Results 161 to 170 of about 6,279 (187)

Echinodermata (Ophiuroidea and Holothuroidea) from Northwest Africa

open access: yes, 2018
Calero, B. (Belén)   +2 more
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A Case of Holothuroidea-like Erythrocytes

Journal of Biomedical Research & Environmental Sciences, 2023
Ektacytometric examination of red blood cells with morphological anomaly is presented. Confocal microscopy of the blood from the patient N. shows the abundance of RBCs in the form of representatives of the Holothuroidea. RBCs from control patients exhibited an elliptical diffraction pattern whereas patient’s N.
Katiukhin LN*, Nikitina ER
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Digestive Systems: Holothuroidea*

2020
This chapter describes the structure of the holothuroid gut and the associated hemal system since the work of Bohadsch on Holothuria tubulosa. Most of the 19th century works were reported in Ludwig. To facilitate the description we will consider no more than three types of 'digestive' coelomocytes: small coelomocytes, 'phagocytes' and granulocytes ...
Jean-Pierre Feral, Claude Massin
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Holothuroidea

Notes for a Short Course: Studies in Geology, 1980
Among the living echinoderms, holothurians are generally regarded as “poor relations” of the other groups. The color and symmetry of sea-stars and the complexity of echinoids usually elicit expressions of admiration from casual observers; the reactions to holothurians usually involves a considerable degree of revulsion.
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Dendrochirotida (Echinodermata: Holothuroidea) from the northeastern coast of Brazil

Zootaxa, 2020
The study presents a review of the Dendrochirotida species from shallow waters of the northeastern coast of Brazil. A total of 1,268 specimens were analyzed and 24 species were recorded, which were classified into 16 genera of Cucumariidae, Psolidae, Phyllophoridae, and Sclerodactylidae. Detailed descriptions and figures of the taxonomic characters are
Jéssica, Prata   +2 more
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Holothuroidea de Blainville 1834

Published as part of Mackenzie, Melanie, Davey, Niki, Burghardt, Ingo & Haines, Margaret L., 2024, A report of sea cucumbers collected on the first dedicated deep-sea biological survey of Australia's Indian Ocean Territories around Christmas and Cocos (Keeling) Islands (Echinodermata: Holothuroidea), pp. 207-316 in Memoirs of Museum Victoria (Mem. Mus.
Mackenzie, Melanie   +3 more
openaire   +1 more source

Studies on actinopodous Holothuroidea

1912
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Sea cucumbers symmetry (Echinodermata: Holothuroidea)

Paleontological Journal, 2014
The types of symmetry that are characteristic for the class Holothuroidea and reflect different stages in the evolution of this group of echinoderms and the role of paedomorphosis in its origin are analyzed. A hypothesis is proposed to explain the distinctive structure of the water vessel (ambulacral) system of sea cucumbers and the origin of the class
openaire   +1 more source

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