Related Experiment Video

Updated: May 22, 2026

Reproductive Techniques for Ovarian Monitoring and Control in Amphibians
04:37

Reproductive Techniques for Ovarian Monitoring and Control in Amphibians

Published on: May 12, 2019

The Hirudo medicinalis species complex

U Kutschera

    Die Naturwissenschaften
    |April 26, 2012
    PubMed

    More Related Videos

    Cultivation of Heligmosomoides Polygyrus: An Immunomodulatory Nematode Parasite and its Secreted Products12:40

    Cultivation of Heligmosomoides Polygyrus: An Immunomodulatory Nematode Parasite and its Secreted Products

    Published on: April 6, 2015

    Helminth Collection and Identification from Wildlife09:37

    Helminth Collection and Identification from Wildlife

    Published on: December 14, 2013

    Related Concept Videos

    Taxonomy01:31

    Taxonomy

    Taxonomy is the science of defining and naming groups of biological organisms based on shared characteristics. It uses a hierarchy of increasingly inclusive categories with Latin names. The smallest units of taxonomy, species and genus, are used to assign a formal, taxonomic name to each species in a system. This classification system, referred to as binomial nomenclature, was formalized by Carolus Linnaeus in the 18th century.
    Hierarchy of Taxonomy
    The hierarchy that Carolus Linnaeus first...
    Hybrid Zones02:29

    Hybrid Zones

    Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
    Anthelminthic Agents01:15

    Anthelminthic Agents

    Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...
    Diversity of Protists I01:15

    Diversity of Protists I

    Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
    Diversity of Protists II01:27

    Diversity of Protists II

    Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...