Definition of proctodeum in English:

proctodeum

(also proctodaeum)

noun ˌprɒktə(ʊ)ˈdiːəm

Embryology Zoology

The posterior portion of the alimentary canal, especially in an embryo (in which it occurs as an invagination of the epiblast or ectoderm); specifically the hindgut of an insect or other arthropod.

Origin

Late 19th century; earliest use found in Ray Lankester (1847–1929), zoologist. From procto- + ancient Greek ὁδαῖος that is on or by the road (in ancient Greek only in ὁδαῖα freight, merchandise; in Byzantine Greek designating the god Hermes, to whom statues were set up by the roadside; from ὁδός way + -αῖος, suffix forming adjectives) + -um, after Latin nouns in -um; compare quot. 1876.

Definition of proctodeum in US English:

proctodeum

(also proctodaeum)

nounˌprɒktə(ʊ)ˈdiːəm

Embryology Zoology

The posterior portion of the alimentary canal, especially in an embryo (in which it occurs as an invagination of the epiblast or ectoderm); specifically the hindgut of an insect or other arthropod.

Origin

Late 19th century; earliest use found in Ray Lankester (1847–1929), zoologist. From procto- + ancient Greek ὁδαῖος that is on or by the road (in ancient Greek only in ὁδαῖα freight, merchandise; in Byzantine Greek designating the god Hermes, to whom statues were set up by the roadside; from ὁδός way + -αῖος, suffix forming adjectives) + -um, after Latin nouns in -um; compare quot. 1876.

单词	proctodeum
释义	Definition of proctodeum in English: proctodeum (also proctodaeum) noun ˌprɒktə(ʊ)ˈdiːəm Embryology Zoology The posterior portion of the alimentary canal, especially in an embryo (in which it occurs as an invagination of the epiblast or ectoderm); specifically the hindgut of an insect or other arthropod. Origin Late 19th century; earliest use found in Ray Lankester (1847–1929), zoologist. From procto- + ancient Greek ὁδαῖος that is on or by the road (in ancient Greek only in ὁδαῖα freight, merchandise; in Byzantine Greek designating the god Hermes, to whom statues were set up by the roadside; from ὁδός way + -αῖος, suffix forming adjectives) + -um, after Latin nouns in -um; compare quot. 1876. Definition of proctodeum in US English: proctodeum (also proctodaeum) nounˌprɒktə(ʊ)ˈdiːəm Embryology Zoology The posterior portion of the alimentary canal, especially in an embryo (in which it occurs as an invagination of the epiblast or ectoderm); specifically the hindgut of an insect or other arthropod. Origin Late 19th century; earliest use found in Ray Lankester (1847–1929), zoologist. From procto- + ancient Greek ὁδαῖος that is on or by the road (in ancient Greek only in ὁδαῖα freight, merchandise; in Byzantine Greek designating the god Hermes, to whom statues were set up by the roadside; from ὁδός way + -αῖος, suffix forming adjectives) + -um, after Latin nouns in -um; compare quot. 1876.
随便看	inch (one's way) in chorus inch-perfect in churches narthex inchworm inchworms incidence incidences incidency incident incidental incidental damages incidental expenses incidentality incidentally incidentally incidental music incidentalness incidental remark incidentals incidentals incidentals incidental to incidental to incidented