- published: 17 Jan 2015
- views: 6737
Bone cells, which are found within the bone tissue, are responsible for the make-up of the skeleton of vertebrates. There are different types of bone tissue in a bone, made up of various types of bone cells: there is the cortical bone, which is the compact tissue of the hard outer part (cortex) of the bone; the cancellous bone, which is the spongy tissue inside of the compact cortex; and the subchondral tissue, which is the smooth tissue at the end of each bone. Bone cells all work together inside of the bones to help keep up the skeletal system. The bone cells do many things for the skeletal system, such as the development of new bones and continual bone remodeling (the maintenance of bones and the homeostatic regulation of minerals in the body). Types of bone cell include osteoclasts, which break down bone tissue; osteoblasts, which build new bone tissue; osteocytes, which hold the bone together; and lining cells, which protect the bone.
There are four main categories of bone cells which include:
Cell(s) may refer to:
A bone is a rigid organ that constitutes part of the vertebral skeleton. Bones support and protect the various organs of the body, produce red and white blood cells, store minerals and also enable mobility. Bone tissue is a type of dense connective tissue. Bones come in a variety of shapes and sizes and have a complex internal and external structure. They are lightweight yet strong and hard, and serve multiple functions. Mineralized osseous tissue, or bone tissue, is of two types, cortical and cancellous, and gives a bone rigidity and a coral-like three-dimensional internal structure. Other types of tissue found in bones include marrow, endosteum, periosteum, nerves, blood vessels and cartilage.
Bone is an active tissue composed of different types of bone cells. Osteoblasts are involved in the creation and mineralisation of bone; osteocytes and osteoclasts are involved in the reabsorption of bone tissue. The mineralised matrix of bone tissue has an organic component mainly of collagen and an inorganic component of bone mineral made up of various salts.
Khan Academy is a non-profit educational organization created in 2006 by educator Salman Khan with the aim of providing a free, world-class education for anyone, anywhere. The organization produces short lectures in the form of YouTube videos. In addition to micro lectures, the organization's website features practice exercises and tools for educators. All resources are available for free to anyone around the world. The main language of the website is English, but the content is also available in other languages.
The founder of the organization, Salman Khan, was born in New Orleans, Louisiana, United States to immigrant parents from Bangladesh and India. After earning three degrees from the Massachusetts Institute of Technology (a BS in mathematics, a BS in electrical engineering and computer science, and an MEng in electrical engineering and computer science), he pursued an MBA from Harvard Business School.
In late 2004, Khan began tutoring his cousin Nadia who needed help with math using Yahoo!'s Doodle notepad.When other relatives and friends sought similar help, he decided that it would be more practical to distribute the tutorials on YouTube. The videos' popularity and the testimonials of appreciative students prompted Khan to quit his job in finance as a hedge fund analyst at Connective Capital Management in 2009, and focus on the tutorials (then released under the moniker "Khan Academy") full-time.
Learn the basics of bone biology, including the different elements that make up bone and how those pieces work together, in this short and visually dynamic animation.
The second film in the bone biology series describes the role and functions of the cells responsible for breaking down bone tissue (osteoclasts) and building new bone (osteoblasts).
This video gives an overview to the types of bone cells and explains what the osteogenic cells and osteoblasts are Support us!: https://www.patreon.com/learningsimply Twitter: https://twitter.com/learningsimplyv
Created by Tracy Kim Kovach. Watch the next lesson: https://www.khanacademy.org/test-prep/nclex-rn/rn-muscular-system/rn-the-skeletal-system/v/skeletal-endocrine-control?utm_source=YT&utm;_medium=Desc&utm;_campaign=Nclex-rn Missed the previous lesson? https://www.khanacademy.org/test-prep/nclex-rn/rn-muscular-system/rn-the-skeletal-system/v/microscopic-structure-of-bone-haversian-system?utm_source=YT&utm;_medium=Desc&utm;_campaign=Nclex-rn NCLEX-RN on Khan Academy: A collection of questions from content covered on the NCLEX-RN. These questions are available under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License (available at http://creativecommons.org/licenses/by-nc-sa/3.0/us/). About Khan Academy: Khan Academy offers practice exercises, instructional vide...
