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Fig. 1 | Frontiers in Zoology

Fig. 1

From: Does the frontal sensory organ in adults of the hoplonemertean Quasitetrastemma stimpsoni originate from the larval apical organ?

Fig. 1

Light (a, b) and transmission electron (c) micrographs of sample sections, highlighting features of the epidermis in 36 h post-fertilization (hpf) larvae of Quasitetrastemma stimpsoni. a Panoramic view showing a larva. b The larval anterior tip with apical ciliary tuft (arrow) and apical plate (ap) positioned between the glandular cells (asterisks) of the frontal gland rudiment. c Panoramic view showing apical plate (ap) and the rudiment of frontal gland (black asterisks). The nuclei (white asterisks) of the multiciliated cells of the apical plate (ap). Abbreviations: ap–apical plate, tep–transitory epidermis

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Frontiers in Zoology

ISSN: 1742-9994