Results 11 to 20 of about 296,937 (286)

Bone marker gene expression in calvarial bones: different bone microenvironments

open access: yesJournal of Biological Research - Thessaloniki, 2017
Background In calvarial mice, mesenchymal stem cells (MSCs) differentiate into osteoprogenitor cells and then differentiate into osteoblasts that differentiate into osteocytes, which become embedded within the bone matrix.
Osama Al-Amer
doaj   +2 more sources

Automated segmentation and length measurement of metacarpal and phalangeal bones for hand radiograph evaluation [PDF]

open access: yesScientific Reports
Evaluating hand and wrist radiographs is essential in pediatric endocrinology and clinical genetics, particularly for the assessment of suspected skeletal anomalies.
Philip Gutberlet   +11 more
doaj   +2 more sources

Inter-species variation in bone mineral [PDF]

open access: yes, 2011
Bone is a complex heterogeneous composite material with organic and inorganic components. The inorganic component; bone mineral, is a poorly crystalline, non-stoichiometric form of calcium hydroxylapatite.
Beckett, Sophie
core   +7 more sources

Bone angiosarcoma in the humerusof a pediatric patient, a whole diagnosticchallenge: Case report

open access: yesIatreia, 2022
Angiosarcoma of the bone is a rare, aggressive and poor-prognosis malignancy, that is unusual in children. This entity preferentially affects the tubular bones, and can present as a solitary or multicentric lesion.
Bravo-Luna, Lucy
doaj   +1 more source

Implant site preparation-related bone microdamage: An alternative ex vivo analysis of drilling speed protocols

open access: yesRGO: Revista Gaúcha de Odontologia, 2022
Objective: The aim of this study was to evaluate bone microdamage in sites prepared for implant placement by using an ex vivo model with three drilling rotation speeds.
Isabella de Almeida FRANCISQUINI   +5 more
doaj   +1 more source

The mechanism study of inhibition effect of prepared Radix Rehmanniainon combined with Radix Astragali osteoporosis through PI3K-AKT signaling pathway

open access: yesActa Cirúrgica Brasileira, 2023
Purpose: To observe the mechanism of prepared Radix Rehmanniainon combined with Radix Astragali in treating osteoporosis. Methods: Osteoporosis rat model was established by bilateral ovariectomy combined with low-calcium diet feeding.
Wen-qian Kang   +4 more
doaj   +1 more source

Development of Patient-Specific CT-FE Modelling of Bone Through Validation Using Porcine Femora [PDF]

open access: yes, 2012
A&E statistics in the UK demonstrate that as high as 60% of bone fractures occur as a result of trips and falls. Subsequently, many studies have been undertaken to simulate the occurrence of hip fractures. Little simulation has been considered outside of
Emerson, Nicholas
core   +5 more sources

Incidence of Inca Bones among Dry Human Skull Bones: A Study in the Medical Colleges of a District in Southern India [PDF]

open access: yesInternational Journal of Anatomy Radiology and Surgery, 2020
Introduction: The occipital bone in the human skull consists of two parts -supraoccipital and interparietal part. Sometimes the interparietal portion of the occipital bone remains separated from the supraoccipital part by a transverse suture, resulting ...
Anusha Donapudi, Borra Vijayanirmala
doaj   +1 more source

EXPLORING CORTICAL BONE DENSITY THROUGH THE ULTRASOUND INTEGRATED REFLECTION COEFFICIENT [PDF]

open access: yesActa Ortopédica Brasileira, 2018
Objective: This work evaluates the relationship between ultrasonic reflection and bone density from fourteen cylindrical bovine cortical bone samples (3.0-cm thick).
Daniel Patterson Matusin   +6 more
doaj   +2 more sources

Bone involvement in non-congenital syphilis

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2023
We documented two stages of bone involvement due to syphilis in two adult patients infected with human immunodeficiency virus. Bony lesions of secondary versus tertiary syphilis cannot be differentiated on clinical or radiologic grounds alone.
Daniela Trujillo   +6 more
doaj   +1 more source

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