Gonad characteristics and reproductive cycle in the acmaeid Collisella subrugosa from Northeastern Brazil were investigated. The individuals were collected monthly from February 1993 to April 1994 at ...

Taxonomy of Ophiuroidea (Echinonermata) from the continental shelf and slope of the southern and southeastern Brazilian coast ...

This study combines extensive published and new datasets to provide a useful single-cell multi-omics analysis of early cardiac lineage segregation, highlighting the mutual regulation of key regulators ...

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Dynamics in metazoan evolution: the origin of the coelom and segments by R. B. Clark Publication date 1964-01-01 Publisher Clarendon Press Collection internetarchivebooks; inlibrary; printdisabled ...

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Dynamics in Metazoan evolution : the origin of the coelom and segments by Clark, R. B. (Robert Bernard), 1923- Publication date 1964 Publisher Oxford : Clarendon P. Collection internetarchivebooks; ...

In vivo administration of acetylcholine into the coelom of H. leucospilota induced ejection of the Cuvierian organ in time- and dose-dependent manners, which could be mimicked by nicotine, an ...

Experts believe that understanding the snake and its behaviour is the first step towards reducing negative human-snake interactions. Radio telemetry enables researchers to study a number of factors ...

A bacteriophage that is used often for E. coli transduction. Genome is a linear double-standed DNA molecule of about 90kb, is terminally redundant, and cyclically permuted. DNA libraries are sometimes ...