Results 1 to 10 of about 955 (100)

Species composition of parasites Rana temporaria Linnaeus, 1758 (Amphibia: Ranidae) in the vicinity of the Visim State Nature Biosphere Reserve [PDF]

open access: yesРоссийский паразитологический журнал, 2021
The purpose of the research is to study the parasite fauna of the common frog (Rana temporaria Linnaeus, 1758) inhabiting the vicinity of the Visim Nature Biosphere Reserve.Materials and methods.
A. V. Burakova, E. A. Malkova
doaj   +5 more sources

Xác định sự hiện diện của mầm bệnh ký sinh trùng và vi khuẩn trên ếch Thái Lan (Rana sp.) bị bệnh trương bụng [PDF]

open access: yesTạp chí Khoa học Đại học Cần Thơ, 2022
Nghiên cứu được tiến hành nhằm tìm hiểu mầm bệnh ký sinh trùng và vi khuẩn ký sinh trên ếch (Rana sp.) bị bệnh trương bụng. Kết quả kiểm tra 110 mẫu ếch thu tại Đồng Tháp từ tháng 4/2021 đến 02/2022 cho thấy ếch bệnh thường nhiễm 9 loài trùng lông gồm ...
Nguyễn Thị Thu Hằng   +2 more
doaj   +4 more sources

Opalina Ranarum A Flagellate [PDF]

open access: yesNature, 1925
MINCHIN, in his well-known volume, “An Introduction to the Study of the Protozoa”, 1912, states that the species of the genus Opalina differ in certain peculiarities of structure and life history from all other ciliates. The life history has been studied by Metcalf and Neresheimer, whose accounts agree as regards the general life history, but differ in
J. BRONTË GATENBY, S. D. KING
openaire   +2 more sources

Die Vitalfärbung von Opalina ranarum mit Säurefarbstoffen und ihre Beeinflussung durch Narkoticum [PDF]

open access: yesPflügers Archiv für die Gesamte Physiologie des Menschen und der Tiere, 1922
Opalinen farben sich mit diamylaminunloslichen Saurefarbstoffen au\erhalb des Froschdarmes in Ringerlosung nur bei Zusatzen von bestimmten organischen Substanzen. Hierfur kommen wahrscheinlich Eiwei\ oder eiwei\ahnliche Korper in Betracht.Die erwahnte Farbung ist durch Narkoticum vollstandig zu hemmen.
W. Hertz
openaire   +2 more sources

The bank of swimming organisms at the micron scale (BOSO-Micro). [PDF]

open access: yesPLoS One, 2021
Unicellular microscopic organisms living in aqueous environments outnumber all other creatures on Earth. A large proportion of them are able to self-propel in fluids with a vast diversity of swimming gaits and motility patterns.
Velho Rodrigues MF, Lisicki M, Lauga E.
europepmc   +7 more sources

Swimming eukaryotic microorganisms exhibit a universal speed distribution. [PDF]

open access: yesElife, 2019
One approach to quantifying biological diversity consists of characterizing the statistical distribution of specific properties of a taxonomic group or habitat. Microorganisms living in fluid environments, and for whom motility is key, exploit propulsion
Lisicki M   +3 more
europepmc   +4 more sources

Endocrine Control of Sexual Reproduction in Opalina ranarum Parasitic in Rana temporaria

open access: yesNature, 1960
IT is well known that opalinids parasitizing the recta of Amphibia multiply asexually by binary fission during most of the year. During the breeding season, however, the reproductive pattern changes to a sexual one, the preliminary stages of which are marked by an increase in the multiplication-rate and the production of small forms and minute ...
M, EL-MOFTY, J D, SMYTH
openaire   +3 more sources

A Comprehensive Review on Allium Cepa Linn (Onion) [PDF]

open access: yes, 2023
Natural resources have its wide spread throughout this earth surface in various forms like plants. Herbs are always noted to be a wonderful saviour for mankind for treating various diseases and disorders. One of the common household found in all kitchens
Surendra Kumar M, Abubakkar S, Ambiga K, Gowdham R, Kowsalya R, Sudharsan Jp, Astalakshmi N.
core   +2 more sources

Binary fission and encystation of Opalina sp. in axenic medium [PDF]

open access: yes, 2001
金沢大学理工研究域自然システム学系Opalina sp. were cultivated under an anaerobic condition in the complex medium containing DME/F-12 HAM mixture (Sigma) as a basic medium, and fetal bovine serum and autoclaved rumen fluid as additional components.
Hanamura Kentarou   +1 more
core   +2 more sources

The Contractile Vacuole and Related Structures in Tetrahymena pyriformis * [PDF]

open access: yes, 1964
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/100178/1/j.1550-7408.1964.tb01752.x ...
Bak, Il Jin, Elliott, Alfred M.
core   +1 more source

Home - About - Disclaimer - Privacy