caecum

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caecum

(US), cecum
Anatomy any structure or part that ends in a blind sac or pouch, esp the pouch that marks the beginning of the large intestine

caecum

[′sē·kəm]
(anatomy)
References in periodicals archive ?
The oesophagus (middle portion), stomach (anterior and posterior) and liver were cross-sectioned, whereas the pyloric caeca and intestine were sectioned longitudinally.
A long and wide oesophagus bifurcates to two intestinal caeca over anterior to seminal vesicle, extending posteriorly to the lateral margins at the level of acetabulum.
Anterior projections of the midgut, sometimes described as gastric caeca, are only found in Euphasmatodea and often obscure the proventricuius.
Caecal bifurcation pre-acetabular closer to oral sucker than to acetabulum, forming caecal shoulders before beginning descent from acetabular level; posteriorly caeca thick-walled, with short diverticula on median and lateral sides terminating just above excretory bladder (Fig.
Detail of the posterior midgut (Pm) and gastric caeca (C) transition.
Diagnosis: Epigonus marisrubri is distinguished from its congeners by the following combination of characters: dorsal-fin rays VII + I,10; anal-fin rays II,9; pectoral-fin rays 18; pored lateral line scales 48 or 49; gill rakers 10+19-20; pyloric caeca 10; vertebrae 10 + 15; 2 pterygiophores between neural spines 9 and 10; pectoral fins long, reaching level of second dorsal-fin origin; caudal fin forked; tongue with a band of 2-4 rows of densely-set teeth on glossohyal; opercle with short, poorly ossified spine and 1-2 small spinelets; otolith oval, elongate, sulcus and cristae weakly developed.