Sentences with phrase «of pheromone as»

The use of pheromones as sexual signals appears to be the ancestral condition in fireflies with the use of luminous sexual signals as being a more recent development.
The brain interprets the presence of pheromones as a reason to be calmer and more relaxed.
Think of pheromones as hormones outside the body... chemical messengers.
An ant scout will leave the nest to look for food, laying a trail of pheromones as it goes.

Not exact matches

The research shows that the portion of the brain that helps regulate sexuality — the hypothalamus — reacted the exact same way in straight women and gay men when exposed to male pheromones, which are chemicals designed to provoke a behavior, such as sexual arousal.
Pheromones are widely recognized as a mediator promoting survival of each species.
Pheromones are widely recognized as a mediatorpromoting survival of each species.
For example, when the researchers eliminated cues that normally promote aggression in a target fly — such as pheromones — the flies containing the hyperactivated «aggression» neurons attacked those targets despite the absence of the cues.
With the help of Forest Service entomologist William Bedard, Wood built enormous glue traps to test the chemicals as bait: six - foot - high sheets of nylon coated with Stick - Em adhesive and the attraction pheromone.
«There is likely a biological underpinning to kissing, as it can often involve exchange of pheromones and saliva, and also pathogens — which might be particularly dangerous in societies without oral hygiene, where kissing may lead to spread of respiratory or other illness,» he said.
But the flowers that Gaskett studies, called tongue orchids, can produce a molecule that precisely mimics the pheromone made by the females of the species Lissopimpla excelsa, commonly known as dupe wasps.
The scientists write in their paper that if an invasive species used the same pheromone as a complex of native species, the chemicals emitted by the natives might prevent the invaders from finding suitable mates.
Using pheromones can also reveal the presence of destructive invasive species such as the Asian longhorned beetle.
«Pheromones are promising alternatives to pesticides as a means of monitoring and controlling pests.»
The active chemical in an aphid's alarm pheromone is (E)- beta - farnesene — one of a group of a plant metabolites, known as terpenoids.
Holy and former graduate student Pei Sabrina Xu, PhD, screened hundreds of thousands of neurons in mice's vomeronasal organs, a structure in the nose that detects pheromones as well as other chemical signals.
«That suggested that the story was not as simple as everybody assumed and volatile pheromones were not responsible,» says behavioral ecologist Jane Hurst, one of the authors of the study.
They used bat detectors and insect pheromone traps to monitor nightly bat activity, as well as the abundance of the corn earworm moth — a tasty treat for bats and also one of the world's most destructive crop pests.
And in glasses of Pinot Blanc that had been tainted by female fruit flies or trace amounts of pheromone, the tasters found the taste «somewhat unpleasant» when as little as 1 nanogram of the pheromone was present (doi.org/10.1101/206375).
One of the researchers who has participated in this study is Marco A. Fontelos from the Institute of Mathematical Sciences (ICMAT), who has also co-authored another study regarding the formation of lines of ants that «can be characterised as bifurcations or trailblazing when the concentration of pheromones exceeds a certain value.»
About half of these ants did a U-turn at this corner, while the rest laid only about half as much pheromone as before.
Two of these compounds, isoamylamine and trimethlyamine, appear in different concentrations in male and female mouse urine, and some evidence suggests that isoamylamine acts as a pheromone by accelerating the onset puberty in female mice.
«Termites appeared some 150 million years ago while the social Hymenoptera appeared about 100 million years ago, so this discovery of a hydrocarbon as a royal - recognition pheromone in termites appears to predate its use in social insects,» Schal said.
The scientists had already verified in previous studies that the «persistence» of ants, or rather, their tendency not to change their direction while there are no obstacles or external effects, together with the «reinforcement» occurring in areas which they have already visited (thanks to the pheromone trail that they leave) are two factors which determine their routes as they forage.
In addition, the parasexual cycle is induced between two a / a mating partners when mixed in ménage a trois matings with a limited number of α / α cells that serve as pheromone donors to trigger unisexual a-a reproduction [43].
Epigenetically - effected hypothalamic GnRH secretion is central to my model of nutrient - dependent pheromone - controlled adaptive evolution, which was presented as «Olfactory - genetic - neuronal - hormonal reciprocity in learning, memory, behavior and in immune function» during a 1995 Anti-Aging medicine conference.
