. Anatomy, descriptive and applied. Anatomy. 1440 THE DVCrLESS GLANDS Structure.—The structure of the parathyroids is different frora that of the thyroid. They are composed of groups of epithehal ceils arranged in a chain-Iilie fasliion with numerous inter- vening capillaries. There is a certain type of cell, but the form varies. These variations result from changes due to episodes of rest and activity (Verebely). MacCallum's studies seem to lead to the same conclusion. Thomson' states that he finds only one type of cell in the infant gland, and that in the adult there is primarily but one typ
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. Anatomy, descriptive and applied. Anatomy. 1440 THE DVCrLESS GLANDS Structure.—The structure of the parathyroids is different frora that of the thyroid. They are composed of groups of epithehal ceils arranged in a chain-Iilie fasliion with numerous inter- vening capillaries. There is a certain type of cell, but the form varies. These variations result from changes due to episodes of rest and activity (Verebely). MacCallum's studies seem to lead to the same conclusion. Thomson' states that he finds only one type of cell in the infant gland, and that in the adult there is primarily but one typ