نتایج جستجو برای: growth defects

تعداد نتایج: 939617  

2018

A variety of developmental defects occur as a result of prenatal exposure to alcohol (ethanol) in utero. In humans [5], those defects are collectively classified as Fetal Alcohol Spectrum Disorders, with Fetal Alcohol Syndrome [6] (FAS) representing the more severe defects. FAS is defined by preand post-natal growth retardation [7], minor facial abnormalities, and deficiencies in the central ne...

2018

A variety of developmental defects occur as a result of prenatal exposure to alcohol (ethanol) in utero. In humans [5], those defects are collectively classified as Fetal Alcohol Spectrum Disorders, with Fetal Alcohol Syndrome [6] (FAS) representing the more severe defects. FAS is defined by preand post-natal growth retardation [7], minor facial abnormalities, and deficiencies in the central ne...

2018
Richard D. Zachman

A variety of developmental defects occur as a result of prenatal exposure to alcohol (ethanol) in utero. In humans [5], those defects are collectively classified as Fetal Alcohol Spectrum Disorders, with Fetal Alcohol Syndrome [6] (FAS) representing the more severe defects. FAS is defined by preand post-natal growth retardation [7], minor facial abnormalities, and deficiencies in the central ne...

2010
S. M. Scheepers C. H. Annandale E. C. Webb

________________________________________________________________________________ Abstract The aim of the study was to determine if the breeding potential of 25-month old Bonsmara beef bulls could be predicted from production characteristics. Forty-one Bonsmara bulls were included in an on-farm performance test (also known as the Phase D growth test) for a period of 180 days. At an average age o...

Journal: :Genetics 1998
S G Kaminskyj J E Hamer

Aspergillus nidulans grows by apical extension of multinucleate cells called hyphae that are subdivided by the insertion of crosswalls called septa. Apical cells vary in length and number of nuclei, whereas subapical cells are typically 40 microm long with three to four nuclei. Apical cells have active mitotic cycles, whereas subapical cells are arrested for growth and mitosis until branch form...

Journal: :Clinical advances in periodontics 2011
William V Giannobile Scott J Hollister Peter X Ma

Polypeptide growth factors have demonstrated strong potential to repair defects associated with teeth and dental implants. Over the past two decades, intense research efforts have led to the clinical development of several growth factors or biologic agents, including bone morphogenetic proteins, platelet-derived growth factor, fibroblast growth factors, and enamel matrix proteins. Several of th...

H. Haratizadeh M. Ghezellou M. Najafi,

In this study un-doped and Eu-doped ZnO nanorods and microrads were fabricated by Chemical Vapor Deposition (CVD) method. The effects of annealing, synthesis temperature and structure on structural and photoluminescence properties of Eu-doped ZnO samples were studied in detail. Prepared samples were characterized using X-Ray diffraction (XRD), scanning electron microscopy (SEM), particle size a...

Journal: :Archives of oral biology 2002
T King S Hillson L T Humphrey

Developmental disturbances that affect the secretion of enamel matrix can cause defective enamel structure. Linear hypoplasia is one type of enamel defect and manifests itself as a furrow that runs around the circumference of the tooth. Such defects range in size from the microscopic to those that are several millimetres wide. Enamel defects have been widely used by anthropologists for the inve...

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