What is the role of the hypothalamus in regulating metabolism through thyroid hormones?
Understand the Problem
The question is asking about the hormonal regulation of metabolism through the hypothalamus and thyroid. It describes the relationship between TRH, TSH, and thyroid hormones, and their effects on metabolism.
Answer
The hypothalamus releases TRH, stimulating TSH release, which boosts thyroid hormone production and metabolism.
The hypothalamus regulates metabolism through thyroid hormones by releasing thyrotropin-releasing hormone (TRH). TRH stimulates the anterior pituitary to release thyroid-stimulating hormone (TSH), which in turn stimulates the thyroid gland to produce thyroid hormones (TH), increasing metabolism.
Answer for screen readers
The hypothalamus regulates metabolism through thyroid hormones by releasing thyrotropin-releasing hormone (TRH). TRH stimulates the anterior pituitary to release thyroid-stimulating hormone (TSH), which in turn stimulates the thyroid gland to produce thyroid hormones (TH), increasing metabolism.
More Information
The hypothalamic-pituitary-thyroid axis is critical for controlling energy balance in the body. It not only affects metabolism but also influences growth and development.
Tips
A common mistake is confusing the roles of TRH and TSH. TRH is released by the hypothalamus, while TSH is released by the pituitary gland.
Sources
- Thyroid Hormone: What It Is & Function - Cleveland Clinic - my.clevelandclinic.org
- Regulation of Thyroid Hormone Levels by Hypothalamic Thyrotropin ... - pubmed.ncbi.nlm.nih.gov
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