. The anatomy of the domestic animals. Veterinary anatomy. THE ADRENAL BODIES 563 THE ADRENAL BODffiS The adrenal bodies or glands (Glandulte adrenales)^ are two small, flattened organs, which lie in contact witli the anterior part of the medial borrler of the kidneys (Figs. 496, 497). They are ductless. In the horse they are red-bro\vTi in color, about three and a half to four inches (ca. 9 to 10 cm.) long, one to one and a half inches (ca. 3 to 4 cm.) wddc, and about half an inch or more (ca. cm.) in thickness. The weiglit varies from one to two ounces (ca. 28 to 56 gm.). The right adren
. The anatomy of the domestic animals. Veterinary anatomy. THE ADRENAL BODIES 563 THE ADRENAL BODffiS The adrenal bodies or glands (Glandulte adrenales)^ are two small, flattened organs, which lie in contact witli the anterior part of the medial borrler of the kidneys (Figs. 496, 497). They are ductless. In the horse they are red-bro\vTi in color, about three and a half to four inches (ca. 9 to 10 cm.) long, one to one and a half inches (ca. 3 to 4 cm.) wddc, and about half an inch or more (ca. cm.) in thickness. The weiglit varies from one to two ounces (ca. 28 to 56 gm.). The right adrenal body is related medially to the posterior vena cava, to which it is adherent. Its anterior part curves dorsally around the mecHal border of the right kidney. Its posterior part is flattened and is related ventrally to the pancreas and caecum, dorsally to the right renal vessels. The anterior extremity is con- cealed in the renal impression of the liver; the posterior is related to the ureter. The left adrenal body is a little shorter than the right one, and its extremities are rounded; it is usually curved, so that its medial border partly embraces the anterior mesenteric artery. Its dorsal surface is related to the kidney, the renal artery, the aorta, and the left cceliaco-mesenteric ganglion. The ventral surface is in relation -with the left extremity of the pancreas and the root of the great mesentery. The posterior extremity often curves inward behind the anterior mesenteric artery; it is related behind to the left renal vein. When hardened in situ the adrenals present several features not evident in the soft organs. The anterior pai't of the right adrenal is twisted dorso-laterally over the medial margin of the kidney, so that this part is prismatic and has three surfaces; of these, the concave lateral one is applied to the kidney, the dorsal one is related to the right cms of the diaphragm and the liver, and the medial one is in contact with the posterior vena cava. Th
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