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相关概念视频

The Parathyroid Glands00:59

The Parathyroid Glands

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
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Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
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Cardiovascular System Abnormal Findings I: Inspection and Palpation01:29

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In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
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Skeleton and Calcium Homeostasis01:21

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Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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Chronic Kidney Disease II: Clinical Manifestations01:24

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Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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相关实验视频

Updated: Mar 3, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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在初级甲状腺功能过强症中,指甲毛细血管变化.

Ahmet Ozcan1, Hakan Korkmaz1, Rahime Cankat Gurel2

  • 1Department of Internal Medicine, Division of Endocrinology, Faculty of Medicine, Suleyman Demirel University, Isparta, Türkiye.

Clinical endocrinology
|March 2, 2026
PubMed
概括
此摘要是机器生成的。

患有原发性甲状腺功能增强症 (PHPT) 的患者表现出显著的指甲毛细血管变化. 这些微血管变化与副荷尔蒙 (PTH) 和水平有关,这表明PHPT会影响周围循环.

关键词:
毛细管显微镜 (capillaroscopy) 是一种毛细管显微镜.皮肤显微镜 (dermatoscopy) 是一种可以检查皮肤的方法.微循环是一种微循环.原发性副甲状腺功能障碍症.

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Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation
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科学领域:

  • 内分泌学 在内分泌学.
  • 血管生物学 血管生物学
  • 皮肤病学 皮肤病学

背景情况:

  • 原发性偏甲状腺症 (PHPT) 是一种常见的内分泌疾病.
  • 心血管并发症在PHPT中得到识别.
  • 在PHPT中,对外周微循环的变化不太了解.

研究的目的:

  • 评估PHPT患者的指甲毛细血管形态.
  • 调查毛细血管变化与血清偏激素 (PTH) 和水平之间的关联.

主要方法:

  • 这是一项涉及62名PHPT患者和34名对照者的横截面研究.
  • 数字皮肤镜用于指甲毛细血管评估.
  • 测量血清中,PTH和其他生物化学标记物的水平.

主要成果:

  • 在PHPT患者中,指甲毛细血管的轻微形态变化 (MiMC) 的患病率和得分显著增加.
  • 血管面积得分 (AAS) 与PTH,和年龄正相关.
  • 血清独立地与MiMC相关;PTH和年龄独立地影响了AAS.

结论:

  • 在PHPT患者的指甲毛细血管中存在微血管变化.
  • 在毛细血管水平上,PHPT可能会影响外周微循环.
  • 这些发现扩大了对PHPT除了心血管参与之外的系统性影响的理解.