ETYMOLOGY OF THE WORD EXCRETE
From Latin excernere to separate, discharge, from cernere to sift.
CONJUGATION OF THE VERB TO EXCRETE
PRESENT
Present
I excrete
you excrete
he/she/it excretes
we excrete
you excrete
they excrete
Present continuous
I am excreting
you are excreting
he/she/it is excreting
we are excreting
you are excreting
they are excreting
Present perfect
I have excreted
you have excreted
he/she/it has excreted
we have excreted
you have excreted
they have excreted
Present perfect continuous
I have been excreting
you have been excreting
he/she/it has been excreting
we have been excreting
you have been excreting
they have been excreting
Present tense is used to refer to circumstances that exist at the present time or over a period that includes the present time. The
present perfect refers to past events, although it can be considered to denote primarily the resulting present situation rather than the events themselves.
PAST
Past
I excreted
you excreted
he/she/it excreted
we excreted
you excreted
they excreted
Past continuous
I was excreting
you were excreting
he/she/it was excreting
we were excreting
you were excreting
they were excreting
Past perfect
I had excreted
you had excreted
he/she/it had excreted
we had excreted
you had excreted
they had excreted
Past perfect continuous
I had been excreting
you had been excreting
he/she/it had been excreting
we had been excreting
you had been excreting
they had been excreting
Past tense forms express circumstances existing at some time in the past,
FUTURE
Future
I will excrete
you will excrete
he/she/it will excrete
we will excrete
you will excrete
they will excrete
Future continuous
I will be excreting
you will be excreting
he/she/it will be excreting
we will be excreting
you will be excreting
they will be excreting
Future perfect
I will have excreted
you will have excreted
he/she/it will have excreted
we will have excreted
you will have excreted
they will have excreted
Future perfect continuous
I will have been excreting
you will have been excreting
he/she/it will have been excreting
we will have been excreting
you will have been excreting
they will have been excreting
The
future is used to express circumstances that will occur at a later time.
CONDITIONAL
Conditional
I would excrete
you would excrete
he/she/it would excrete
we would excrete
you would excrete
they would excrete
Conditional continuous
I would be excreting
you would be excreting
he/she/it would be excreting
we would be excreting
you would be excreting
they would be excreting
Conditional perfect
I would have excrete
you would have excrete
he/she/it would have excrete
we would have excrete
you would have excrete
they would have excrete
Conditional perfect continuous
I would have been excreting
you would have been excreting
he/she/it would have been excreting
we would have been excreting
you would have been excreting
they would have been excreting
Conditional or "future-in-the-past" tense refers to hypothetical or possible actions.
IMPERATIVE
Imperative
you excrete
we let´s excrete
you excrete
The
imperative is used to form commands or requests.
NONFINITE VERB FORMS
Present Participle
excreting
Infinitive shows the action beyond temporal perspective. The
present participle or gerund shows the action during the session. The
past participle shows the action after completion.
10 ENGLISH BOOKS RELATING TO «EXCRETE»
Discover the use of
excrete in the following bibliographical selection. Books relating to
excrete and brief extracts from same to provide context of its use in English literature.
1
Animal Physiology: Adaptation and Environment
Those that excrete mainly ammonia as the end product of protein metabolism are
called ammonotelic, those that excrete mostly urea are ureotelic, and those that
form mainly uric acid are uricotelic. There is no clear correlation between the ...
Knut Schmidt-Nielsen, 1997
2
Biochemistry Biochemistry: Solutions Manual
Excess ammonia produced by amino acid catabolism must be excreted. The form
in which amino acid nitrogen is excreted by living organisms varies. Some
organisms excrete ammonia directly; others excrete waste nitrogen in the form of
urea ...
3
Biology for the IB Diploma: Standard and Higher Level
Living organisms do not all excrete the same substances. Plants excrete oxygen,
for example, whereas animals excrete carbon dioxide and nitrogenous waste
products. Nitrogenous waste products are formed when surplus amino acids are
...
4
The Physiological Ecology of Vertebrates: A View from Energetics
The classic picture is that amphibians as aquatic tadpoles excrete ammonia, and
with metamorphosis adults switch to urea as the principal waste product, urea
being less toxic. Detailed observations on the nitrogen excretion of amphibians ...
