منابع مشابه
The nephridia of Geonemertes dendyi.
/GEONEMERTES DENDYI (Dakin) is a terrestrial nemertine. The \JJ genus has a predominantly Australian distribution, but in recent years this species has been recorded from the western parts of England and Wales (Waterston and Quick, 1937; Pantin, 1944). In this genus the nephridial system is highly developed, and its structure in several species has been described by Hett (1924), Coe (1929), and...
متن کاملThe Study of Nephridia and Genital Ducts
CONTENTS. ARTHROPOD A, p. 303. Pe r ipa t iodea , with Segmental Coelomoducts mostly excretory, p. 305. Crustacea, possibly with remnants of Nephridia, p. 308. Summary, p. 317. Arachnida , p. 318. Chilopoda, Chi lognatha , Symphyla , Insec ta Hexapoda, p. 320. General summary for Arthropoda, p. 322. MOLLUSCA, p. 324. Larval Protonephridia and Adult Coelomic Kidneys and Genital Ducts, p. 325. Re...
متن کاملCollagen of the Earthworms
The problem of the complex configuration of the collagen in the Oligochaeta has not yet been conclusively solved. Since the last century, evidence has been found of a fibrous structure lying above the epidermis (constituting the cuticle) and of another one lying below it (constituting the supporting structures). The cuticle, easily examined by physical and chemical methods, was analyzed minutel...
متن کاملthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Microscale interactions between earthworms and microorganisms: a review
Microorganisms are well adapted to their soil microhabitat where they live together in consortia, interacting with other living members, including earthworms. This literature review consists of four sections that focus on microscale interactions between earthworms and microorganisms. The first part is devoted to nephridia symbiosis. Recent discoveries show that Verminephrobacter spp. is present...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1888
ISSN: 0028-0836,1476-4687
DOI: 10.1038/038197d0