N	C168632	SPL UCUM Terminology	[CCID_50]	CELL CULTURE INFECTIOUS DOSE 50%	C70534	50 Percent Cell Culture Infective Dose	A potency unit defined as a minimal dose of infectious material at which preparation causes cytopathic effects (changes in the morphology and metabolism of cell culture cells, indicating cell death, due to suspected infection) in the 50% of the cell culture-containing vessels inoculated with that dilution of infectious material.
N	C168632	SPL UCUM Terminology	[AU]	ALLERGY UNITS	C70503	Allergy Unit	A biological potency unit assigned to several standardized allergenic extracts, following in-vitro comparison of the test extract to an FDA CBER reference standard. The FDA CBER reference standard may be assigned a specific AU unitage based on quantitative skin testing in allergic individuals, or based on specific allergen content.
N	C168632	SPL UCUM Terminology	[Amb'a'1'U]	Amb a 1 units	C92953	Amb a 1 Unit	An arbitrary unit for the measurement of Amb a 1 (or Antigen E), a 38 kD glycoprotein that is the major allergen in short ragweed pollen allergen extracts.
N	C168632	SPL UCUM Terminology	[arb'U]	ARBITRARY UNITS	C75765	Arbitrary Unit	A single undivided thing (unit) based on or subject to individual judgment or preference, and not by necessity, reason, or principle.
N	C168632	SPL UCUM Terminology	[BAU]	BIOEQUIVALENT ALLERGY UNITS	C70505	Bioequivalent Allergy Unit	A unit used for standardization of an allergenic product based on evaluation of product potency against reference standard in combined in vivo (skin test) and in vitro (IgE-based ELISA) testing.
N	C168632	SPL UCUM Terminology	{kp_C}	HOMEOPATHIC POTENCY OF CENTESIMAL KORSAKOVIAN SERIES	C92952	Centesimal Korsakovian Series of Attenuation	Preparation of a homeopathic substance with a ratio of one part original material to 100 parts of water; a faster and cost-effective dilution method developed by Semyon Korsakov.
N	C168632	SPL UCUM Terminology	[hp_C]	HOMEOPATHIC POTENCY OF CENTESIMAL SERIES	C88109	Centesimal Series of Attenuation	Preparation of a homeopathic substance with a ratio of one part original material to 100 parts of carrier or solvent, traditionally lactose, water or ethanol.
N	C168632	SPL UCUM Terminology	[CFU]	COLONY FORMING UNITS	C68742	Colony Forming Unit	The minimum number of separable cells which is able to produce a detectable colony of progeny. Examples of CFU usage include, but are not limited to, the measurement of the number of viable bacteria present in the environment, and the ability of stem cells to produce cells of single or multiple lineages.
N	C168632	SPL UCUM Terminology	Ci	CURIE	C48466	Curie	A unit of radioactivity in the CGS system, defined as 3.7 E10 atomic disintegrations or other nuclear transformations per second. One curie is equal to 37 gigabecquerels.
N	C168632	SPL UCUM Terminology	[D'ag'U]	D-ANTIGEN UNITS	C70501	D Antigen Unit	A unit of potency of poliovirus vaccine used for poliomyelitis prevention. The unit is poliovirus type-specific.
N	C168632	SPL UCUM Terminology	d	DAY	C25301	Day	The time for Earth to make a complete rotation on its axis; ordinarily divided into twenty-four hours, equal to 86 400 seconds. This also refers to a specific day.
N	C168632	SPL UCUM Terminology	dL	DECILITER	C64697	Deciliter	The unit of volume equal to one tenth of a liter. Accepted for use with the SI.
N	C168632	SPL UCUM Terminology	[hp_X]	HOMEOPATHIC POTENCY OF DECIMAL SERIES	C88111	Decimal Series of Attenuation	Preparation of a homeopathic substance with a ratio of one part original material to 10 parts of carrier or solvent, traditionally lactose, water or ethanol.
N	C168632	SPL UCUM Terminology	[FFU]	FOCUS-FORMING UNITS	C75303	Focus Forming Unit	A quantitative unit of measure of cell clusters of a specific interest.
N	C168632	SPL UCUM Terminology	g	GRAM	C48155	Gram	The metric unit of mass equal to one thousandth of a kilogram. One gram equals approximately 15.432 grains or 0.035 273 966 ounce.
