(a.) Destitute of a backbone; having no vertebrae; of or pertaining to the Invertebrata.
(n.) One of the Invertebrata.
Example Sentences:
(1) The results suggest that normal development of some invertebrate neural pathways may be more dependent on experience during ontogeny than has previously been assumed.
(2) This result is in contrast to most other animals (ranging from invertebrates to mammals), in which sperm are generally motile for at least several hours.
(3) This invertebrate precipitin, Tridacnin, may be used as a marker for nearly two thirds of all asialo serum glycoproteins; A number of different cross-reactions with various other polysaccharides and galactans subdivides those neuraminidase-treated glycoproteins into several subgroups, indicating that the uncovered carbohydrate structures are not always completely identical.
(4) We compared the molecular nature of the rat brain opiate receptor with that of the invertebrate leech, Haemopis marmorata, and the protozoan, Tetrahymena, in order to examine the issue of apparent receptor heterogeneity with respect to biochemical structure.
(5) The ruthenium red method was also used on a number of marine invertebrate embryos and larvae, representing different phyla, to facilitate comparisons between their surface coats.
(6) Using an SDS gel electrophoresis method, connectin, very high molecular weight (approximately 10(6) dalton) protein, was detected in an SDS extract of whole tissues of various types of muscles of vertebrates and invertebrates.
(7) Thirty-five antisera to 20 vertebrate regulatory peptides and 1 invertebrate peptide (FMRFamide) were used to screen the worm for neuropeptide IR.
(8) Purification procedures that appear to be generally applicable to invertebrate MTs have only recently been developed and are described here.
(9) The over-all response of duck erythrocytes is considered as an example of "isosmotic intracellular regulation," a term used to describe a form of volume regulation common to euryhaline invertebrates which is achieved by adjusting the number of effective intracellular osmotic particles.
(10) The body wall muscle and the blood vessel muscle are compared with other muscle types described in invertebrates.
(11) Although neither protein bound to heparin, gelatin, hexosamine, or uronic acid-Sepharose resins, their affinity for an invertebrate proteoglycan, their roles in sponge cell adhesion, and their peripheral membrane protein natures suggest that they may represent early invertebrate analogs of cell-associated vertebrate extracellular matrix adhesion proteins, such as fibronectin or vitronectin, or else an entirely novel set of cell adhesion molecules.
(12) In organisms as diverse as bacteria, plants, invertebrates, and vertebrates, synthesis of these proteins is directly correlated with the acquisition of thermotolerance.
(13) Invertebrate systems have proved to be quite useful for the development of an understanding of some processes in the central nervous system (CNS).
(14) The amino acid composition of the ABRM calmodulin closely resembled that of other invertebrate calmodulins.
(15) Current thinking on fixed behaviors in invertebrates holds that they are generated by specialized neural circuits in the brain.
(16) In view of reports that the nerve fibers of the sea prawn conduct impulses more rapidly than other invertebrate nerves and look like myelinated vertebrate nerves in the light microscope, prawn nerve fibers were studied with the electron microscope.
(17) To test the hypothesis that inositol trisphosphate (InsP3) mediates adaptation and excitation in invertebrate photoreceptors, we measured its formation on a rapid time scale in squid retinas.
(18) The cellular and circuit properties of individual identified neurons in invertebrates can be readily studied; hence it is possible to determine how the complex properties of nerve cells function in the generation of behavior.
(19) These processes may be conserved in a wide range of invertebrates and vertebrates.
(20) The action of ocular screening pigments of vertebrates (melanins) as well as those of invertebrates (ommochromes) on lipid peroxidation has been studied.
Spineless
Definition:
(a.) Having no spine.
Example Sentences:
(1) Nobody is sure what dangerous chemical imbalance this would create but the Fiver is convinced we'd all be dust come October or November, the earth scorched, with only three survivors roaming o'er the barren landscape: Govan's answer to King Lear, ranting into a hole in the ground; a mute, wild-eyed pundit, staring without blinking into a hole in the ground; and a tall, irritable figure standing in front of the pair of them, screaming in the style popularised by Klaus Kinski, demanding they take a look at his goddamn trouser arrangement, which he has balanced here on the platform of his hand for easy perusal, or to hell with them, for they are no better than pigs, worthless, spineless pigs.
(2) It makes the ICC look spineless and toothless.” Ultimately, Libya’s state today is about more than one man, and many feel that the western governments who were eager to get Gaddafi out failed to help Libya stabilise after his death.
(3) The TSP for ssa-40a overlapped the TSP for homoeotic transformation of aristae into tarsi but did not overlap the TSP for spineless effects.
(4) What's certain, though, is that nothing could have been worse than keeping the spineless Ayrault at his side after last weekend's drubbing at the local elections and the loss of 175 municipalities.
(5) But a blend of opportunism on the right that flagrantly mischaracterises the issue, and spinelessness on the left that refuses to address it.
(6) I want to tell them how spineless they have been,” said junior doctor Mukhtar Ahmed.
(7) We find the government response to this issue is weak, lazy and bordering on spineless.
(8) They don't have the strength of character … Instead they show submissiveness, spinelessness, lack of punctuality, and many other factors which prevent them from becoming political activists."
(9) The second is the spineless hypocrisy of western governments, not least our own, who take their oil, and hope for their money.
(10) The Senate minority leader, Harry Reid, said that the majority leader, Mitch McConnell, who stopped short of branding Trump’s remarks as racist, was “the poster boy for Republicans’ spinelessness to allow Donald Trump to be the nominee”.
(11) The tail is spineless and provided with dorsolateral folds.
(12) Speaking at the University College London occupation this morning, Porter said: " For too long the NUS has perhaps been too cautious and too spineless about being committed to supporting student activism.
(13) Threatened with a no-confidence vote, the NUS president, Aaron Porter, recently apologised for the union's "spineless" caution toward student activism and promised more support.
(14) This is well behind the old rates, but steep enough to send the more spineless Tories running for the hills.
(15) NUS president Aaron Porter apologised today for his "spineless" lack of public support for university occupations around the country.
(16) He was also scathing about the United Russia party – from which he resigned in disgust last week – calling it a spineless servant of the Kremlin run by feeble idiots.
(17) Fitnesses were obtained for the male segregants of the two "complex loci," spineless-spineless aristapedia and radius incompletus-inturned.
(18) S. bovis was previously described as possessing spineless tubercles.
(19) He condemned Bellfield, who refused to give evidence or appear in the dock for sentence, as "spineless and gutless" for hiding behind his defence QC and challenging the testimony of every witness.
(20) The original scant covering of spineless, truncated microtriches was supplemented by a population of microvilli covering the entire surface of protoscoleces in the early stages of formation.