释义 |
pygidiumenUK
py·gid·i·um P0682700 (pī-jĭd′ē-əm)n. pl. py·gid·i·a (-ē-ə) The posterior body region or segment of certain invertebrates. [New Latin, from Greek pugidion, diminutive of pugē, buttocks.] py·gid′i·al (-ē-əl) adj.pygidium (paɪˈdʒɪdɪəm; -ˈɡɪd-) n, pl -ia (-ɪə) (Zoology) the terminal segment, division, or other structure in certain annelids, arthropods, and other invertebrates[C19: from New Latin, from Greek pugē rump] pyˈgidial adjpy•gid•i•um (paɪˈdʒɪd i əm) n., pl. -gid•i•a (-ˈdʒɪd i ə) any of various structures or regions at the caudal end of the body in certain invertebrates. [1840–50; < Greek pȳg(ḗ) rump + -idium] py•gid′i•al, adj.
pygidiumenUK
pygidium[pī′jid·ē·əm] (invertebrate zoology) A caudal shield on the abdomen of some Arthropoda. The terminal body segment of many invertebrates. pygidiumenUK
pygidium (pī-jĭd′ē-əm)n. pl. pygid·ia (-ē-ə) The posterior body region or segment of certain invertebrates. py·gid′i·al (-ē-əl) adj. |