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相关概念视频

Karyotyping01:17

Karyotyping

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Overview
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Nondisjunction01:21

Nondisjunction

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Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate correctly and move to the opposite poles of the cells. This produces daughter cells with abnormal chromosome numbers.  Nondisjunction is common during anaphase I or anaphase II of meiosis.  Mutations in synaptonemal complex proteins that attach homologous chromosomes increase the chances of nondisjunction in anaphase I of meiosis I. In contrast, mutations in topoisomerases and condensins that hold...
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X and Y Chromosomes02:32

X and Y Chromosomes

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Among mammals, the gender of an organism is determined by the sex chromosomes. Humans have two sex chromosomes, X and Y. Every human diploid cell has 22 pairs of autosomes and one pair of sex chromosomes. A human female has two X chromosomes, while a male has one X chromosome and one Y chromosome.
The germline cells such as egg and sperm cells carry only half the number of chromosomes, i.e., 22 autosomes and one sex chromosome. All eggs have an X chromosome, while sperm cells can carry an X or...
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Sex-linked Disorders01:43

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Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
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Visual Agnosia01:12

Visual Agnosia

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Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
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Autism Spectrum Disorder01:19

Autism Spectrum Disorder

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Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
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相关实验视频

Updated: Jan 18, 2026

Generation of Induced Pluripotent Stem Cells from Turner Syndrome 45XO Fetal Cells for Downstream Modelling of Neurological Deficits Associated with the Syndrome
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视觉化特纳综合征 视觉化特纳综合征

Kirstine Stochholm1,2, Astrid Bruun Rasmussen3,4, Anne Skakkebæk2,5,6

  • 1Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark.

American journal of medical genetics. Part C, Seminars in medical genetics
|June 2, 2025
PubMed
概括
此摘要是机器生成的。

特纳综合征 (TS) 诊断仍然具有挑战性,延迟了护理. 这项研究更新了对25名丹麦人的TS外表的理解,揭示了临床表现的显著差异.

关键词:
图纳综合征是特纳综合征的一种症状.诊断 诊断 诊断 诊断 诊断 诊断没有诊断的非诊断.现象型 现象型 是一种现象型.

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科学领域:

  • 遗传学 遗传学 是一个
  • 儿科 儿科 儿科
  • 内分泌学 在内分泌学.

背景情况:

  • 对医疗保健提供者来说,特纳综合征 (TS) 诊断存在持续的挑战.
  • 这些诊断困难往往导致治疗延迟和不理想的临床管理.
  • 了解TS的物理表现对于及时识别至关重要.

研究的目的:

  • 提供关于特纳综合征的女孩和妇女身体外观的最新概述.
  • 为了说明TS群体内的表型变异性.
  • 通过详细的临床描述和照片,帮助医疗保健专业人员识别TS.

主要方法:

  • 收集了临床照片和详细的临床描述.
  • 从25名丹麦女孩和被诊断患有TS的妇女中收集了数据.
  • 现型特征被系统地记录下来.

主要成果:

  • 这项研究突出了TS患者身体外表的广泛范围.
  • 在整个队列中观察到临床表型的显著变化.
  • 摄影和描述数据强调了TS表现的异质性.

结论:

  • 身体外观和临床表型的广泛变化需要提高医疗保健专业人员的意识.
  • 早期和准确的TS诊断对于启动适当的医疗护理和管理至关重要.
  • 这份最新的临床描述是诊断特纳综合征的宝贵资源.