An osteocyte is a bone-forming cell that has become entrapped within the bone matrix (the hard part of the bone). Medical Definition of osteon: haversian system. ; The basic microscopic unit of bone is an osteon (or Haversian system). (wikipedia.org) 2. Definition. Bone Biology Terms 1. Osteon definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Other Words from osteon. ... Each osteon consists of lamellae, which are layers of compact matrix that surround a central canal called the Haversian canal. shoulder wrist and knee: Term. An endoskeleton is a skeleton found within the interior of the body; it provides structural support and protection for the internal organs and tissues of an organism.. Endoskeletons can take several forms, and can differ in complexity, shape and function, depending on the requirements of the animal. Origin Learn More about osteon. osteometry. Title. Total Cards. The osteon or haversian system / h ə ˈ v ɜːr. In addition to cancer and coronary heart disease, the list includes skin cancer, muscle injury, cataracts, osteo-and rheumatoid arthritis, Parkinson's disease, and … Examples of osteon in the following topics: Microscopic Anatomy of Bone. By definition, tissues are absent from unicellular organisms. Each osteon consists of lamellae of compact bone tissue that surround a central canal (Haversian canal). Bone Biology Terms 1; Shared Flashcard Set. Post the Definition of osteon to Facebook Share the Definition of osteon on Twitter. Definition. Any of the central canals, and surrounding bony layers, found in compact bone. (See our January and February issues.) Definition of Osteocyte. Share osteon. osteomyelitic. a haversian system, structural unit of compact bone with central vascualr canal: Term. ... osteon: Definition. The basic microscopic unit of bone is an osteon, which can be arranged into woven bone or lamellar bone. Osteons are roughly cylindrical structures that can measure several millimeters long and around 0.2 mm in diameter. Biology for Majors II. third ossification? The Haversian canal contains the bone's blood supplies. The basic microscopic unit of bone is an osteon (or Haversian system). ʒ ən / (named for Clopton Havers) is the fundamental functional unit of much compact bone.Osteons are roughly cylindrical structures that are typically between 0.25 mm and 0.35 mm in diameter. Details. Dictionary Entries near osteon. Tissue, in physiology, a level of organization in multicellular organisms; it consists of a group of structurally and functionally similar cells and their intercellular material. Their length is often hard to define, but estimates vary from several millimeters to around 1 centimeter. Sectioned cortical bone showing the tubular and circumferential arrangement of osteon. osteonal \ ˌäs- tē- ˈän- ᵊl , - ˈōn- \ adjective. Module 23: The Musculoskeletal System. 1. 51. They are present in many bones of most mammals and some bird, reptile, and amphibian species. Learn more about tissues in this article. ; Each osteon consists of a lamellae of compact bone tissue that surround a central canal (Haversian canal). Description. Endoskeleton Definition. Look it up now! The fundamental functional unit of compact bone. for PTT 1. In the center of each osteon is a canal, called the Haversian canal. Search for: Structure of Bones. Biology A basic structural unit of bone, consisting of one or more concentric layers of bone around a longitudinal vascular channel; = Haversian system . The Haversian canal (osteonic canal) contains the bone’s blood vessels and nerve fibers (Figure 1). Osteons are roughly cylindrical structures that are typically several millimeters long and around 0.2mm in diameter.