Fig. 3
The naso-palatal complex in the brown anole at stage 6. A Ventral view of the palate. B Transverse cutaway through the snout at the level of the nasal plug (left) and transverse histological section through the nasal plug (right); the level of the section (cutaway) shown in Fig. A. C Anterior view of the semi-transparent snout. C′ Zoomed anterior view of the left nasal pit. C″ Zoomed anterior view of the left nasal pit rendered with partial opacity. D Sagittal cutaway of the semi-transparent snout showing the medial view of the left nasal pit. D’ Zoomed medial view of the left nasal pit rendered with partial opacity. Abbreviations: a anterior, e eye, ecs primordial extraconchal space, lnc primordial lateral nasal concha, lnp lateral nasal prominence, mnp medial nasal prominence, mxp maxillary prominence, np nasal plug, oe sensory olfactory epithelium, on olfactory nerve, pct primitive choanal tube, pn primitive naris, Stt primordial Stammteil, tel telencephalon. Red star primordium of the vomerine cushion, yellow star primordium of the anterior segment of the palate, white asterisk anterior part of the maxillary prominence, red arrowhead nasolacrimal groove, white arrowhead furrow between the medial nasal prominences. Note: italicized label on 3D image (lnc) indicates the concavity in the nasal pit. Scale bars 200 μm (3D) and 20 μm (histological section)