The Structure of Bone This is the structure of bone. Spongy or cancellous bone form the center bulk of all our bones. Its honeycomb structure keeps bone light, in contrast to the heavier, compact bone, which gives it strength. Bone cells or osteocytes are contained in spaces called lacunae. The minute projections of bone cells trail into adjoining channels known as canaliculi. Tissue fluid, which fills the lacunae, allows the transfer of materials between bone cells and capillaries. Haversian systems, each about one-sixtieth of an inch wide, make up the structure of compact bone. Each system is formed by a series of rings called lamellae, which are deposits of mineral salts and collagen fibers. Haversian canals, which run through the center of each Haversian system, contain the ...
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To purchase this DVD please visit http://www.greatpacificmedia.com/ Segment from the program Muscular, Skeletal, and Integumentary Systems: Defining Our Form DVD Description Begins by introducing the dermis and epidermis of the skin; the sweat and sebaceous glands; and the skins role in protecting against microbial invasion, ultra-violet radiation and in producing vitamin D. The program then looks in-depth at the structure and function of skeletal, cardiac and smooth muscle before looking at the structure of cartilage and bone and the skeletal systems role in protecting vital organs, producing blood cells, storing nutrients and in conjunction with the muscular system, producing movement.
An animated description of the composition of bones. Visit www.orthofilms.com for more videos and info.
Bone cells undergo mitosis at a slow pace but are growing everyday.
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Monatomic gold is believed to have been eaten by the ancient Egyptians and was depicted to be a food of the gods which would assist the Egyptians in unlocking their inate mental and spiritual abilities. The discovery of monatomic elements has so far recieved little mainstream attention, but is expected to become an important subject in the future. Some have even said that this discovery may constitute the uncovering of the esoteric "Philosopher's Stone", as spoken of in Alchemy, or even the famous Holy Grail. Viewed spiritually, it is thought to bring enlightenment. Monoatomic Gold acts upon the pituitary gland, inducing an increase in hormonal production, and is thus a rejuvenation agent. Monoatomic Gold strengthens the heart, improves the production of red blood cells in the bone marro...
Anatomy and Physiology Chapter 6 Part A: Bones and Skeletal Tissue Lecture . Chapter 6 Part B lecture can be found here: https://youtu.be/yGU7UVLzq7w Please leave questions in the comments below or email directly at fmajoo@gmail.com Text: Elaine Marieb & Katja Hoehn Human Anatomy and Physiology 10th edition. Pearson Education Inc 2016. The Human Body: An Orientation. Topics Covered: Skeletal Cartilage Perichondrium Cartilage Hyaline Cartilage Elastic Cartilage Fibrocartilage Appositional Growth Interstitial Growth Bone Functions Classification of Bones Axial Skelton Appendicular Skeleton Long Bones Short Bones Sesamoid Bones Flat Bones Irregular Bones Bone Structure Compact Bone Spongy Bone Trabeculae Periosteum Endosteum Diaphysis Epiphyses Epiphyseal line Epiphyseal Plate Membrane...
Subscribe to Naked Science - http://goo.gl/wpc2Q1 Every other Wednesday we present a new video, so join us to see the truth laid bare... The story of a human life, from first cry to final breath, told from within the body. This documentary film combines state-of-the-art special effects, pioneering CGI, startling realistic models and real in-body photography. Exploring human physiology from birth, through the drama of puberty, into adulthood, and finally old age, the programme offers a visually-stunning insight into how our bodies function. Throughout life we undergo a continuous second-by-second transformation, every move we make and every outside stimulus triggers a reaction through the skin, bones, organs, muscles and cells. We breathe on average 700 million breaths in a lifetime, ...
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