Radiation Biology (2)

通報

問題一覧

enzymes, viruses, and bacteria

single target, single hit

applies to high let irradiation

single target, single hit

when a given square was hit by two or more raindrops

wasted hit

irradiation of mammalian cells with high-let radiation follows

single target, single hit

consists of >1 critical target in human cells

multi target, single hit

represents a threshold dose and applies to low let irradiation

multi target, single hit

hits needed to kill in single target, single hit

hits needed to kill in multi target, single hit

1 per target

curve shape: exponential

single target, single hit

curve shape: shouldered curve

multi target, single hit

when only one part of the body is irradiated, in contrast to a whole body irradiation, a ___ is required to produce a response

higher dose

the result in the organ or tissue because the cell death effect

shrinkage

the shrinkage of an organ or tissue caused by cell death

atrophy

the effect can lead to total ___ of function of the organ or tissue, or can be followed by a recovery

lack

damage to ___ results in the earliest manifestation of radiation injury to the skin

basal cells

a sunburn like reddening of the skin

erythema

ulceration and denudarion of the skin

desquamation

at higher doses, the second wave of erythema is followed by ____

moist desquamation

known as clinical tolerance of rad therapy

moist desquamation

approximate time of onset of permanent epilation

3 weeks

used for permissible radiation exposures

SED50

the most radiosensitive cell during female germ cell development

oocyte

100 mGyt (10 rad)

effects on the gonads

the most radiosensitive cell during male germ cell development

spermatogonia

what is the approx. dose in response to minimal detectable response?

100 mGyt

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