نتایج جستجو برای: hair density traits

تعداد نتایج: 538900  

2017
Haiyan Guo Guohu Cheng Yongjun Li Hao Zhang Kangle Qin

The Yangtze River Delta White Goat is the only goat breed that produces high-quality brush hair, or type III hair, which is specialized for use in top-grade writing brushes. There has been little research, especially molecular research, on the traits that result in high-quality brush hair in the Yangtze River Delta White Goat. To explore the molecular mechanisms of the formation of high-quality...

ژورنال: پژوهش در پزشکی 2014
احمدی, ثریا, دهقانی, صادق, مفید, بهرام, مومنی, حدیث,

Abstract Background: Follicles are part of epidermis and pass through a cell cycle. The result of this cell division is producing hair. Follicles specially growing follicles are very sensitive against irradiation and are damaged by low dose rates. So in this study investigated the relationship between chronic exposure of radiation workers and their hair loss. Materials and methods: In this stud...

Journal: :Current problems in dermatology 2007
Liran Horev

Acquired hair loss may be a manifestation of various internal diseases, hormonal and nutritional conditions, systemic intoxications and genetic traits. However, exogenous exposures may be major contributors to hair thinning and decline of texture, color, luster, elasticity and manageability. In this review, we describe the effects of various exogenous agents on hair, including hair cosmetics, t...

Journal: :Revista brasileira de psiquiatria 2015
Nancy J Keuthen Esther S Tung Erin M Altenburger Mark A Blais David L Pauls Christopher A Flessner

OBJECTIVE To examine whether personality traits have predictive validity for trichotillomania (TTM) diagnosis, pulling severity and control, and hair pulling style. METHODS In study 1, logistic regression was used with TTM cases (n=54) and controls (n=25) to determine if NEO Five-Factor Inventory (NEO-FFI) personality domains predicted TTM case vs. control classification. In study 2, hierarch...

2012
Karin J. H. Verweij Andrea V. Burri Brendan P. Zietsch

Intersexual selection has been proposed as an important force in shaping a number of morphological traits that differ between human populations and/or between the sexes. Important to these accounts is the source of mate preferences for such traits, but this has not been investigated. In a large sample of twins, we assess forced-choice, dichotomous mate preferences for height, skin colour, hair ...

2018
Salinee Rojhirunsakool Poonkiat Suchonwanit

Purpose Female pattern hair loss (FPHL) is a common hair disease. However, studies of the quantitative measurement of FPHL are still limited. The aim of this study was to investigate the characteristics of hair density and hair diameter in normal women and FPHL patients, and further correlate the quantitative measurement with the clinical presentation of FPHL. Patients and methods An evaluati...

Journal: :American journal of physical anthropology 2013
Aaron A Sandel

Humans are unusual among mammals in appearing hairless. Several hypotheses propose explanations for this phenotype, but few data are available to test these hypotheses. To elucidate the evolutionary history of human "hairlessness," a comparative approach is needed. One previous study on primate hair density concluded that great apes have systematically less dense hair than smaller primates. Whi...

Journal: :avicenna journal of phytomedicine 0
satish patel department of pharmaceutical sciences, dr. hari singh gour vishwavidyalaya sagar- 470003 (m.p.),india vikas sharma department of pharmaceutical sciences, dr. hari singh gour vishwavidyalaya sagar- 470003 (m.p.),india nagendra chauhan department of pharmaceutical sciences, dr. hari singh gour vishwavidyalaya sagar- 470003 (m.p.),india mayank thakur institute for laboratory medicine clinical chemistry and pathobiochemistry, charite universitäts medizin, campus virchow klinikum, augustenburgerplatz 1, berlin, germany vinod dixit department of pharmaceutical sciences, dr. hari singh gour vishwavidyalaya sagar- 470003 (m.p.),india

objectives: this study was designed to investigate the potential phyllanthus niruri extracts in promotion of hair growth. materials and methods: here, we studied the hair growth promoting activity of petroleum ether extract of p. niruri following its topical administration. alopecia was induced in albino rats by subcutaneous administration of testosterone for 21 days. evaluation of hair loss in...

Journal: :Journal of Forestry Research 2022

Abstract Sex has a significant effect on various traits among dioecious plants. In this analysis of the sex radial growth and wood density numerous 20-year-old trees Populus deltoides growing in common garden, male performed better than females growth, but did not significantly affect density. Growth rate were weakly negatively correlated. selection is also critical for controlling seed-hair po...

Journal: :Human molecular genetics 2015
Ryosuke Kimura Chiaki Watanabe Akira Kawaguchi Yong-Il Kim Soo-Byung Park Koutaro Maki Hajime Ishida Tetsutaro Yamaguchi

Hair and teeth are appendages of ectodermal origin, and there are common molecular backgrounds involved in their formation. To date, it has been revealed that a non-synonymous polymorphism in EDAR has effects on the morphological variation in both hair and teeth. Previous association studies have confirmed that single-nucleotide polymorphisms (SNPs) in/near THADA, FRAS1, WNT10A, NAF1 and FGFR2 ...

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