total body water

Also found in: Acronyms.

to·tal bod·y wa·ter (TBW),

the sum of intracellular water and extracellular water (volume); about 60% of body weight.

total body water (TBW)

all the water within the body, including intracellular and extracellular water plus the water in the GI and urinary tracts.

to·tal bod·y wa·ter

(tō'tăl bod'ē waw'tĕr)
Sum of intracellular and extracellular water (volume); about 60% of body weight.

total body water

includes the intracellular water and the extracellular water, the latter consisting of the interstitial or tissue fluid and the intravascular fluid or plasma. The extracellular fluids also contain the transcellular fluids that are formed by active transport processes and include saliva, cerebrospinal fluid, and the fluids of the eye and the secretory glands and so on. It may be ingested water or water produced by the body's metabolic processes (metabolic water).

Patient discussion about total body water

Q. I have found that my body weight has high proportion of water in total weight.. I have found that my body weight has high proportion of water in total weight, and it makes me to take less water and there by increasing my thirst, which in turn stresses my body a lot, what can I do to reduce this problem…..?

A. Your body has a way of compensating when it is lacking something. When you are dehydrated, your body will retain fluids, hence the excess water.
drink plenty of water daily and you will find that you will lose this puffiness as your body adjusts to getting what it needs.

More discussions about total body water
References in periodicals archive ?
Can tritiated water-dilution space accurately predict total body water in chukar partridges?
Although plasma osmolarity and hematological parameters showed the presence of a state of dehydration, total body water remained unchanged.
The anatomical structure of the kidney serves one important function: to maintain total body water balance.
An obese male has approximately 20% less total body water than does a lean male of similar stature and age (Huether, 1994).
com)-- Body composition analyzers are used to determine different parameters of body composition, including body fat percentage, total body water, bioelectrical impedance, land body weight, and body mass index, among others.
That is why the basic parameter measured by BIA is the total body water (TBW), whose values are calculated by regression equations from the impedance values.
With this method it is possible to calculate body tissues purified from the fat, total body water and body fat ratio in the body.
We determined whether ultra-runners in a multi-stage ultra-endurance run lose body mass, fat mass, skeletal muscle mass or total body water in a descriptive field study at the 'Deutschland-lauf' 2007 a 1,200 km run within 17 consecutive days with 10 male non-professional Caucasian ultra-runners (mean [+ or -] SD, 43.
These included the need to estimate or quantify non fat tissues such as skeletal muscle and visceral protein mass, total body water and body fluid compartments and the estimation of bone mass.
A basic understanding of total body water and body fluid compartments is an integral foundation for determining the EDW.

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