Related Experiment Video

Updated: Jul 17, 2026

Using the Horseshoe Crab, Limulus Polyphemus, in Vision Research
14:28

Using the Horseshoe Crab, Limulus Polyphemus, in Vision Research

Published on: July 3, 2009

[The "Limophōros": Polybius III, 87, 2]

E Foulon

    Revue Des Etudes Grecques
    |January 1, 1997
    PubMed
    Summary

    The ancient Greek term "limophōros" in Polybius' Histories refers to scabies, not scurvy. This term was likely coined by Polybius to describe a disease whose origins he did not understand.

    More Related Videos

    Blood Collection from the American Horseshoe Crab, Limulus Polyphemus12:48

    Blood Collection from the American Horseshoe Crab, Limulus Polyphemus

    Published on: October 13, 2008

    Isolation and Identification of Limbal Niche Cells10:11

    Isolation and Identification of Limbal Niche Cells

    Published on: October 27, 2023

    Related Concept Videos

    Polyprotic Acids03:38

    Polyprotic Acids

    Acids are classified by the number of protons per molecule that they can give up in a reaction. Acids such as HCl, HNO3, and HCN that contain one ionizable hydrogen atom in each molecule are called monoprotic acids. Their reactions with water are:
    Functional Brain Systems: Limbic System01:15

    Functional Brain Systems: Limbic System

    The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
    Characteristics and Nomenclature of Homopolymers01:00

    Characteristics and Nomenclature of Homopolymers

    Polymers that are made up of identical monomer units are called homopolymers. Only one repeating unit is involved in the construction of the homopolymer structure. For example, as depicted in Figure 1, polypropylene is a homopolymer constituted of propylene monomers. Here, the only repeating unit in the polymer chain is propylene.
    Geometry of Hyperbolas01:30

    Geometry of Hyperbolas

    A hyperbola consists of all points where the absolute difference of distances to two fixed points, called foci, remains constant. The standard equation isEach branch extends infinitely and approaches two asymptotes, which guide the curve’s behavior. The parameters a and b define key features: a measures the distance from the center to each vertex along the transverse axis, while b influences the slopes of the asymptotes. The asymptotes have equationsA rectangle centered at the origin with...
    Lampbrush Chromosomes01:51

    Lampbrush Chromosomes

    In 1882, Flemming observed lampbrush chromosomes (LBC) in salamander eggs. Later in 1892, Rückert observed LBCs in shark egg cells and coined the term "lampbrush chromosomes" because they looked like brushes used to clean kerosene lamps.
    LBCs are made up of two pairs of conjugating homologous chromatids. Each chromatid consists of alternatively positioned regions of condensed-inactive chromatin and loosely placed-active side loops, which can be contracted and extended. The loops resemble the...
    Lobes of the Cerebrum01:22

    Lobes of the Cerebrum

    The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
    Frontal lobe
    The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements.