{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T16:06:11Z","timestamp":1759939571893},"reference-count":55,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2005,2,8]],"date-time":"2005-02-08T00:00:00Z","timestamp":1107820800000},"content-version":"vor","delay-in-days":8561,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Anat. Rec."],"published-print":{"date-parts":[[1981,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Destructive lesions were made in the right olfactory bulb of 16 adult opossums. Following postoperative survival periods of 4 to 31 days, the animals were sacrificed and perfused with 10% Formalin. Frozen sections of the brain were cut in either the coronal, horizontal, or sagittal plane and processed by the Fink\u2010Heimer II method. Degenerating axons of olfactory bulb neurons were traced caudally in the ipsilateral lateral olfactory tract (LOT). Small lesions revealed a topographic representation of the olfactory bulb within the LOT. The dorsal, lateral, and ventral parts of the bulb were, respectively, represented in the dorsal, intermediate, and ventral parts of the LOT. Terminal degeneration was observed in the superficial half of the molecular layer ipsilaterally in the following structures: anterior olfactory nucleus, anterior hippocampal rudiment, olfactory tubercle, piriform cortex, ventrolateral frontal neocortex, lateral entorhinal cortex, nucleus of the LOT, and the lateral aspect of the cortical amygdaloid nucleus. No degeneration was observed in the anterior limb of the anterior commissure. Dorsal and lateral parts of the olfactory bulb projected to the anterolateral aspect of the olfactory tubercle, whereas the ventral part projected heavily to the entire tubercle. There was no evidence of topographic projections to other olfactory structures. The observations of the present investigation indicated that the olfactory bulb projections in the opossum, a primitive mammal, are essentially comparable with those of placental mammals.<\/jats:p>","DOI":"10.1002\/ar.1092010116","type":"journal-article","created":{"date-parts":[[2005,2,26]],"date-time":"2005-02-26T23:55:28Z","timestamp":1109462128000},"page":"141-156","source":"Crossref","is-referenced-by-count":15,"title":["Central connections of the olfactory bulb in the american opossum <i>(didelphys virginiana)<\/i>: A light microscopic degeneration study"],"prefix":"10.1002","volume":"201","author":[{"given":"R. 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