In terms of collateral damage, tadpole pheromones don't affect native frogs (or any other native animals, so far as we know).
While some of these explications may have a basis in legitimate scientific studies, others feel suspiciously vague and circular in their reasoning, using terms like «dopamine» and «pheromones» as hand - waving «proof» that women are hard - wired to do things like gossip and fall in love at first sight.
Audaciously staged as a little - more - than - real - time dramatization of a single night's house party, the air humid with that special, pheromone - drenched mist of booze and sweat and young sex and aspirations towards same, Can't Hardly Wait is a reminder of the pop - cultural moment when Brad and Gwyneth were the hot celebrity couple, Jennifer Love Hewitt was an up - and - comer, nobody had ever heard of Selma Blair or Lauren Ambrose, and the likes of Smash Mouth and Eve 6 were planting hit singles on MTV and the radio.
What Puss is actually doing is marking you as a member of her family with the use of pheromones that are released from her scent glands.
The absence of dog scent aside, these rooms further reduce feline stress because they may be equipped with diffusers that disseminate a synthetic version of the normal pheromones given off by cats as they rub their cheeks against people or furniture; this pheromone serves as a chemical marker that signifies safety, contentment, and familiarity.
Feliway For Cats and Kittens contains Analogue of Feline Facial Pheromone (2 %), and is available as either a Plug - In Diffuser (Complete Kit with separate refills available) or a Spray Bottle.
Removing the scent of marking and adding pheromones to the environment are important as well.
In addition to the scents of fir trees, fireplaces and spices rising into the air as cookies bake, bring the chemical contribution of synthetic pheromones that mimic those produced by dogs and cats.
Drugs for all types of canine anxiety are referred to as psychotropic drugs and pheromones.
Another option is the use of an environmental pheromone treatment, such as Feliway ® to create some «feel good» moods of your feline population and hopefully reduce overall stress.
Dog pheromone products are used for general stress, separation anxiety, noise phobias, such as those caused by storms or fireworks, and travel, says Wayne Hunthausen, DVM, the director of animal behavior consultations for Westwood Animal Hospital, in Westwood, Kansas.
As an analog of this special calming pheromone, Feliway can also help cats feel peaceful.
ThunderSpray can be used as an area spray or sprayed directly onto the ThunderShirt to allow the calming pheromones and fragrances to continue to release for an extended period of time.
All dogs have glands in their feet that secrete pheromones, and a couple of backward scratches into the earth releases those chemicals claiming the spot as their own.
These may include increasing your pet's mental stimulation through play or physical exercise, behavior modification techniques and the use of behavior tools such as Gentle Leader Headcollars, calming shirts or pheromone usage.
The urine contains both pheromones and hormones, both of which act as signals of her reproductive status to other cats.
When you cat scratch objects, they often do so to become sovereigns of that object and give information such as gender to other cats through the pheromones that are spread through their paws from their scent gland which is found between your cat's toes.
Treatments for fear of fireworks fall into two broad categories — drugs and alternative therapies such as dog appeasing pheromone (D.A.P.) and homeopathic treatments.
You can invest in some new forms of doggie smart camera systems with two - way audio and video capabilities as well as built - in treat dispenser and pheromone sprayer.
Ways you can help pets feel safe include closing the curtains, playing light classical music, diffusing a small amount of lavender essential oil or species - specific pheromones such as Feliway or Adaptil, or giving your pet a special toy such as a food puzzle.
Dog Appeasing Pheromone ® (DAP) is an artificially synthesized version of a pheromone produced by lactating female dogs that has a reassuring affect and is available as a collar that the dog can wear to reducePheromone ® (DAP) is an artificially synthesized version of a pheromone produced by lactating female dogs that has a reassuring affect and is available as a collar that the dog can wear to reducepheromone produced by lactating female dogs that has a reassuring affect and is available as a collar that the dog can wear to reduce anxiety.
We might also suggest the use of products such as a head halter, body harness or clicker to help modify your pet's behaviour, or in some cases drugs, pheromones, or other natural products.
There are many products available to help pets deal with these kinds of stressful events including drugs, pheromones, and nutraceuticals such as Zylkene.
Diffusers utilize artificial «copies» of the mama dog's pheromone — a quick way to get a nervous dog feeling calm, serene and as comfortable as a little baby.
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