When CD4 < SUP >+</ SUP > T cell numbers decline below a critical level, cell-mediated immunity is lost, and the body becomes progressively more susceptible to opportunistic infections.

When compared to the opioids hydromorphone, fentanyl, oxycodone, and pethidine / meperidine, former addicts showed a strong preference for heroin and morphine, suggesting that heroin and morphine are particularly susceptible to abuse and addiction.

When exposed to antibiotics, most bacteria die quickly, but some may have mutations that make them slightly less susceptible.

When the release of the DeCSS source code made the CSS algorithm available for public scrutiny, it was soon found to be susceptible to a brute force attack quite different from DeCSS.

When eradication has been unsuccessful and the disease has become established, management options include replacing susceptible citrus cultivars with resistant cultivars, applying preventive sprays of copper-based bactericides, and destroying infected trees and all surrounding trees within an appropriate radius.

When MH develops during a procedure, treatment with dantrolene sodium is usually initiated ; dantrolene and the avoidance of suxamethonium administration in susceptible people have markedly reduced the mortality from this condition.

When a resistant and a susceptible individual mate with each other, their progeny has an intermediate level of resistance ( more resistant than the susceptible parent, but not as resistant as the resistant parent ).

When describing Kyle, Stone states that both he and the character are " reactionary ", and susceptible to irritability and impatience.

When experimentally tested, species from Australia, New Guinea and Japan were also found to be susceptible to the infection.

When the die is subjected to the hubbing press again and work hardened again, it will be softer and more susceptible to wear.

When molting occurs, the seal is susceptible to the cold, and must rest on land, in a safe place called a " haul out ".

When planted in areas with hot summers, for example in interior California away from the coastal fog belt, Monterey Cypress has proved highly susceptible to cypress canker, caused by the fungus Seiridium cardinale and rarely survives more than a few years.

When the vine is flowering it is very susceptible to weather hazards such as strong winds and hail.

When this occurs the ligament may be susceptible to break resulting in an unstable joint.

When MH develops during a procedure, treatment with dantrolene sodium is usually initiated ; dantrolene and the avoidance of anesthesia in susceptible people have markedly reduced the mortality from this condition.

When spores of M. fijiensis are deposited on a susceptible banana leaf they germinate within three hours if there is a film of water present or if the humidity is very high.

When cuticles are improperly removed, they are susceptible to microbial and viral infections such as paronychia.

When two entities are communicating and do not want a third party to listen in, they need to communicate in a way not susceptible to eavesdropping or interception.

When Phytophthora dieback spreads to native plant communities, it kills many susceptible plants, resulting in a permanent decline in the biodiversity and a disruption of ecosystem processes.

When Knight Industries Three Thousand is deactivated, the nano repair system is also disabled, making his basic nano-tech shell susceptible to physical damage.

When a purely LTA ship lands, being nearly neutrally buoyant, it is susceptible to wind buffeting.

When specifying the requirements for its new service rifle, the Navy emphasized that it desired a repeating rifle loaded by means of chargers or clips, but " since the conditions of service may require the use of loose cartridges, or may result in the disabling of the magazine, it is desirable that the small arm be susceptible of use as a single loader, and that the magazine be capable of being replenished by single cartridges.

When Galicia and Bukovyna were incorporated into the Habsburg Empire in 1772 the Austrian government treated the Ukrainian population of these territories with suspicion as it was afraid it was susceptible to Russian influence due to the closeness of Ukrainian and Russian languages and cultures.

When he died, they opened his skull and found the insect had grown to the size of a bird.

When the external form undergoes the greatest change, as from an aquatic insect to a flying gnat, a caterpillar to a crysalis, a crysalis to a butterfly, or a tadpole to a frog, there is nothing new in the organization ; all the parts of the gnat, the butterfly, and the frog, having really existed, though not appearing to the common observer in the forms in which they are first seen.

When naturally occurring, these outbreaks are density-dependent in that they generally only occur as insect populations become denser.

When present in amounts less than those fatal to insects, they still appear to have an insect repellent effect.

When an insect or spider crawling along the leaves contacts a hair, the trap closes if a different hair is contacted within twenty seconds of the first strike.

When Latreille explained that it was a rare insect, the physician was impressed, and sent the insect to a 15-year old local naturalist, Jean Baptiste Bory de Saint-Vincent.

When disturbed on a branch or foliage, some species, while dropping to the undergrowth to escape, will open their wings momentarily during free fall to display bright colors that disappear when the insect lands.

When present in amounts not fatal to insects, they still appear to have an insect repellent effect.

When the insect dives into the water, it carries a layer of air over parts of its surface.

When the corpora allata of the third instar insect were removed, the level of JH was equal in both insects to that in the fourth instar animal, and hence both proceeded to the fifth instar at the next moult.

When controlling insect pests on Impatiens, insecticidal soap should be avoided.

When a pollinator encounters a flower, the insect can distinguish the flower from the background based on reflectance within the petals.

When he accidentally crushes an insect, he is grief-stricken and, ironically, claims that he must be careful about such things, while those with hearts do not need such care.

When an insect is captured, the tentacles bend inward and the leaf rolls together as shown in the picture.

When first seen, Rita DeMara was a reluctant supervillainess who had stolen one of Henry Pym's Yellowjacket costumes, and modified it, making it more feminine ( and removing the insect emblem ).

When searching for invertebrates, however, it appears to employ a different strategy based on learned rules of insect movement ( they improve at finding invertebrates with practice ).

When this fly is immersed, the stiff fibers in the dubbing stand out and imitate the legs of an insect.

When in insect mode, their colors are the same as those on their new Metallix armor.

When stalking web-building spiders, Portias try to make different patterns of vibrations in the web that aggressively mimic the struggle of a trapped insect or the courtship signals of a male spider, repeating any pattern that induces the intended prey to move towards the Portia.

When the microscopic spores of the fungus come into contact with the body of an insect host, they germinate, penetrate the cuticle, and grow inside, killing the insect within a matter of days.

When mixed with a bait, it allows the poisoned insect time to return to the colony or harborage.

When I was in school I used to fall for the boys with the thick glasses who sat at the back of the class and had insect collections round their house, and I guess, in a certain way, Michel fits on to that.