N	C168632	SPL UCUM Terminology	h	HOUR	C25529	Hour	A unit measure of time equal to 3,600 seconds or 60 minutes. It is approximately 1/24 of a median day.
N	C168632	SPL UCUM Terminology	[iU]	INTERNATIONAL UNITS	C48579	International Unit	The unitage assigned by the WHO to International Biological Standards - substances, classed as biological according to the criteria provided by WHO Expert Committee on Biological Standardization (e.g. hormones, enzymes, and vaccines), to enable the results of biological and immunological assay procedures to be expressed in the same way throughout the world. The definition of an international unit is generally arbitrary and technical, and has to be officially approved by the International Conference for Unification of Formulae.
N	C168632	SPL UCUM Terminology	kg	KILOGRAM	C28252	Kilogram	A basic SI unit of mass. It is defined as the mass of an international prototype in the form of a platinum-iridium cylinder kept at Sevres in France. A kilogram is equal to 1,000 grams and 2.204 622 6 pounds.
N	C168632	SPL UCUM Terminology	[Lf]	LIMIT OF FLOCCULATION	C73566	Limit Flocculation Unit	
N	C168632	SPL UCUM Terminology	L	LITER	C48505	Liter	The non-SI unit of volume accepted for use with the SI. One liter is equal to cubic decimeter, or one thousandth of cubic meter, or 1000 cubic centimeters, or approximately 61.023 744 cubic inches.
N	C168632	SPL UCUM Terminology	uCi	MICROCURIE	C48507	Microcurie	A unit of radioactivity equal to one millionth of a curie or 37 kilobecquerels, and corresponding to a radioactivity of 37 000 atomic disintegrations per second.
N	C168632	SPL UCUM Terminology	ug	MICROGRAM	C48152	Microgram	A metric unit of mass equal to one millionth of a gram or one thousandth of a milligram.
N	C168632	SPL UCUM Terminology	uL	MICROLITER	C48153	Microliter	A unit of volume accepted for use with the SI and equal to one millionth of a liter (10E-6 liter).
N	C168632	SPL UCUM Terminology	umol	MICROMOLE	C48509	Micromole	A unit of amount of substance equal to a millionth of a mole.
N	C168632	SPL UCUM Terminology	um	MICRON	C48510	Micron	A unit of length in metric system equal to 10E-6 meter, or micrometer.
N	C168632	SPL UCUM Terminology	[hp_M]	HOMEOPATHIC POTENCY OF MILLESIMAL SERIES	C88110	Millesimal Series of Attenuation	Preparation of a homeopathic substance with a ratio of one part original material to 1000 parts of carrier or solvent, traditionally lactose, water or ethanol.
N	C168632	SPL UCUM Terminology	mCi	MILLICURIE	C48511	Millicurie	A unit of radioactivity equal to one thousandth of a curie or 37 megabecquerels, and corresponding to a radioactivity of 37 millions of atomic disintegrations per second.
N	C168632	SPL UCUM Terminology	meq	MILLIEQUIVALENT	C48512	Milliequivalent	A unit of relative amount of a substance equal to one thousandth of an equivalent weight.
N	C168632	SPL UCUM Terminology	mg	MILLIGRAM	C28253	Milligram	A metric unit of mass equal to one thousandth of a gram or 1000 micrograms. One milligram equals approximately 0.015 432 grain or 35.274 x 10E-6 ounce.
N	C168632	SPL UCUM Terminology	mL	MILLILITER	C28254	Milliliter	A unit of volume equal to one millionth (10E-6) of a cubic meter, one thousandth of a liter, one cubic centimeter, or 0.061023 7 cubic inch. A cubic centimeter is the CGS unit of volume.
N	C168632	SPL UCUM Terminology	mm	MILLIMETER	C28251	Millimeter	A metric unit of length equal to one thousandth of a meter (10E-3 meter) or approximately 0.03937 inch.
N	C168632	SPL UCUM Terminology	mmol	MILLIMOLE	C48513	Millimole	A unit of amount of substance equal to 0.001 mole.
N	C168632	SPL UCUM Terminology	min	MINUTE	C48154	Minute	A unit measure of time equal to 60 seconds.
N	C168632	SPL UCUM Terminology	mol	MOLE	C42539	Mole	A unit of amount of substance, one of the seven base units of the International System of Units (Systeme International d'Unites, SI). It is the amount of substance that contains as many elementary units as there are atoms in 0.012 kg of carbon-12. When the mole is used, the elementary entities must be specified and may be atoms, molecules, ions, electrons, other particles, or specified groups of such particles.
