Recovery, growth and development of Macroorchis spinulosus in albino rats
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The developmental features, growth and organogenesis of Macroorchis spinulosus wereobserved in albino rats. Globular and thick walled metacercariae, possessed a stylet, Y-shaped excretorybladder and extracecal testes. In albino rats, M. spinulosus showed habitat shifting. The majority of M.spinulosus reside in the jejunum for the first four days post infection (p.i.) and migrate to the duodenum at thelater stage of infection. M. spinulosus grew rapidly during the first four days and reached full maturity at 14days p.i. and later reduced in size. The ovary was separated from the genital primodium at one day p.i. Theseminal vesicle appeared on the third day and divided into two sacs on the fourth day p.i. and intrauterineeggs and sperm mass were produced on the fourth day. Organogenesis and enlargement of reproductiveorgans governed the growth of M. spinulosus. The similarity of related species of the genus Macroorchisto M.spinulosus was discussed in consideration to developmental features.
Abstract
The developmental features, growth and organogenesis of Macroorchis spinulosus wereobserved in albino rats. Globular and thick walled metacercariae, possessed a stylet, Y-shaped excretorybladder and extracecal testes. In albino rats, M. spinulosus showed habitat shifting. The majority of M.spinulosus reside in the jejunum for the first four days post infection (p.i.) and migrate to the duodenum at thelater stage of infection. M. spinulosus grew rapidly during the first four days and reached full maturity at 14days p.i. and later reduced in size. The ovary was separated from the genital primodium at one day p.i. Theseminal vesicle appeared on the third day and divided into two sacs on the fourth day p.i. and intrauterineeggs and sperm mass were produced on the fourth day. Organogenesis and enlargement of reproductiveorgans governed the growth of M. spinulosus. The similarity of related species of the genus Macroorchisto M.spinulosus was discussed in consideration to developmental features.