[a variant of AMNION, founded upon an erroneous form of the Greek.]
1. Phys. = AMNION.
1657. Phys. Dict., Amnios, the inner skin that compasseth the child round in the womb.
1660. Boyle, New Exp. Phys.-Mech., 374. The upper part of the involving Amnios.
1797. Phil. Trans., LXXXVII. 193. The two membranes the chorion and amnios.
1828. Kirby & Spence, Entomol., IV. xliv. 236. Regarded as fœtuses in their amnios rather than eggs.
1845. Noel, Richters Flower etc. Pieces, II. ix. 43. A little hidden creature, which has passed from the fœtus-slumber into the sleep of death, out of the amnios-skin of this world into the shroud, the amnios-skin of the next.
2. Bot. The fluid that is produced within the sac which receives the embryo-rudiment and engenders it. Treas. Bot., 1866.
1816. Keith, Physiol. Bot., II. 293. The amnios had just made its appearance in the upper region of the chorion.
1830. Lindley, Nat. Syst. Bot., Introd. 33. The amnios always surrounds the embryo in an early state.