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Related Concept Videos

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

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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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Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

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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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Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

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The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
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Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
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Related Experiment Video

Updated: Feb 27, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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Hypothyroidism associated with parathyroid disorders.

Giovanna Mantovani1, Francesca Marta Elli1, Sabrina Corbetta2

  • 1Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Endocrinology Unit, Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.

Best Practice & Research. Clinical Endocrinology & Metabolism
|June 27, 2017
PubMed
Summary
This summary is machine-generated.

Congenital hypothyroidism and hypoparathyroidism often stem from shared genetic causes, leading to low calcium and parathyroid hormone (PTH) levels. Clinical evaluation is key, as routine genetic screening is not advised.

Keywords:
DiGeorge syndromehypoparathyroidismparathyroidpseudohypoparathyroidismthyroid

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Area of Science:

  • Endocrinology
  • Genetics
  • Pediatrics

Background:

  • Hypothyroidism can co-occur with parathyroid disorders, causing hypocalcemia and low parathormone (PTH) secretion.
  • This association often arises from genetic mutations affecting common embryonic development pathways for both thyroid and parathyroid glands.
  • Conditions like 22q11 microdeletion/DiGeorge syndrome frequently link hypothyroidism with hypoparathyroidism, often involving multisystemic issues.

Purpose of the Study:

  • To explore the genetic and etiological links between hypothyroidism and hypoparathyroidism.
  • To describe the clinical presentation and diagnostic considerations for associated hypothyroidism and hypocalcemia.
  • To evaluate the role of genetic screening in diagnosing these combined endocrine disorders.

Main Methods:

  • Review of genetic causes and clinical presentations of associated hypothyroidism and hypoparathyroidism.
  • Analysis of conditions involving shared genetic pathways, autoimmunity, or chronic iron overload.
  • Discussion of diagnostic approaches, emphasizing clinical history and physical examination.

Main Results:

  • Shared genetic defects are a common cause of congenital hypothyroidism with hypoparathyroidism.
  • Hypothyroidism and hypoparathyroidism can result from autoimmune processes or iron overload in specific genetic disorders.
  • Pseudohypoparathyroidism can lead to hypocalcemia due to PTH resistance and hypothyroidism from TSH resistance.

Conclusions:

  • Clinical evaluation, including history and physical exam, is crucial for diagnosing hypothyroidism with hypocalcemia.
  • Routine genetic screening is generally not recommended for patients presenting with hypothyroidism and hypocalcemia.
  • Understanding the diverse etiologies is essential for appropriate patient management.