{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T20:37:01Z","timestamp":1791319021707,"version":"4.3.1"},"reference-count":44,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,2,3]],"date-time":"2005-02-03T00:00:00Z","timestamp":1107388800000},"content-version":"vor","delay-in-days":6212,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am. J. Anat."],"published-print":{"date-parts":[[1988,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The type AB pineal body of the common vampire bat, <jats:italic>Desmodus rotundus<\/jats:italic> was recessed and lobulated, was extensively vascularized and intimately related to great veins, and was unassociated with the epithalamic region. The habenular and the posterior commmissures coursed anteriorly and were unassociated with the pineal. The saccular suprapineal recess of the third ventricle extended dorsally juxtaposed to the pineal body. These anatomical features are likely to make pinealectomies in the vampire more difficult to manage.<\/jats:p><jats:p>The pineal parenchyma consisted of light pinealocytes surrounded by canaliculi of various sizes, often transmitting unmyelinated nerve fibers and glial processes. Desmosomes were common. The pinealocyte nuclei were large and highly infolded; characteristic cytoplasmic constituents included abundant dilated Golgi complexes associated with clear vesicles, numerous polyribosomes, few single cisternae of ribosome\u2010studded rough endoplasmic reticulum, mitochondria, and occasional multivesicular bodies and lysosomes. Almost all pinealocytes exhibited centrioles and some, in addition, displayed basal bodies but rarely ciliary shafts. A conspicuous feature of the pinealocyte cytoplasm was the presence of branched bundles of intermediate filaments, especially in the perinuclear zone.<\/jats:p><jats:p>Siderotic macrophages, lipofuscin\u2010pigment\u2010containing phagocytic cells, mast cells, myelin bodies, and both fenestrated and continuous capillaries were present. The perivascular compartment was densely packed with unmyelinated nerve bundles containing small to large fibers exhibiting axoaxonic densities. Other constituents of the perivascular compartment were club\u2010shaped pinealocyte processes filled with clear vesicles, microtubules, an occasional mitochondrion, glial processes, and collagen fibers. \u201cSynapselike\u201d contacts were observed between the axons and pinealocyte processes. Abundant pinocytotic vesicles in the capillary endothelium indicated active pinocytosis. Myelinated nerve fibers were lacking. The pineal ultrastructure of <jats:italic>Desmodus<\/jats:italic> is in part unlike that reported for other mammals, including bats.<\/jats:p>","DOI":"10.1002\/aja.1001810206","type":"journal-article","created":{"date-parts":[[2005,2,27]],"date-time":"2005-02-27T02:50:57Z","timestamp":1109472657000},"page":"163-178","source":"Crossref","is-referenced-by-count":14,"title":["Ultrastructure of the pineal body of the common vampire bat, <i>Desmodus rotundus<\/i>"],"prefix":"10.1002","volume":"181","author":[{"given":"Kunwar P.","family":"Bhatnagar","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2005,2,3]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"309","volume-title":"Handbuch der Mikroskopischen Anatomie des Menschen","author":"Bargmunn W.","year":"1943"},{"key":"e_1_2_1_3_1","volume-title":"Natural History of the Vampire Bats","author":"Bhatnagar K. 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