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n.1.(Chem.) A salt of the class formed by the combination of an acid and a base, or by the union of two oxides, two sulphides, selenides, or tellurides, as distinguished from a haloid compound.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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(1) Anterior end of the male, (2) Head of male showing the amphid, (3) Posterior end of male, 4) Posterior end of male showing the spicules laterally, (5) Anterior end of female, (6) Posterior end of female, (7) Vagina.
am = amphid, cp = cephalic papilla, L3 = third-stage larva, p = pore, ps = pseudolabium, sl = sublabia, t = tooth.
Based on their position and morphology, we identified these structures as the ciliated endings of amphid neuron dendrites.
Each lip bearing two cephalic papillae and one amphid. Total length 3.59 [+ or -] 0.65 mm (2.3-4.4) [5.9mm] x 163.3 [+ or -] 22.7.
elegans exhibits both gustatory and olfactory components associated with the amphid sensilla.
Two cephalic papillae and one small amphid present on either side at level of base of pseudolabia.
The amphidial sensillum, or amphid, is an important sensory organ found in all nematodes.
It is believed that nematode amphids have chemoreceptive organs that could be involved in locating hosts (Steiner, 1925).
Mouth terminal and head containing 6 cephalic papillae, no lip papillae, amphids reduced, and 6 hypodermal cords at mid-body.