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Related Concept Videos

The Parathyroid Glands00:59

The Parathyroid Glands

5.5K
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...
4.0K
Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

6.3K
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.
6.3K
Bone Remodeling01:40

Bone Remodeling

40.7K
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
40.7K
Synthesis and Functions of Calcitonin00:51

Synthesis and Functions of Calcitonin

4.9K
Calcitonin, a vital polypeptide hormone, regulates calcium levels within body fluids. It is released by the parafollicular cells, also known as C cells, situated in the follicular epithelium of the thyroid gland. Calcitonin responds to fluctuations in blood calcium levels and the influence of gastrointestinal hormones like gastrin and cholecystokinin.
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...
4.9K
Major Hormones and Their Functions01:27

Major Hormones and Their Functions

2.2K
Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and...
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Related Experiment Video

Updated: Mar 1, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
03:57

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

Published on: July 14, 2023

2.4K

Hyperparathyroidism.

Orlo H Clark1

  • 1Mount Zion Medical Center and Professor of Surgery, UCSF School of Medicine, San Francisco, California.

Surgical Technology International
|June 6, 2017
PubMed
Summary
This summary is machine-generated.

Primary hyperparathyroidism is common, often presenting with subtle symptoms like fatigue. Parathyroidectomy significantly improves or resolves these symptoms in most patients.

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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

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

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Related Experiment Videos

Last Updated: Mar 1, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

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

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Area of Science:

  • Endocrinology
  • Neurosurgery

Background:

  • Primary hyperparathyroidism (PHP) is increasingly diagnosed, affecting approximately 100,000 new cases annually in the US.
  • Many PHP patients present with minimal hypercalcemia and non-classic symptoms, complicating preoperative assessment.
  • Classic PHP manifestations like kidney stones and osteitis fibrosa cystica are less common in current diagnoses.

Purpose of the Study:

  • To evaluate the impact of parathyroidectomy on common, non-classic symptoms of primary hyperparathyroidism.
  • To determine the preoperative-to-postoperative symptom resolution rate in PHP patients.

Main Methods:

  • Retrospective analysis of primary hyperparathyroidism patient data.
  • Assessment of symptom prevalence and resolution following parathyroidectomy.

Main Results:

  • Approximately 80% of patients experienced improvement or complete resolution of preoperative symptoms after parathyroidectomy.
  • Commonly reported preoperative symptoms included fatigue, lethargy, muscular weakness, bone/joint pain, and depression.

Conclusions:

  • Parathyroidectomy is an effective treatment for improving or resolving a wide range of symptoms in primary hyperparathyroidism patients.
  • Surgical intervention should be considered for symptomatic primary hyperparathyroidism, even with minimal hypercalcemia.