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Related Concept Videos

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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Bone Remodeling01:40

Bone Remodeling

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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.
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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.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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Hormonal Control of the Ovarian Cycle01:30

Hormonal Control of the Ovarian Cycle

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The ovarian cycle is meticulously regulated by the hypothalamic-pituitary-gonadal axis. This cycle orchestrates the release of a mature oocyte, essential for reproduction.
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle.  At puberty, GnRH secretion increases in both frequency and...
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Hormonal Regulation of the Menstrual Cycle01:22

Hormonal Regulation of the Menstrual Cycle

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The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH...
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Major Hormones and Their Functions01:27

Major Hormones and Their Functions

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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: May 14, 2025

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats
08:56

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats

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Hormonal influence on osteoporosis.

Zuzanna Rupeć1, Mateusz Trubalski2, Zeeshan Zulfiquar1

  • 1STUDENT SCIENTIFIC ASSOCIATION OF THE LABORATORY OF LOCOMOTOR SYSTEMS RESEARCH, MEDICAL UNIVERSITY OF LUBLIN, LUBLIN, POLAND.

Wiadomosci Lekarskie (Warsaw, Poland : 1960)
|April 12, 2025
PubMed
Summary

This review examines how hormones like estrogen and vitamin D affect osteoporosis, a condition weakening bones. Understanding these hormonal influences is key for effective prevention and treatment strategies.

Keywords:
estrogenglucocorticoidsosteoporosisparathormonemenopausethyroid hormones

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Related Experiment Videos

Last Updated: May 14, 2025

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Author Spotlight: Investigating the Relationship Between FSH and Pathophysiological Changes in Perimenopausal Women - Insights from a Mouse Model
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Area of Science:

  • Endocrinology
  • Bone Biology
  • Gerontology

Background:

  • Osteoporosis is a major global health concern, increasing fracture risk, especially in postmenopausal women and the elderly.
  • Hormonal imbalances significantly contribute to bone density loss and fragility.

Purpose of the Study:

  • To review the multifaceted roles of key hormones in osteoporosis pathogenesis.
  • To analyze current therapeutic interventions targeting hormonal pathways for osteoporosis management.

Main Methods:

  • Comprehensive literature review of scientific evidence on hormonal influences in osteoporosis.
  • Analysis of hormonal mechanisms, therapeutic strategies, and their impact on bone health.

Main Results:

  • Estrogen, glucocorticoids, vitamin D, parathyroid hormone, and thyroid hormones critically regulate bone health.
  • Glucocorticoids exacerbate bone porosity; vitamin D deficiency impairs calcium/phosphate metabolism.
  • Hormonal therapies, including SERMs, show promise, but minimizing glucocorticoid impact is crucial.

Conclusions:

  • A complex interplay of hormonal, genetic, and environmental factors underlies osteoporosis.
  • Holistic and personalized treatment approaches are essential for optimal patient outcomes.
  • Further research is needed on hormone-environment interactions and long-term therapy efficacy.