what type of bone is the clavicle

Also, the medial end of the bone can be pulled superiorly by the sternocleidomastoid muscle. A figure eight brace pulls the shoulder back, forcing the clavicle into alignment. The three parts of the collarbone are the sternal (medial) end, shaft, and the acromial (lateral) end. In ORIF, the supraclavicular nerves are often sacrificed – resulting in a post-operative numb patch over the shoulder.

Unlike most bones, the clavicle bone does not have marrow. (2006). Transmits physical impacts from the upper limb to the, This page was last edited on 3 September 2020, at 15:58. The collarbone is long, thin, and located at the base of … Also, another rough oval depression occurs in the inferior surface of the sternal end for the costoclavicular ligament, a ligament of the SC joint. Become a Study.com member to unlock this …added dermal bones are the clavicles, which unite below the gill chambers with each other or with the sternum. The medial end is pulled superiorly by the sternocleidomastoid muscle. It has a rounded medial end and a flattened lateral end. Fig 1 – The anatomical position of the clavicle. Technically, the clavicle is the shoulder bone. Introduction to the Study of Dinosaurs. Anterior view of the bones of the right shoulder, showing the clavicle (collarbone), scapula (shoulder blade), and humerus …

It is a horizontally located long bone, and collarbone refers to the same bone. A fractured clavicle is one of the most common shoulder injuries. It provides support for the shoulder and connects the arms to the rest of the skeleton. Original Author(s): Oliver Jones Last updated: August 7, 2018 The clavicle acts to transmit forces from the upper limb to the axial skeleton. The collarbone is a slender bone with the shape of an ‘S’.

answer! Bone type: One of the four basic bone shapes in the human skeleton. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. It is a long bone. Flat bones are composed of two compact surfaces with a spongy bone layer in the middle. They are the prominent bones on each side of the top of the chest. It is extremely unusual for tumors to develop in flat bones, especially in the clavicle. The break can often be felt through the skin and is easily identified in an X-ray. The clavicle is the bone of the shoulder. In many mammals, the clavicles are also reduced, or even absent, to allow the scapula greater freedom of motion, which may be useful in fast-running animals. Study.com helped me and taught me what I needed to know in the class that my teacher was not covering. Short bones: Short bones also have a tubular shaft and articular surfaces at each end but are much smaller. Long bones: Long bones have a tubular shaft and articular surface at each end. Therefore, there is no significant difference between clavicle and collarbone.

It is classed as a long bone, and can be palpated along its length. Animation. It consists of large double curves. Let us know if you have suggestions to improve this article (requires login). This article was most recently revised and updated by, https://www.britannica.com/science/clavicle, Theodora/anatomy - Human Body II - Osteology - The Clavicle. Also, the location of the collarbone is touchable in people with less fat in their bodies. Management of a clavicular fracture can be conservative (e.g. A pair of clavicles occurs on each side of the chest. Get access to expert help, study tools, and 1,000,000+ answered questions. The anterior border is concave forward and posterior border is convex backward. Oxford, Blackwell Publishing. By visiting this site you agree to the foregoing terms and conditions. There are two clavicles in the body: one in the left and the other on the right. From the roughly pyramidal sternal end, each collarbone curves laterally and anteriorly for roughly half its length. On the other hand, the acromial end provides attachment points for both conoid ligament and trapezoid line. What is the Difference Between Tuberosity and... What is the Difference Between Milk Steamer and Frother, What is the Difference Between Stoneware and Ceramic, What is the Difference Between Chef Knife and Utility Knife, What is the Difference Between Parental Involvement and Engagement, What is the Difference Between Coffee Maker and Percolator, What is the Difference Between Cutlery and Flatware. The two clavicles and the two scapulas form the shoulder girdle, also called the pectoral girdle. “The Clavicle.” TeachMeAnatomy, 7 Aug. 2018, Available Here. Clavicle, also called Collarbone, curved anterior bone of the shoulder (pectoral) girdle in vertebrates; it functions as a strut to support the shoulder. Fig 2 – Bony landmarks of the inferior surface of the clavicle. However, it is one of the last bones to finish ossification at about 21–25 years of age. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Clavicle fractures (colloquially, a broken collarbone) occur as a result of injury or trauma. It is also useful for evaluating an enlarged liver, and for locating the gallbladder which is between the mid-clavicular line and the transpyloric plane. They are, however, absent in cartilaginous fish and in the vast majority of living bony fish, including all of the teleosts.