5
Do Butterflies Bite?: Fascinating Answers to Questions about ...
Like all animals, butterflies need to excrete bodily wastes in order to maintain a
constant level of salts and water in the hemolymph as well as to get rid of toxic
compounds that are produced when they digest their food. They excrete their ...
Hazel Davies, Carol A. Butler, 2008
6
Handbook of Pesticide Toxicology: Principles and Agents
Urinary Versus Biliary Excretion This point is best exemplified by the disposition
of griseofulvin in rats and rabbits (Table 1.21). Rabbits excrete most of a dose of
griseofulvin as 6-demethylgriseofulvin in urine. This is to be expected, because ...
7
Competition Science Vision
• Mammals including humans, most adult amphibians living on land and many
marine fish and turtles, which face the problem of conserving water in their
hypertonic environment, are ureotelic (excrete urea). Urea is produced in liver by
a ...
excrete. nitrogen. in. a. number. of. forms. The most common nitrogenous waste
is ammonia (NH3). Because it is highly toxic, ammonia must be either excreted
continuously to prevent its accumulation, or detoxified by conversion into urea or
...
9
Essentials of Animal Physiology
Aquatic vertebrates excrete large amounts of ammonia which is formed by
hydrolysis of urea present in the blood. The presence of ammonia in blood is
toxic, hence requires plenty of water for rapid elimination. The amount of
ammonia ...
10
Straight A's in Fluids and Electrolytes
... and bases or excrete them into urine; can also produce bicarbonate to
replenish lost supplies Regulation: if too much acid, not enough base • pH drops,
kidneys reabsorb sodium bicarbonate • Hydrogen, along with phosphate or
ammonia, ...
Lippincott Williams & Wilkins, 2007
10 NEWS ITEMS WHICH INCLUDE THE TERM «EXCRETE»
Find out what the national and international press are talking about and how the term
excrete is used in the context of the following news items.
Lakes are safe despite recent deadly infections, officials say
Swimming while ill can easily contaminate water—even if the person does not excrete any waste, Robinson said. People then swallow the ... «INFORUM, Jul 15»
Scientists in China and South Korea are using genetic engineering …
And the University of Guelph in Canada developed an Enviropig, which can digest feed more efficiently and excrete more environmentally ... «Quartz, Jul 15»
Uric Acid May Limit Stroke Disability In Women
Estrogen, he explained, helps the kidneys excrete more uric acid from the blood. Uric acid is produced when the body breaks down purines ... «HealthDay, Jul 15»
The roadrunner is a curious character
Like oceanic birds, roadrunners also have special glands that excrete excess salt from their blood, making them less dependent on finding ... «Tallahassee.com, Jul 15»
Rigorous Surveillance Imperative to Prevent Spread of Avian Influenza
Wild birds usually don't become ill from AI viruses, but they excrete large amounts of the viruses in their feces, which is then disseminated along ... «ThePoultrySite.com, Jul 15»
Robarts Research Institute awards the J. Allyn Taylor International …
... into DNA rings – a technology that may one day result in patients taking a pill which will cause cancerous cells to excrete a unique biomarker, ... «Exchange Morning Post, Jul 15»
Are Michigan's pristine lakes at risk from aging pipelines?
And the third thing is that the zebra mussels excrete a very acid material. If that acid material were to get behind the protective coating, it will ... «PBS NewsHour, Jul 15»
Fish Rap: Smallmouth bass go crazy for crayfish
As smallies patrol their favorite rocky shorelines, they can excrete a crayfish-like scent through their skin. When a territorial crayfish emerges ... «The Idaho Statesman, Jul 15»
Garden column: Learn to fix what's bugging you
Aphids excrete honeydew that serves as food for 20 to 30 beneficial insect predators and many bees and wasps. OTHER CONTROL OPTIONS. «Florida Times-Union, Jul 15»
For Women: 5 disturbing vaginal orders explained!
... not panic, it could be because you have eaten a lot of onions or garlic, thereby causing you to excrete an onion or garlic smell in your urine. «Pulse Nigeria, Jul 15»
