Morphometry, topography and arterial supply of the thyroid gland in rhesus monkeys (Macaca mulatta Zimmermann, 1780)
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Summary
This summary is machine-generated.This study details the thyroid gland
Area Of Science
- Comparative anatomy
- Primate research
- Endocrinology
Background
- The thyroid gland is crucial for metabolism and development.
- Understanding thyroid anatomy in non-human primates aids comparative studies.
- Macaca mulatta (rhesus monkeys) serve as important models in biomedical research.
Purpose Of The Study
- To investigate the morphometric measurements, topographical anatomy, and vascular supply of the thyroid gland in Macaca mulatta.
- To establish baseline anatomical data for the rhesus monkey thyroid.
- To provide insights for comparative endocrinology and research involving primate models.
Main Methods
- Dissection of ten adult male Macaca mulatta cadavers.
- Detailed measurement of thyroid lobe dimensions (length, width, thickness).
- Analysis of gland topography relative to adjacent structures (trachea, cartilages) and vascularization patterns.
Main Results
- No significant morphometric differences were observed between the left and right thyroid lobes.
- The thyroid gland was consistently located ventrolateral to the trachea.
- Cranial thyroid arteries originated from the external carotid, and caudal arteries from the common carotid arteries.
Conclusions
- The thyroid gland in Macaca mulatta exhibits consistent anatomical features relevant to its function.
- Findings contribute valuable data for comparative anatomy and research on thyroid physiology in primates.
- This research supports the use of Macaca mulatta as a model for studying thyroid gland function and pathology.
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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
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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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