specimen. (Science: microscopy)
A piece or portion of a sample selected for examination
. The specimen may, or may not be representative, whereas the sample may have been selected to be representative.
What is specimen in research?
Sample (material), a limited quantity of something which is intended to be similar to and represent a larger amount.
Biological specimen
or biospecimen, an organic specimen held by a biorepository for research. Laboratory specimen, a biological specimen taken by sampling.
What is called a specimen?
A specimen is
a sample of something
, like a specimen of blood or body tissue that is taken for medical testing. The noun specimen comes from the Latin word specere, meaning “to look.” Biologists collect specimens so they can get a better look at something to study it.
What is the meaning of biological specimen?
A biological specimen (also called a biospecimen) is
a biological laboratory specimen held by a biorepository for research
. Such a specimen would be taken by sampling so as to be representative of any other specimen taken from the source of the specimen.
What is a human specimen?
A human biological specimen is
any material derived from a human such as blood, urine, tissues, organs, saliva
, DNA/RNA, hair, nail clippings, or any other cells or fluids-whether. collected for research purposes or as residual specimens from diagnostic, therapeutic, or. surgical procedures.
What are the different types of specimen?
There are several types of specimens recommended for diagnosis of immunological diseases including:
serum samples
, virology swab samples, biopsy and necropsy tissue, cerebrospinal fluid, whole blood for PCR, and urine samples.
Why do we collect specimen in biology?
Through collection and preservation efforts,
new species are found and described
. … Specimens in museums, along with the data provided on the specimen labels constitute an historic record of biological diversity and can be used to document changes in distribution and abundance of species over time.
What are the two main types of microscope?
- Stereoscope (or Stereo Microscope)
- Compound Microscope.
- Confocal Microscope.
What is sample and specimen?
As nouns the difference between specimen and sample
is that
specimen is an individual instance that represents a class
; an example while sample is a part of anything taken or presented for inspection, or shown as evidence of the quality of the whole; a specimen; as, goods are often purchased by samples.
What is physical specimen?
countable noun. A specimen is
a single plant or animal which
is an example of a particular species or type and is examined by scientists.
What are the examples of biological specimen?
Biological Samples means biological samples (e.g.,
blood, urine, tissue, saliva, etc.
) obtained from Trial Subjects.
What is specimen method?
Introduction: “Specimen Method”, where a specimen is the whole or a part of an organism, plant, rock, etc. collected and preserved as an example of its class, species and so on, and used
as a representative to study the properties of the whole population of the species or subspecies
.
What is clinical specimen?
Clinical samples are mainly distinguished into two types:
solid or liquid
. Solid samples include pieces of tissues harvested during biopsies or surgery and can be either fresh or fixed in a fixative. Liquid samples include bodily fluids such as blood or urine.
Can a specimen be a human?
Human specimens obtained from surgery, such as periretinal membranes, vitreous aspirates, and enucleated eyes, provide information about the pathophysiology of open-globe injury.
Is a person a specimen?
An individual, item, or part representative of a class or whole. The definition of a specimen is a
person or thing
that is an example of an entire group or class. An example of a specimen is the Holstein cow in a child’s book as a representative of all cows.
Is blood specimen?
Venous blood
is the specimen of choice for most routine laboratory tests. The blood is obtained by direct puncture to a vein, most often located in the antecubital area of the arm or the back (top) of the hand.
