Definition of Lancelets. Meaning of Lancelets. Synonyms of Lancelets

Here you will find one or more explanations in English for the word Lancelets. Also in the bottom left of the page several parts of wikipedia pages related to the word Lancelets and, of course, Lancelets synonyms and on the right images related to the word Lancelets.

Definition of Lancelets

Lancelet
Lancelet Lance"let, n. [Lance + -let.] (Zo["o]l.) A small fishlike animal (Amphioxus lanceolatus), remarkable for the rudimentary condition of its organs. It is the type of the class Leptocardia. See Amphioxus, Leptocardia.
lancelet
Amphioxus Am`phi*ox"us, n. [NL., fr. Gr. ? + ? sharp.] (Zo["o]l.) A fishlike creature (Amphioxus lanceolatus), two or three inches long, found in temperature seas; -- also called the lancelet. Its body is pointed at both ends. It is the lowest and most generalized of the vertebrates, having neither brain, skull, vertebr[ae], nor red blood. It forms the type of the group Acrania, Leptocardia, etc.

Meaning of Lancelets from wikipedia

- to lancelets, including Pikaia and Cathaymyrus from the Cambrian and Palaeobranchiostoma from the Permian, but their close relationship to lancelets has...
- Chordata Subphylum Cephalochordata (Acraniata) – (lancelets; 30 species) class Leptocardii (lancelets) Clade Olfactores Subphylum Tunicata (Urochordata)...
- Branchiostoma is one of the few living genera of lancelets (order Amphioxiformes). It is the type genus of family Branchiostomatidae. These small vaguely...
- members of the chordate subphyla Tunicata (tunicates) and Cephalochordata (lancelets), but including Myxini, which have cartilaginous crania and tooth-like...
- Branchiostoma lanceolatum, the European lancelet or Mediterranean amphioxus is a lancelet in the subphylum Cephalochordata. It is a marine invertebrate...
- allow for facilitated tail motion when swimming. In cephalochordates (lancelets), the notochord persists throughout life as the main structural support...
- mud lancelet, is a lancelet of the genus Branchiostoma endemic to the Gulf of Mexico, where it is found in the northern part. Like other lancelets in the...
- and inhabits waters off the coasts of China and ****an. In Xiamen, the lancelets inhabiting the waters were originally thought to be of Branchiostoma belcheri...
- simpler tunicates are actually more closely related to vertebrates than lancelets. An embryo of a Florida amphioxus (Branchiostoma floridae) has a larval...
- for lancelets, whose "proto-liver" is homologous). A digestive organ called the hepatic cae**** is found in the cephalochordate amphioxus, or lancelet. The...