Haversian


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Ha`ver´sian

    (hå`vẽr´shan)
a.1.Pertaining to, or discovered by, Clopton Havers, an English physician of the seventeenth century.
Haversian canals
(Anat.) the small canals through which the blood vessels ramify in bone.
References in periodicals archive ?
Typically, lesions include Haversian canals and lamellar bone surrounded by dense fibrous tissue.
The ivory or compact type, which was found in our patient, is very dense and lacks Haversian canals.
At higher magnifications, the reamed debris contained a mixture of small cancellous and cortical bone fragments, with the latter types of bone containing many haversian elements.
Dexamethasone caused marked deformity in the bone tissue in the form of increased endosteal bone resorption with widening of medullary cavity and haversian canals.
Histopathology revealed lamellated compact bone enclosing haversian canals, with osteocytes within the lacunae at places while empty lacunae at other places; suggestive of compact Osteoma.
Myeloid sarcomas are thought to arise from the migration of neoplastic cells from the bone marrow through Haversian canals.
Cross-section dimension of large Haversian canals of perimedullary zone in all long bones is bigger than in subperiosteal zone.
Osteomyelitis is an inflammatory process of bone that usually begins as an infection of the medullary cavity, rapidly involves the Haversian system and quickly extends to the periosteum.
An examination of the cortex reveals two distinct regions: the inner cortex exhibits an extensive process of cortical remodelling by secondary osteons, resulting in a dense Haversian tissue that obliterates almost completely the primary complex of the cortex (Figs.
As observed in humans, an important feature of NHP bone is the presence of osteonal or Haversian remodeling in cortical bone (i.
9) Unaffected areas of the jaw in patients with BRONJ have prominent trabecular structures and smaller and fewer Haversian Canals.
Pathophysiology of pain in leukaemia Site/system Pathology Symptom Central nervous Meningeal Headache system infiltration Neck stiffness Peripheral nervous Chemotherapy- Peripheral system related nerve neuropathy damage Lymphatic system Lymphatic Nociceptive and/or infiltration neuropathic pain Splenic infiltration Abdomen Hepatic infiltration Nociceptive and/or Capsular stretch neuropathic pain Abdominal node infiltration Ileus Bone Cortical infiltration Nociceptive bone Pathological pain fractures Neuropathic bone Periosteal stretch pain Infiltration of haversian canals Table 2.