{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,6,10]],"date-time":"2024-06-10T07:52:42Z","timestamp":1718005962250},"reference-count":76,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2005,2,3]],"date-time":"2005-02-03T00:00:00Z","timestamp":1107388800000},"content-version":"vor","delay-in-days":5787,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am. J. Anat."],"published-print":{"date-parts":[[1989,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The manatee kidney is com posed of several closely apposed lobes. These are formed by cortical folds (plicae corticales) that completely isolate the medullae, except where the medullae of adjacent lobes are partially fused. The cortex is continuous; its folds usually are separated, but only partially, by interlobar septa ex tending from the renal capsule. The cortex makes up \u223c57% of renal mass in adults and 68% in the calf. There are about 3 million glomeruli per kidney. The average is somewhat less than that expected of an adult eutherian of equal mass. The glomeruli, however, are large; they form 7.38%\u00b11.33 of cortical mass, which is above that for at least ten unrelated adult eutherians. The number of glomeruli per gram of cortex is considerably greater in the calf than in the adult.<\/jats:p><jats:p>The medullae are about 43% of renal mass. The cortico\u2010medullary thickness ratio is 0.08 to 0.24. All terminal collecting ducts open at a crater (cra\u2010tera cribrosa) of varying depth. Hair\u2010pin loops occur at all levels of medulla, and apparently all loops bend at their thick segment. Cortical loops occur in the medullary rays. Vascular bundles were evident at the cortico\u2010medullary border and thin tubules extended into the medulla from the central ends of the medullary rays (cortical) in seven out of the nine kidneys. The renal pelvis is separated from the central ends of the cortical folds by delicate fascia through which pass the interlobar vessels. There are no fornices and no infundibula. The collagenous tissue of the pelvic wall extends across most of the pelvic surface of the outer medulla.<\/jats:p>","DOI":"10.1002\/aja.1001840403","type":"journal-article","created":{"date-parts":[[2005,2,26]],"date-time":"2005-02-26T16:57:22Z","timestamp":1109437042000},"page":"269-286","source":"Crossref","is-referenced-by-count":22,"title":["Renal anatomy of the manatee, <i>Trichechus manatus<\/i>, linnaeus"],"prefix":"10.1002","volume":"184","author":[{"given":"N. S. 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