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Resembling an amoeba; amoeba-shaped; changing in shape like an amoeba. Amoeboid movement, movement produced, as in the amoeba, by successive processes of prolongation and retraction.

gure, formed in mitotic cell-division, consisting of two asters connected by a spindle-shaped bundle of rodlike fibers diverging from each aster, and called the spindle.

Any membranous bag shaped like a leathern bottle, as the dilated end of a vessel or duct; especially the dilations of the semicircular canals of the ear.

Like a bottle or inflated bladder; bottle-shaped; swelling. Kirby. Ampullaceous sac (Zoöl.), one of the peculiar cavities in the tissues of sponges, containing the zooidal cells.

Having an ampulla; flask-shaped; bellied.

Flask-shaped; dilated.

Almond-shaped.

A journey or expedition up from the coast, like that of the younger Cyrus into Central Asia, described by Xenophon in his work called "The Anabasis." The anabasis of Napoleon. De Quincey.

inging back, as the bottom of an anaclastic glass. Anaclastic glass, a glass or phial, shaped like an inverted funnel, and with a very thin convex bottom. By sucking out a little air, the bottom springs into a concave form with a smart crack; and by breathing or blowing gently into the orifice, the bottom, with a like…

The division of Vertebrata in which no allantois is developed. It includes amphibians, fishes, and lower forms.

p, or even in the same group; as, the gill of a fish is the analogue of a lung in a quadruped, although the two are not of like structural relations.

An animal of the barnacle tribe, of the genus Lepas, having a fleshy stem or peduncle; a goose barnacle. See Cirripedia.

One of the anchor-shaped spicules of certain sponges; also, one of the calcareous spinules of certain Holothurians, as in species of Synapta. Anchor ice. See under Ice. -- Anchor ring. (Math.) Same as Annulus, 2 (b). -- Anchor stock (Naut.), the crossbar at the top of the shank at right angles to the arms. -- The an…

Anchor-shaped.

Held by an anchor; at anchor; held safely; as, an anchored bark; also, shaped like an anchor; forked; as, an anchored tongue.

Hook-shaped.

ends on the varying pressure of the atmosphere upon the elastic top of a metallic box (shaped like a watch) from which the air has been exhausted. An index shows the variation of pressure.

Snake-shaped.

Eel-shaped.

mal magnetism. See Magnetism and Mesmerism. -- Animal electricity, the electricity developed in some animals, as the electric eel, torpedo, etc. -- Animal flower (Zoöl.), a name given to certain marine animals resembling a flower, as any species of actinia or sea anemone, and other Anthozoa, hydroids, starfishes, etc…