What's the difference between crustacean and protopodite?

Crustacean

Definition:

(a.) Of or pertaining to the Crustacea; crustaceous.
(n.) An animal belonging to the class Crustacea.

Example Sentences:

(1) It is assumed that taurine increases the Ca2+ sensitivity of the force-generating myofilaments in mammalian hearts and crustacean slow skeletal muscle fibres.
(2) The implications of these findings for the development and physiological performance of the crustacean motor unit are discussed.
(3) The four hosts (Mollusc -- Crustacean -- Odonat -- Amphibian) are obligatory in the life cycle for it is impossible to infect the Insects directly with the cecariae or the frog (tadpoles as well as adults) with the mesocercariae.
(4) Using a spectrophotometric method, the kinetics of the crustacean muscle enzyme was compared to the acetylcholinesterase (AChE) on mammalian red blood cells and in the lobster ventral nerve cord.
(5) In crustacean nerve 12-14% of the phospholipids was in the form of alkyl ether phospholipids, which in the lobster were approximately half choline-containing and half ethanolamine-containing.
(6) Clearance of foreign materials from the hemocoel of decapod crustaceans involves several distinct kinds of cells.
(7) Electron microscopy has revealed that chitin from a representative selection of insect orders (plus one crustacean and one arachnid) is localized in crystallites about 2.8 nm across.
(8) The crustacean Na+-H+ antiporter therefore bears similarities to the vertebrate antiporter but is uniquely electrogenic.
(9) The highest levels were found in hepatopancreas from crustaceans.
(10) From the vantage point of my 10-centimetre porthole, I glimpsed life forms with outlines like blown glass occasionally drifting past our lights, while small crustaceans hovered around like flies, keeping pace with our descent.
(11) The significance of the terminal residues of the red pigment-concentrating hormone (RPCH: Glu-Leu-Asn-Phe-Ser-Pro-Gly-Trp-NH2) for its blanching effect on crustacean chromatophores has been investigated.
(12) You’d be hard pushed to find half a dozen fresh oysters at this great price.” Frozen food giant Iceland sparked lobster wars last month with what it claimed was the cheapest cooked crustacean in Britain.
(13) Foods causing most prominent symptoms among patients in group A included legumes, tree nuts, crustaceans, and fish.
(14) In the walking legs of decapod crustaceans, intersegmental reflex actions originate from various joint proprioceptors.
(15) Ovaries from the spider crab, Libinia emarginata L. were studied to learn more of vitellogenesis in crustaceans.
(16) However, some responses were inhibitory, the first such demonstration in aquatic crustaceans.
(17) These include insects, chelicerates, most crustaceans, annelids, priapulids, nematodes, and some sipunculids.
(18) The pentapeptide proctolin modulates the activity of the rhythmic pattern generators in the crustacean stomatogastric nervous system.
(19) Tilapia is an aquaponics staple, but crustaceans are also up for discussion.
(20) Ross said researchers have identified four new species of fish, a new type of starfish and several new species of crustaceans living in the deepwater reefs.