Electrophoretic studies on esterases of some African Biomphalaria spp. (Planorbidae) [0.03%]
非洲某些Biomphalaria螺种酯酶的电泳研究
G Wium-Andersen
G Wium-Andersen
J M Skelding
J M Skelding
Review
Malacologia. 1973;14(1-2):93-6. DOI: 1973
Effect of carbonic anhydrase inhibition on shell penetration by the muricid gastropod Urosalpinx cinerea [0.03%]
碳酸酐酶抑制对角质素穿透壳的影响——以Urosalpinx cinerea螺为例
M R Carriker,H H Chauncey
M R Carriker
Embryonic development and organogenesis in the snail Marisa cornuarietis (Mesogastropoda: Ampullariidae). V. Development of the nervous system [0.03%]
螺动物柄足目椎实螺科椎实螺胚胎发育和器官形成第五部分：神经系统发育
E S Demian,F Yousif
E S Demian
The nervous system is ectodermal in origin. All nerve ganglia arise separately by proliferation and later delamination from the ectoderm, not by invagination. They become secondarily connected to one another by commissures and connectives d...
The karyotype of Biomphalaria glabrata, the snail vector of Schistosoma mansoni [0.03%]
人支气管吸虫载体钉螺Biomphalaria glabrata的核型分析
L Raghunathan
L Raghunathan
Karyotyping was done on the mitotic metaphase chromosomes obtained from the embryos of Biomphalaria glabrata. The 18 chromosome pairs were identified and classified into 6 groups. The diploid cell has 10 pairs of metacentric, 4 pairs of sub...
W L Paraense
W L Paraense
A well established natural population of Helisoma duryi (Wetherby) was recently found in central Brazil, where it was introduced probably with aquatic plants conveyed by aquarists. A morphological description based on the observation of 10 ...