Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


n. pl. lim·u·li (-lī, -lē)

[Latin līmulus, sidelong (from its motion), diminutive of līmus.]


n, pl -li (-ˌlaɪ)
(Animals) any horseshoe crab of the genus Limulus, esp L. polyphemus
[C19: from New Latin (name of genus), from Latin līmus sidelong]

horse′shoe crab′

any of several large marine arthropods of the order Xiphosura, esp. Limulus polyphemus, of E North American shores, having a stiff tail and brown carapace curved like a horseshoe. Also called king crab.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.limulus - type genus of the family LimulidaeLimulus - type genus of the family Limulidae  
arthropod genus - a genus of arthropods
family Limulidae, Limulidae - horseshoe crabs
horseshoe crab, Limulus polyphemus, Xiphosurus polyphemus, king crab - large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse
References in periodicals archive ?
Tenders invited for Supply of chemicalas - limulus amoebocyte lysate; control standard endotoxin and lal water
Wellington Management Company LLP, Venrock Healthcare Capital Partners and Cormorant Asset Management joined present investors OrbiMed, Longitude Capital, Sibling Capital Ventures, Limulus Venture Partners and Vivo Capital in the round.
3-20) summarizes recent integrative research, indicating that opsin-mediated photosensitivity is distributed widely throughout the central nervous system of the horseshoe crab Limulus.
Endotoxin levels in the samples were determined using the key quality characteristics limulus amebocyte lysate.
En relacion a los medicamentos biologicos, se entreno en ensayos y controles, en los principios teoricos sobre el ensayo del lisado de amebocitos del limulus (LAL) para endotoxinas bacterianas y en el programa de control de heparinas.
The endotoxin concentration was assayed using a Limulus test involving a turbidimetric time assay (Zhanjiang A & C Biological Ltd.
There is a range of tests available for detecting endotoxins including the Rabbit Pyrogen Test (RPT) and tests based on Limulus Amebocyte Lysate (LAL), which is derived from the blood cells of the horseshoe crab.
A Bacterial Endotoxin Test (BET), also referred to as a limulus amebocyte lysate (LAL) test, is a biological assay used to detect and quantify the amount of endotoxin and is typically performed after the device is sterilized.
9) The basis of the Fungitell assay relies on BG's ability to activate the limulus amebocyte lysate clotting cascade present in the blood of Limulus polyphemus, the North American horseshoe crab.
Experiments on modern Limulus show that decay of the internal soft parts begins only a few hours after death and lasts for no more than one month (Babcock & Chang 1997; Babcock et al.