esophagus

Anterior part of alimentary canal between pharynx or mouth and stomach or stomodeum. (Syn. oesophagus) [Moore and McCormick, 1969].

(Order Cladocera):

Relatively short and narrow anterior section of digestive tract. From mouth, esophagus curves forward, then upward and backward to more expanded midgut. May be highly elongated in certain predatory water fleas [Stachowitsch, 1992].

(Order Notostraca):

Relatively short, narrow section of digestive tract between mouth and midgut. Directed dorsally, then posteriorly [Stachowitsch, 1992].

(Order Diplostraca):

Relatively short and narrow anterior section of digestive tract. From mouth, esophagus curves forward, then upward and backward to more expanded midgut [Stachowitsch, 1992].

(Order Anostraca):

Relatively short section of digestive tract between mouth and midgut. Directed dorsally, then posteriorly [Stachowitsch, 1992].

(Class Cephalocarida):

Anterior section of digestive tract [Stachowitsch, 1992].

(Order Cumacea):

Short, relatively narrow section of digestive tract between mouth and stomach. (Syn. oesophagus) [Stachowitsch, 1992].

(Order Tanaidacea):

Relatively short section of digestive tract between mouth and stomach [Stachowitsch, 1992].

(Order Decapoda):

Relatively short, narrow, cuticle-lined section of digestive tract between mouth and cardiac stomach [Stachowitsch, 1992].

(Order Amphipoda):

Relatively short, cuticle-lined section of digestive tract between mouth and stomach. Esophagus and stomach together form foregut [Stachowitsch, 1992].

(Order Isopoda):

Foregut [Stachowitsch, 1992].

(Order Mysida):

Relatively short section of digestive tract between mouth and stomach. May be lined internally with posteriorly directed spines [Stachowitsch, 1992].

(Order Leptostraca):

Short, cuticle-lined section of digestive tract between mouth and stomach. Esophagus and stomach form foregut [Stachowitsch, 1992].

(Subclass Branchiura):

Section of digestive tract between mouth and midgut; partially contained within proboscis. (See also foregut) [Stachowitsch, 1992].

(Subclass Cirripedia):

Muscular, cuticle-lined, and relatively narrow section of digestive tract between mouth and midgut [Stachowitsch, 1992].

(Subclass Copepoda):

Narrow section fo digestive tract between mouth and stomach; cuticle-lined, muscular, and basically corresponding to foregut [Stachowitsch, 1992].

(Subclass Mystacocarida):

Anterior section of foregut (stomodeum). From mouth, esophagus curves forward, then upward and backward. Surrounded laterally by posterior part of brain (tritocerebrum and esophageal connectives). May refer to entire foregut [Stachowitsch, 1992].

(Class Ostracoda):

Narrow, muscular section of digestive tract between mouth and midgut. Cuticle-lined and occasionally armed with ridges or modified into gastric mill. (See also foregut) [Stachowitsch, 1992].

(Superorder Syncarida):

In anaspidacean, relatively short, narrow section of digestive tract between mouth and stomach [Stachowitsch, 1992].

(Order Thermosbaenacea):

Relatively short, slender section of digestive tract between mouth and stomach [Stachowitsch, 1992].

(Order Euphausiacea):

Short section of digestive tract between mouth and stomach [Stachowitsch, 1992].