نتایج جستجو برای: bone mass
تعداد نتایج: 763079 فیلتر نتایج به سال:
Osteoporosis is the most common metabolic bone disorder. It is defined as “a skeletal disease, characterized by low bone mass and microarchitectural deterioration of bone tissue, with a consequent increase in bone fragility and susceptibility to fracture” [1]. Bone is a highly metabolic tissue, incorporating multiple functions such as stabilization of the body, protection of the inner organs an...
Chloroma or granulocytic sarcoma (GS) is a malignant neoplasm of myeloid lineage that occur in a variety of anatomic sites other than the bone marrow including soft tissue, bone, lymph node, nasal fossa, skin and sometime in the orbit. In the subconjunctiva it is rarely reported. A 4-year-old girl with a history of treated acute myelogenous leukemia was referred to Farabi Eye Hospital, Tehra...
Introduction: Follicular thyroid carcinoma (FTC) is the second most common malignant form of thyroid cancers. FTC is more common in women with a peak incidence in the fifth and sixth decades of life. Invasion into blood vessels may lead to distant metastasis to bone, lung, liver or elsewhere. FTC rarely manifests itself as a distant metastatic lesion, especially as solitary metastasis. Case r...
The hypothalamus has been implicated in skeletal metabolism. Whether hunger-promoting neurons of the arcuate nucleus impact the bone is not known. We generated multiple lines of mice to affect AgRP neuronal circuit integrity. We found that mice with Ucp2 gene deletion, in which AgRP neuronal function was impaired, were osteopenic. This phenotype was rescued by cell-selective reactivation of Ucp...
Postmenopausal osteoporosis, a global public health problem, has for decades been attributed solely to declining estrogen levels. Although FSH levels rise sharply in parallel, a direct effect of FSH on the skeleton has never been explored. We show that FSH is required for hypogonadal bone loss. Neither FSHbeta nor FSH receptor (FSHR) null mice have bone loss despite severe hypogonadism. Bone ma...
Weak and osteoporotic bones in old age are an increasing cause of mortality and painful physical impairment of the elderly, especially in the western world. Bone mineral accrual during childhood and adolescence is thought to play a vital role in preventing osteoporosis. Identifying and optimizing the factors influencing peak bone mass is thus important for the prevention of osteoporosis and rel...
INTRODUCTION Cycling has been associated with decreased bone mass during adolescence. Calcium (Ca) and vitamin D (VitD) intake are associated to bone mass and may be important confounders when studying bone mass. AIM To clarify the effect that Ca and VitD may have on bone mass in adolescent cyclists. METHODS Bone mineral content (BMC) and density (BMD) of 39 male adolescents (20 cyclists) w...
BACKGROUND Chronic schizophrenic patients have been reported as having higher osteoporosis prevalence. Survey the bone mass among schizophrenic patients and compare with that of the local community population and reported data of the same country to figure out the distribution of bone mass among schizophrenic patients. METHODS 965 schizophrenic patients aged 20 years and over in Yuli Veterans...
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