.]]> 2018-10-16 12:53:31 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293293319 spongy bone acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293293695 Cancellous bone makes up about 20 percent of the human skeleton, providing structural support and flexibility without the weight of compact bone. It is found in most areas of bone that are not subject to great mechanical stress. It makes up much of the enlarged ends (epiphyses) of the long bones]]> 2018-10-16 12:54:05 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293293695 red bone marrow acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293293957 Red marrow, also called myeloid tissue, is highly vascularized and primarily produces HSCs, which differentiate into progenitor cells that generate red blood cells (coloring this marrow red), white blood cells, and platelets. These differentiated cells enter the blood circulation through sinusoids.]]> 2018-10-16 12:54:33 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293293957 yellow bone marrow acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293294240 The color of yellow marrow is due to the much higher number of fat cells.
Both types of bone marrow contain numerous blood vessels and capillaries.
At birth, all bone marrow is red.
With age, more and more of it is converted to the yellow type.

]]> 2018-10-16 12:55:01 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293294240 joints acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293294455 Joint, in anatomy, a structure that separates two or more adjacent elements of the skeletal system. Depending on the type of joint, such separated elements may or may not move on one another.]]> 2018-10-16 12:55:22 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293294455 tendons acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293294616 Tendon, tissue that attaches a muscle to other body parts, usually bones. Tendons are the connective tissues that transmit the mechanical force of muscle contraction to the bones; the tendon is firmly connected to muscle fibres at one end and to components of the bone at its other end]]> 2018-10-16 12:55:44 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293294616 cartillage acue0385 https://padlet.com/acue0385/cmw7n9209jel/wish/293294893 Cartilage is a tough but flexible tissue that is the main type of connective tissue in the body. Around 65–80% of cartilage is water, although that decreases in older people, and the rest is a gel-like substance called the ‘matrix’ that gives it its form and function.]]> 2018-10-16 12:56:10 UTC https://padlet.com/acue0385/cmw7n9209jel/wish/293294893