N	C168632	SPL UCUM Terminology	mo	MONTH	C29846	Month	One of the 12 divisions of a year as determined by a calendar. It corresponds to the unit of time of approximately to one cycle of the moon's phases, about 30 days or 4 weeks.
N	C168632	SPL UCUM Terminology	ng	NANOGRAM	C48516	Nanogram	The metric unit of mass equal to one billionth of a gram (10E-9 gram) or one thousandth of a milligram.
N	C168632	SPL UCUM Terminology	nmol	NANOMOLE	C48517	Nanomole	A unit of amount of substance equal to 10E-9 mole.
N	C168632	SPL UCUM Terminology	1	1*	C66832	One	The smallest natural number and quantity it denotes: a single entity, unit, or object.
N	C168632	SPL UCUM Terminology	[PFU]	PLAQUE-FORMING UNITS	C67264	Plaque Forming Unit	A measure of viable infectious entities (e.g. viral particles or group of particles) in the specimen or product defined as the smallest quantity that can produce a cytopathic effect in the host cell culture challenged with the defined inoculum, visible under the microscope and/or to the naked eye as a plaque. A number of plaque forming units (PFU) per unit volume is a conventional way to refer the titer of an infective entity in a specimen or preparation.
N	C168632	SPL UCUM Terminology	[PNU]	PROTEIN NITROGEN UNITS	C48533	Protein Nitrogen Unit	An unit used to quantitate protein nitrogen in acid precipitate samples based on micro-Kjeldahl measurement. One protein nitrogen unit represents 0.01 microgram of total protein nitrogen in the extracted samples.
N	C168632	SPL UCUM Terminology	[hp_Q]	HOMEOPATHIC POTENCY OF QUINTAMILLESIMAL SERIES	C88108	Quintamillesimal Series of Attenuation	Preparation of a homeopathic substance with a ratio of one part original material to 50,000 parts of carrier or solvent, traditionally this is lactose, water or ethanol.
N	C168632	SPL UCUM Terminology	s	SECOND	C42535	Second	A unit of time, one of the seven base units of the International System of Units (Systeme International d'Unites, SI). The second is the duration of 919 263 177 0 periods of the specified light radiation corresponding to the transition between the two hyperfine levels of the caesium 133 atom in its ground state at 0 K. According to the convention, 60 seconds constitute one minute; 3,600 seconds constitute one hour.
N	C168632	SPL UCUM Terminology	cm2	SQUARE CENTIMETER	C48460	Square Centimeter	A CGS unit of area measurement equal to a square measuring one centimeter on each side. One square centimeter is equal to 10E-4 square meter.
N	C168632	SPL UCUM Terminology	[TCID_50]	TISSUE CULTURE INFECTIOUS DOSE 50%	C67450	Tissue Culture Infectious Dose 50%	A potency unit defined as a minimal dose of infectious material at which preparation causes cytopathic effects (changes in the morphology and metabolism of tissue culture cells, indicating cell death, due to suspected infection) in the 50% of the tissue culture-containing flasks inoculated with that dilution of infectious material in the product potency assay or pathogen activity assay.
N	C168632	SPL UCUM Terminology	U	UNIT - CATALYTIC ACTIVITY	C44278	Unit	A single undivided thing occurring in the composition of something else.
N	C168632	SPL UCUM Terminology	[USP'U]	UNITED STATES PHARMACOPEIA UNIT	C48469	United States Pharmacopeia Unit	An arbitrary unit for the measurement of the biologic activity of antibiotics, endocrine preparations, sera, toxins, vaccines, and related products established by the United States Pharmacopeia (USP), the official public standards-setting authority for all prescription and over-the-counter medicines, dietary supplements, and other healthcare products manufactured and sold in the US. For each substance to which this unit applies, USP determines a Reference Standard and a specified assay. If the standard is the same as the WHO-approved International Biological Reference Preparation, and the same assay procedure was used for the biological effect evaluation, the USP unit is considered equal to International Unit.
N	C168632	SPL UCUM Terminology	wk	WEEK	C29844	Week	Any period of seven consecutive days.
N	C168632	SPL UCUM Terminology	a	YEAR	C29848	Year	A period of time that it takes for Earth to make a complete revolution around the sun, approximately 365 days; a specific one year period.