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Joints are the place of articulation between two or more bones or between a bone and a cartilage. How many types of Joints are present in our body? It is of three types: proximal phalanges, intermediate phalanges and distal phalanges.ĩ. Finger bones are also known as.?įinger bones are also known as phalanges. On the basis of the presence or absence of a red pigment called myoglobin, the skeletal muscles are classified in to red and white muscles.Ĩ. Due to the presence of which pigment skeletal muscles are categorised in to red and white muscles?
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It is just a few millimetres long and thinner than cotton thread.ħ. Stapedius is the smallest muscle which is present deep inside the ear. Name the muscle that act in opposition to each other?Īntagonists muscle act in opposition to each other. What is Blood Pressure and how it is measured?ĥ. Mandible is the only movable bone in the skull of man.įibula is a leg bone and is the thinnest in the human body. Name the only movable bone in the skull of man? Femur, tibia and fibula bones together support the shank of the leg.ģ. Femur is the longest and heaviest bone of the body. The bones of leg consist of the femur (thigh), tibia and fibula (leg), tarsals (back of the foot), metatarsals (forefoot) and phalanges (toes). Name the longest and heaviest bone of the body? It consists of skull, vertebral column, ribs and sternum.Ģ. The skeletal elements which are present along the longitudinal axis of the body. GK Quiz on bones, joints and muscles will help to understand the various terms related to it and also help in the preparation of various entrance examinations. Bone is a hard connective tissue in which the ground substance is very hard and contains calcium salts. It also pumps blood and lymph from the periodontal membrane into the dental veins and lymph channels and stimulates sensory nerve terminals in the membrane to send signals to the brain centers that control the muscles of mastication.The human endoskeleton is made up of bones and cartilage of various types. It lessens some of the impact between the upper and lower teeth in biting. The movement of the root within a gomphosis has a threefold effect.
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Syndesmoses of long bones and gomphoses of teeth are also types of fibrous joints. After birth, the bones slowly begin to fuse to become fixed, making the skull bones immovable in order to protect the brain from impact. The skull bones of a fetus are unfused so that they can move over each other slightly to compress skull size during birth. The skull bones are connected by fibrous joints called sutures.
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Fibrous joints have no joint cavity and are connected via fibrous connective tissue. These joints are also called fixed or immovable joints because they do not move. The presence of Sharpey’s fibers permit a little flexibility.įibrous joints are joined by dense irregular connective tissue that is rich in collagen fibers.įibrous joints are connected by dense connective tissue consisting mainly of collagen. Except for the mandible, all are joined together by sutures, semi-rigid articulations formed by bony ossification. In practice, there is significant overlap between the two types of classifications.įibrous Joints: The adult skull is normally made up of 22 bones. Structural classification is determined by how the bones connect to each other, while functional classification is determined by the degree of movement between the articulating bones. They are constructed to allow movement (except for skull bones), provide mechanical support, and are classified structurally and functionally. gomphoses: A joint that binds the teeth to bony sockets (dental alveoli) in the maxillary bone and mandible.Ī joint is the location at which two or more bones make contact.suture: In anatomy, a suture is a fairly rigid joint between two or more hard elements such as the bony plates of the skull.syndesmoses: Slightly movable articulations where the contiguous bony surfaces are united by an interosseous ligament, as in the inferior tibiofibular articulation.\( \newcommand\)įibrous joints are also called fixed or immovable joints because they do not move.
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