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protostome
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pro•to•stome
(prō
′
tə stōm′),
USA pronunciation
n.
[
Zool.
]
Zoology
any member of the lower invertebrate phyla in which the mouth appears before the anus during development, cleavage is spiral and determinate, and the coelom forms as a splitting of the mesoderm. Cf.
deuterostome.
proto
- + -
stome
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maidish
maidishness
maid marian
maid of honor
maid of honour
maid of orléans
maidservant
maidstone
maidu
maiduguri
maieutic
maigre
maihem
maikop
mail
mailability
mailable
mailbag
mailboat
mail bomb
mailbox
mail car
mail carrier
mailcatcher
mail-cheeked
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更新时间:2026/10/8 0:19:42