Adjective : excretory organs.    From Dictionary.com. 

Waste particles thrown off by the excretory organs.    From Wordnik.com.  [Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics] Reference

This canal represents the last division of the excretory apparatus.    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

You should go see a doctor about your obsessions with human excretory parts.    From Wordnik.com.  [McCain: "Today We Are All Georgians"] Reference

You had sealed up all but a single excretory passage -- the pores of the skin.    From Wordnik.com.  [The Opium Habit] Reference

In the same way the living machine has its excretory system for removing wastes.    From Wordnik.com.  [The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity] Reference

The hemolymph deposits these wastes in the excretory tubule as insoluble crystals.    From Wordnik.com.  [Arthropoda] Reference

From the blood it is separated by the excretory organs and passed to the exterior of the body.    From Wordnik.com.  [Physiology and Hygiene for Secondary Schools] Reference

Many of these are, in all probability, excretory products of no assimilative value to the plant.    From Wordnik.com.  [The Chemistry of Food and Nutrition] Reference

There is a limit to the skin's excretory ability, and when this is exceeded skin diseases ensue.    From Wordnik.com.  [Maintaining Health Formerly Health and Efficiency] Reference

They are ultimately discharged through the excretory pore by pressure generated by body movements.    From Wordnik.com.  [Arthropoda] Reference

The term is used most often to refer to the urinary bladder, which is part of the excretory system.    From Wordnik.com.  [bladder] Reference

It seems likely that the coelomic pore-canals were originally excretory organs, but in the existing.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"] Reference

There can be little doubt, however, that these excretory substances often serve as a means of protection.    From Wordnik.com.  [Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86] Reference

The kidney is the primary excretory organ, followed by the gastrointestinal tract, and the lungs (for gases).    From Wordnik.com.  [Toxicity] Reference

Too much food is absorbed into the blood and the excretory organs have to work overtime to get rid of the excess.    From Wordnik.com.  [Maintaining Health Formerly Health and Efficiency] Reference

Much of the illness in the world might have been avoided if the victims had taken better care of the excretory organs.    From Wordnik.com.  [Herself Talks with Women Concerning Themselves] Reference

As mentioned previously, too much protein may cause intestinal disturbances, and an overtaxing of the excretory organs.    From Wordnik.com.  [School and Home Cooking] Reference

Any stoppage in the process of elimination means that some fault has crept into the work of one of these excretory systems.    From Wordnik.com.  [Evening Round Up More Good Stuff Like Pep] Reference

Please remember that exhaled air is excretory matter, and that it is both unclean and unwholesome to consume it over and over again.    From Wordnik.com.  [Maintaining Health Formerly Health and Efficiency] Reference

The eggs and embryos are deposited by the female in the intestinal tract, air passages, or excretory ducts of the kidneys of the host.    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

Circumgenital glands: small circular glands with an excretory orifice at tip, disposed in groups about the genital orifice in Diaspinae.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

A more frequent ablution seemed to over-stimulate the excretory functions of the skin, so that excessive bathing defeated its very object.    From Wordnik.com.  [The Atlantic Monthly, Volume 09, No. 51, January, 1862] Reference

Finally the skin likewise is an excretory organ and exhales a very definite amount of gaseous and fluid waste in the course of each twenty-four hours.    From Wordnik.com.  [Evening Round Up More Good Stuff Like Pep] Reference

This hurrying blood current not only carries nutriment to these organs, but carries away their accumulations of effete material to the excretory glands.    From Wordnik.com.  [The Biology, Physiology and Sociology of Reproduction Also Sexual Hygiene with Special Reference to the Male] Reference

Diarrhea is more alarming because the intensified local activity of the excretory glands of the bowels brings on, as has been said, a general exhaustion of the vital powers.    From Wordnik.com.  [Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis] Reference