lancelet 音标拼音: [l'ænslət]
n . 蜗蝓鱼
蜗蝓鱼
lancelet n 1 :
small translucent lancet -
shaped burrowing marine animal ;
primitive forerunner of the vertebrates [
synonym : {
lancelet },
{
amphioxus }]
Lancelet \
Lance "
let \,
n . [
Lance -
let .] (
Zool .)
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 }.
[
1913 Webster ]
Amphioxus \
Am `
phi *
ox "
us \,
n . [
NL .,
fr .
Gr . '
amfi ` ?
sharp .]
(
Zool .)
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 .
[
1913 Webster ]
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