hindgut


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hindgut

[′hīn‚gət]
(embryology)
The caudal portion of the embryonic digestive tube in vertebrates.
References in periodicals archive ?
01 0 0 0 0 C n/a n/a 0 0 Time Treatment Integument-- Replicate (hour) (ppm) Midgut Hindgut appendages Shrimp # 1 2 1 2 1 2 0 C (b) 0 0 0 0 0 0 Tank 1 12 (d 10 0 0 0 0 0 0 1 0 0 0 0 0 0 0.
Because of site-specific similarities in histology, immunohistochemistry, and histochemistry, neuroendocrine tumors of the digestive tract have traditionally been subdivided into those of foregut, midgut, and hindgut origin (Table).
In contrast, the ATTD of most nutrients (DM, ash, OM, CHO, and GE) and DE content showed significant differences between two growth stages, which was mainly caused by the effects of hindgut fermentation.
Other possible sources of protein in the feces include those that pass through the gut undigested, such as enzymes and food proteins, and those released into hindgut fluid from ruptured protozoa.
Early embryologic duplication of the hindgut could cause complete duplication of the 2 systems.
By 16 mm, pigment increased along the dorsal surface of the hindgut, the base of the dorsal fin, and the base of the anal fin (Fig.
Primary hindgut carcinoids usually show no secretory activity (20-22).
Wood-feeding termites provide a home for nitrogen-fixing bacteria in their anaerobic hindgut and benefit from the ammonia synthesis because the wood consumed by the termites is low in nitrogen.
It should be noted that hindgut neuroendocrine tumors often do not express appreciable amounts of chromogranin A.
in the cephalothorax, whereas only the hindgut is located in the abdominal part.
By the end of 4 weeks of gestation, the hindgut and future urogenital system reach the surface of the embryo at the cloacal membrane on the ventral surface.
The sigmoid colon and rectum are derived from the hindgut and cloaca.