What helps a broken collarbone heal faster? It articulates with the manubrium of the sternum or the breast bone, forming the sternoclavicular joint (SC joint). The levator claviculae muscle, present in 2–3% of people, originates on the transverse processes of the upper cervical vertebrae and is inserted in the lateral half of the clavicle. Muscles and ligaments that attach to the collarbone include: A vertical line drawn from the mid-clavicle called the mid-clavicular line is used as a reference in describing cardiac apex beat during medical examination. 1.

The mandible is found in the jaw and is part of the skull so can be classed as a flat bone but has also been described as irregular due to the shape. The most common mechanism of injury is a fall onto the shoulder, or onto an outstretched hand. It is classed as a long bone, and can be palpated along its length.In thin individuals, it is visible under the skin.

[5], The earliest tetrapods retained this arrangement, with the addition of a diamond-shaped interclavicle between the base of the clavicles, although this is not found in living amphibians.

These surface features are attachment sites for muscles and ligaments of the shoulder. Diagram of the human shoulder joint, front view, Diagram of the human shoulder joint, back view, CS1 maint: multiple names: authors list (. clavicle is a collar bone,flat bone that makes up the part of the shoulder.. What bone connects the mandible to the temporal bone?

It is a touchable bone, and in people who have less fat in this region, the location of the bone is clearly visible, as it creates a bulge in the skin. Name the blood vessel that carries unfiltered blood from the aorta to the kidney. [3], The left clavicle is usually longer and not as strong as the right clavicle.[2][4]. The medical information on this site is provided as an information resource only, and is not to beused or relied on for any diagnostic or treatment purposes. Which of the bones listed below does not... Name the following: A narrow, triangular groove... What is the scientific name for the collarbone? A direct hit to the collarbone will also cause a break. The clavicle first appears as part of the skeleton in primitive bony fish, where it is associated with the pectoral fin; they also have a bone called the cleithrum. The inferior surface of the sternal end is marked by a rough oval depression for the costoclavicular ligament (a ligament of the SC joint). The shaft of the clavicle acts a point of origin and attachment for several muscles - deltoid, trapezius, subclavius, pectoralis major, sternocleidomastoid and sternohyoid. What Are the Different Treatments for Clavicle Swelling. open reduction and internal fixation, ORIF). The wishbone, or furcula, of birds is composed of the two fused clavicles; a crescent-shaped clavicle is present under the pectoral fin of some fish. Located directly above the first rib, it acts as a strut to keep the scapula in place so that the arm can hang freely. The cancellous bone forms via two ossification centres, one medial and one lateral, which fuse later on.

Once you've finished editing, click 'Submit for Review', and your changes will be reviewed by our team before publishing on the site. The shape of the clavicle varies more than most other long bones. The clavicle (collarbone) extends between the manubrium of the sternum and the acromion of the scapula.

However, collarbone is another term to the clavicle. Our 3D anatomical model provides you with hands-on, interactive and valuable learning tool right here on your device. The acromial end houses a small facet for articulation with the acromion of the scapula at the acromioclavicular joint. It bears a facet that articulates with the shoulder to form the acromioclavicular joint. The conoid tubercle is the attachment point for the conoid ligament while the trapezoid ligament is the attachment point for the trapezoid ligament. It can be divided into a sternal end, a shaft and an acromial end. What is Collarbone      – Definition, Anatomy, Function 3. The shaft of the clavicle acts a point of origin and attachment for several muscles – deltoid, trapezius, subclavius, pectoralis major, sternocleidomastoid and sternohyoid. At its lateral end it articulates with the acromion, a process of the scapula (shoulder blade), at the acromioclavicular joint. It is a long bone. They are mostly categorized by their shape. In birds, the clavicles and interclavicle have fused to form a single Y-shaped bone, the furcula or "wishbone" which evolved from the clavicles found in coelurosaurian theropods. The sternal end contains a large facet - for articulation with the manubrium of the sternum at the sternoclavicular joint. Collarbone refers to either of the pairs of bones joining the breast bone to the shoulder blades. There are five types of bones in the human body. If you do not agree to the foregoing terms and conditions, you should not enter this site. [2] It is a dermal bone derived from elements originally attached to the skull. Note how the medial end is raised and the lateral end lowered. 299-300. Fig 3 – X-Ray of a clavicular fracture. There are two clavicles, one on the left and one on the right. What is Clavicle       – Definition, Characteristics  2. The collarbone is the first bone to begin the process of ossification (laying down of minerals onto a preformed matrix) during development of the embryo, during the fifth and sixth weeks of gestation.

The articular surface extends to the inferior aspect for articulation with the first costal cartilage. Is our article missing some key information? “Gray201” By Henry Vandyke Carter – Henry Gray (1918) Anatomy of the Human Body, Bartleby.com: Gray’s Anatomy, Plate 201 (Public Domain) via Commons Wikimedia  3.

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