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Myoendocrine-like cells in invertebrates: occurrence of noncardiac striated secretory-like myocytes in the gut of the ant Formica polyctena.

Abstract：

:The occurrence of myoendocrine-like cells investing the ampullar draining region of Malpighian tubules and neighboring midgut and hindgut regions of the ant Formica polyctena is reported. These striated muscle cells show small electron-dense endocrine-like granules (130 +/- 0.95 nm) in addition to myofilaments and ordinary organules of the myocytes. Apart from their contractile function, such ultrastructural features suggest a regulatory role for these cells, as is the case of vertebrate myoendocrine cells. As far as we know, the ant secretory myocytes reported here constitute the first description of myoendocrine cells among invertebrates, as well as the first report of secretory, striated muscle cells outside the heart in the animal kingdom.

journal_name

Gen Comp Endocrinol

journal_title

General and comparative endocrinology

authors

Garayoa M,Villaro AC,Sesma P

doi

10.1006/gcen.1994.1110

subject

Has Abstract

pub_date

1994-07-01 00:00:00

pages

133-42

issue

1

eissn

0016-6480

issn

1095-6840

pii

S0016-6480(84)71110-5

journal_volume

95

pub_type

杂志文章

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