- nasal placode
- olfactory placode an oval area of thickened ectoderm on the ventrolateral surface of the head of the early embryo, constituting the first indication of the olfactory organ.
Medical dictionary. 2011.
nasal placode
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Nasal placode — Latin placoda nasalis, placoda olfactoria Gives rise to olfactory epithelium Code TE E5.3.0.0.0.0.8 The nasal placode (or olfactory placode[1]) gives rise to the olf … Wikipedia
Nasal pit — Head end of human embryo, about the end of the fourth week. Latin fovea nasalis Gray s … Wikipedia
Placode — A placode is an area of thickening in the embryonic epithelial layer where some organ or structure later develops. The term usually refers to cranial placodes, peripheral nervous system structures associated with the special senses and cranial… … Wikipedia
placode — Local thickening in the embryonic ectoderm layer; the cells of the p. ordinarily constitute a primordial group from which a sense organ or ganglion develops. [G. plakodes, fr. plax, anything flat or broad, + eidos, like] auditory placodes SYN:… … Medical dictionary
Medial nasal prominence — Head end of human embryo of about thirty to thirty one days … Wikipedia
olfactory placode — n a thick plate of cells derived from the neural ectoderm in the head region of the vertebrate embryo and developing into the olfactory region of the nasal cavity … Medical dictionary
Embryology — 1 morula, 2 blastula 1 blastula, 2 gastrula with blastopor … Wikipedia
Maxillary prominence — Diagram showing the regions of the adult face and neck related to the fronto nasal process and the branchial arches. (Maxillary process visible at center right.) … Wikipedia
Neurogenic placodes — Latin placodae neurogenicae Code TE E05.15.2.0.0.0.1 A neurogenic placode is an area of thickening in the embryonic epithelial layer where some organ or structure later develops. The term usually refers to cranial placodes, peripheral nervous… … Wikipedia
First pharyngeal arch — First branchial arch Diagram showing the regions of the adult face and neck related to the fronto nasal process and the branchial arches … Wikipedia
