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+[[!meta title="Forming a tough shell via an intracellular matrix and cellular junctions in the tail epidermis of Oikopleura dioica (Chordata: Tunicata: Appendicularia)."]]
+[[!tag Oikopleura]]
+
+Nakashima K, Nishino A, Hirose E.
+
+Naturwissenschaften. 2011 Aug;98(8):661-9. doi:10.1007/s00114-011-0815-y
+
+Forming a tough shell via an intracellular matrix and cellular junctions in the tail epidermis of Oikopleura dioica (Chordata: Tunicata: Appendicularia).
+
+[[!pmid 21667277 desc="In larvae, the tail is enclosed in the larval enveloppe.  In adults, the tail fins are made of single triangular epithelial cells attached with tight junctions to the other epitheilal cells covering the tail on the left and right sides.  The muscle cells are attached to the epithelial cells via a basal membrane.  Up and down the notochord, a sinus separates the muscle cells of each side.  In the muscle cells, mitochondria are packed on the exterior side and muscle fibers are on the interior side."]]

diff --git a/tags/Oikopleura.mdwn b/tags/Oikopleura.mdwn
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@@ -169,6 +169,14 @@ Development
    al., 2018|biblio/30217597]]).
 
 
+Anatomy
+-------
+
+ - The adult tail is made of three layers of cells: epithelium, muscle, notochord.
+   The fins of the tail are made from single epithelial cells joining each side with
+   tight junctions ([[Nakashima and coll, 2011|biblio/21667277]]).
+
+
 Physiology
 ----------