title: Ultrastructural characteristics and innervation of the pineal organ of the Antarctic seal Leptonychotes weddelli.
mesh_terms: D000818:Animals; D001369:Axons / Q000166:cytology; D010872:Caniformia / Q000033:anatomy & histology*; D003239:Connective Tissue Cells; D003594:Cytoplasmic Granules; D003896:Desmosomes; D004721:Endoplasmic Reticulum; D008854:Microscopy, Electron; D009411:Nerve Endings; D009457:Neuroglia / Q000166:cytology; D010870:Pineal Gland / Q000166:cytology* / Q000294:innervation; D013569:Synapses / Q000166:cytology