osteon

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Related to Osteons: Haversian system

osteon

 [os´te-on] (Gr.)
the basic unit of structure of compact bone, comprising a haversian canal and its concentrically arranged lamellae.

os·te·on

, osteone (os'tē-on, -ōn),
A central canal containing blood capillaries and the concentric osseous lamellae around it occurring in compact bone.
Synonym(s): haversian system
[G. osteon, bone]

osteon

/os·te·on/ (os´te-on) [Gr.] the basic unit of structure of compact bone, comprising a haversian canal and its concentrically arranged lamellae.

osteon

(ŏs′tē-ŏn′)
n.
A structural unit of bone consisting of a haversian canal and corresponding lamellae of compact bone. Also called haversian system.

osteon

[os′tē·on]
Etymology: Gk, bone
the basic central structural unit of compact bone, consisting of the haversian canal and its concentric rings of 4 to 20 lamellae. Most of the units run with the long axis of the bone. Also called haversian system.

os·te·on

, osteone (os'tē-on, -ōn)
A central canal containing blood capillaries and the concentric osseous lamellae around it occurring in compact bone.
Synonym(s): haversian system.
[G. osteon, bone]

Havers,

Clopton, English anatomist, 1650-1702.
Havers glands - collections of adipose tissue in the hip, knee, and other joints, covered by synovial membrane. Synonym(s): synovial glands
haversian canals - vascular canals that run longitudinally in the center of haversian systems of compact osseous tissue. Synonym(s): Leeuwenhoek canals
haversian lamella - one of the concentric tubular layers of bone surrounding the central canal in an osteon. Synonym(s): concentric lamella
haversian spaces - spaces in bone formed by the enlargement of haversian canals.
haversian system - a central canal containing capillaries and the concentric osseous lamellae around it occurring in compact bone. Synonym(s): osteon

os·te·on

, osteone (os'tē-on, -ōn)
A central canal containing blood capillaries and the concentric osseous lamellae around it occurring in compact bone.
Synonym(s): haversian system.
[G. osteon, bone]

osteon (os´tēon),

n the three-dimensional reconstruction of concentric lamellae arranged circumferentially about the course of a central blood vessel.

osteon

the basic unit of structure of compact bone, comprising a haversian canal and its concentrically arranged lamellae. Called also haversian system.
References in periodicals archive ?
There are a large number of lumens and lacunas in the tibia, with osteons in between.
Younger (small) osteons are mostly located in the superficial zone of the bone tissue, but they are located in other regions too.
In the birds' age groups under review, large osteons are located primarily in the tibia and femoral bone, while in humerus they are always less in number.
It was found that daily treatment with 20 micrograms of teriparatide increased the number of osteons (the long cylindrical clusters that bone cells form) at both the trabecular and endosteal envelopes, leading to an increase in bone-forming activity.
Modeling and Remodeling Osteons at the Trabecular and
A quantidade e o amadurecimento do osso formado progrediram concomitantemente com o avancar do tempo de observacao, e aos 90 dias ja eram observados alguns osteons.
Em acrescimo, a quantidade e o amadurecimento do osso formado progrediram concomitantemente com o avancar do tempo de observacao, e aos 90 dias ja eram observados alguns osteons.
In cancellous or spongy bone, lamellae are not arranged in osteons.
The osteons are oriented parallel to the long axis of a bone and are responsible for anisotropic mechanical properties.
The cells of compact bone and the inorganic intercellular matrix in which they are suspended are organized around basic structural units called osteons or Haversian systems.
Compressive loading pushes bone matrix and cells together, shrinking bone until osteons are crushed and bone structure fails.