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Bone Physiology and Wound Healing
The events involved in osseous wound healing around implants recapitulate the events of wound healing which is depicted in the flowchart.
The effect of many inflammatory mediators, eicosanoids, interleukins and is it chemokines on bone formation and osteoblast behaviour in culture strongly implicates the implication of post surgical inflammatory processes in determination of bone formation.
After the establishment of a well vascularised, immature connective tissue, osteogenesis continues by the recruitment, proliferation and differentiation of the osteoblastic cells. Differentiated osteoblast secretes a collagenous matrix and contributes to its mineralization.
Eventually during the formation, the matrix surrounds the osteoblastic cells and mineralization of a collagenous rich matrix is completed. This cell rich and unorganized bone is called woven bone. The transformation of woven bone to lamellar bone i.e. bone organized to resist physical strain and displaying a haversian architecture, is another important part of osseointegration. Thus, osseointegration involves the direct bone apposition on the implant surface followed by the structural adaptation of the bone to mechanical load and represents a lifelong process of bone formation, adaptation to function and repair of bone
Animal Tissue A tissue is a group of cells that are similar in structure, origin and function. Tissue word coined by Bichat (Father of Histology). Histology term
Non-nucleoside reverse transcriptase inhibitors (NNRTIs) - These drugs are direct, non-nucleoside inhibitors of HIV-1 reverse transcriptase. Combinations of an NNRTI with NRTIs
Which of the below is usually referred to as "master gland" because it regulates so many body activities? Is it: a) Pituitary gland b) Thyroid gland c) Adrenal gland d
EA R It is phono receptor as respond to sound waves. It is teloreceptor as receive stimuli from far distance. It is stato-acousting organ as concerned with b
The Red Data Book Species judged as threatened are listed by various agencies as well as by some private organisations. The most cited of these lists is the Red Data Book. It
The oxidation of substrates like free fatty acids (FFA), glucose, lactate and ketone bodies results in the energy of Adenosine triphosphate (ATP) and Creatine phosphate (CP). The s
Q. Explain about Oral Glucose Tolerance Test? This is most commonly used diagnostic test particularly for identifying new and ‘at risk' individua1s.Thi.s test is carried out af
Factors affects oxygen dissociation curve - Carbon dioxide Carbon dioxide lowers the oxygen affinity of haemoglobin even if the pH is kept constant. This effect is due to the
Q. What are Diastolic Compressive Forces? Coronary perfusion pressure equal to pressure gradient between the coronary arteries and the pressure in LV in diastole. When coronary
Describe Class Aves in details? Class Aves: The fossil record contains evidence that birds evolved from the reptiles. Birds share anatomical features with Protoavis and Archa
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