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The parafollicular cells (also called C cells) secrete the hormone calcitonin. Calcitonin is a weak hormone that helps in the regulation of calcium in some animals. In humans, calcitonin has only a minor role in calcium regulation.
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∙ 9y ago
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∙ 14y agoThe parafollicular cells of the thyroid produce calcitonin.
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∙ 9y agocalcitonin. calcitonin.
calcitonin
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∙ 14y agoparathormone
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∙ 14y agoT4 (thyroxine) and T3 (triiodothyronine)
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∙ 14y agoparathyroid hormone
(PTH)
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∙ 8y agoParathormone
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∙ 10y agoParathyroid gland produces parathormone.
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What gland produces calcitonin?
Parafollicular cells of the thyroid gland produce calcitonin.
What thyroid hormone tends to keep calcium in the bone?
An additional hormone produced by the thyroid contributes to the regulation of blood calcium levels. Parafollicular cells produce calcitonin in response to hypercalcemia. Calcitonin stimulates movement of calcium into bone, in opposition to the effects of parathyroid hormone (PTH). However, calcitonin seems far less essential than PTH, as calcium metabolism remains clinically normal after removal of the thyroid, but not the parathyroids.
How are the thyroid and parathyroid glands linked anatomically?
Thyroid glands are located in the neck, in close approximation to the first part of the trachea. In humans, the thyroid gland has a "butterfly" shape, with two lateral lobes that are connected by a narrow section called the isthmus. Most animals, however, have two separate glands on either side of the trachea. Thyroid glands are brownish-red in color.Close examination of a thyroid gland will reveal one or more small, light-colored nodules on or protruding from its surface - these are parathyroid glands (meaning "beside the thyroid").The microscopic structure of the thyroid is quite distinctive. Thyroid epithelial cells - the cells responsible for synthesis of thyroid hormones - are arranged in spheres called thyroid follicles. Follicles are filled with colloid, a proteinaceous depot of thyroid hormone precursor.In addition to thyroid epithelial cells, the thyroid gland houses one other important endocrine cell. Nestled in spaces between thyroid follicles are parafollicular or C cells, which secrete the hormone calcitonin.The structure of a parathyroid gland is distinctly different from a thyroid gland. The cells that synthesize and secrete parathyroid hormone are arranged in rather dense cords or nests around abundant capillaries.
Studies of fat cells and thyroid cells show that fat cells have fewer mitochondria than thyroid cells A biologist would most likely infer that fat tissue?
requires less energy then thyroid tissue
What hormone is needed thyroxine production?
thyroxine is produced in the Thyroid gland
What Hormone is produced or stored by the parafollicular cells of the thyroid?
Calcitonin
Where produces calcitonin?
Parafollicular cells of the thyroid gland
What is the secreted by the parafollicular cells of the thyroid gland?
calcitonin
Where is calcitonin synthesized?
in the parafollicular cells of the thyroid gland
What gland produces calcitonin?
Parafollicular cells of the thyroid gland produce calcitonin.
What is calcitonin stimulated by?
Humoral factors. (the concentration of specific nonhormonal substances in the blood or extracellular fluid.)Calcitonin is produced by the parafollicular cells of the thyroid gland in response to rising blood calcium levels.
What organ secretes calcitonin?
Calcitonin is a 32-amino acid linear polypeptide hormone which is secreted in human beings primarily by the parafollicular cells (also known as C-cells) of the thyroid, it regulates calcium levels in the body
Gland that secretes calcitonin?
The thyroid gland secretes both of these. Thyroxine or T4 is the most prevalent secretion of the thyroid - it is the inactive form of tri-iodothyronine (T3) which is important for regulation of metabolism. T3 and T4 are secreted by the follicular cells. Calcitonin is secreted by the parafollicular cells of the thyroid gland and acts to decrease blood calcium levels.
What glands or organs produces hormones that tend to decrease blood calcium levels?
The thyroid gland has certain cells known as parafollicular cells (AKA C cells) that secrete a hormone known as calcitonin that can decrease blood calcium levels.
What is the effect of thyroid hormones on cells?
The effect of thyroid hormones on the cells of the body is regulation of metabolism of those cells.
What is the protein produced by follicle cells of the thyroid?
thyroglobulin
What cells contain the calcitonin receptor?
C Cells or Follicular cells which are produced by the Epithelial cells that make up the Thyroid.
