Search the Dictionary

Same as Tunicle.

One of the Tunicata.

rmerly classed with acephalous mollusks. The body is usually covered with a firm external tunic, consisting in part of cellulose, and having two openings, one for the entrance and one for the exit of water. The pharynx is usually dilated in the form of a sac, pierced by several series of ciliated slits, and serves as a…

One of the Tunicata.

Covered with a tunic; covered or coated with layers; as, a tunicated bulb.

Animal cellulose; a substance present in the mantle, or tunic, of the Tunicates, which resembles, or is identical with, the cellulose of the vegetable kingdom.

A slight natural covering; an integument. The tunicles that make the ball or apple of the eye. Holland.

As seen from Neptune, or having Neptune as a center; as, Neptunicentric longitude or force.

oysters; -- so called because they have no evident head. Formerly the group included the Tunicata, Brachiopoda, and sometimes the Bryozoa. See Mollusca.

A narrow stripe of purple worn by the equites on each side of the tunic as a sign of rank.

A genus of small free-swimming Tunicata, shaped somewhat like a tadpole, and remarkable for resemblances to the larvæ of other Tunicata. It is the type of the order Copelata or Larvalia. See Illustration in Appendix.

One of the Ascidioidea, or in a more general sense, one of the Tunicata. Also as an adj.

A group of Tunicata, often shaped like a two-necked bottle. The group includes, social, and compound species. The gill is a netlike structure within the oral aperture. The integument is usually leathery in texture. See Illustration in Appendix.

of the known species. It is sometimes used as a name for the Ascidioidea, or for all the Tunicata.

y wood, linen, paper, etc. It is also found to a slight extent in certain animals, as the tunicates. It is a carbohydrate, (C6H10O5)n, isomeric with starch, and is convertible into starches and sugars by the action of heat and acids. When pure, it is a white amorphous mass. See Starch, Granulose, Lignin. Unsized, well…

A comprehensive division of animals including all Vertebrata together with the Tunicata, or all those having a dorsal nervous cord.

The division of Tunicata which includes the Salpæ. See Salpa.

e must do on the armor of God. Latimer. Then Jason rose and did on him a fair Blue woolen tunic. W. Morris (Jason). Though the former legal pollution be now done off, yet there is a spiritual contagion in idolatry as much to be shunned. Milton. It ["Pilgrim's Progress"] has been done into verse: it has been done into m…

A genus of freeswimming oceanic tunicates, allied to Salpa, and having alternate generations.

A fold of the endoderm, which projects into the blood cavity of ascidians. See Tunicata.