What is the difference between a cross section and a longitudinal section?
In a cross-sectional study you collect data from a population at a specific point in time; in a longitudinal study you repeatedly collect data from the same sample over an extended period of time.
What is a longitudinal section in biology?
Longitudinal section: a cut that is parallel to the longest dimension of the organ or specimen. Oblique section: a cut that is at any angle between the longitudinal and transverse planes. Cross, or transverse, section: a cut that is perpendicular to the main plane of the organ or specimen.
What is cross section in biology?
Cross-section: In anatomy, a transverse cut through a structure or tissue. The opposite is longitudinal section.
What is the difference between longitudinal and transverse section?
What is the difference between Longitudinal and Transverse Section? Longitudinal section runs through the anterior posterior axis, whereas the transverse section goes between lateral ends. Longitudinal sections are usually longer than transverse sections.
What is the difference between cross-section and transverse section?
The transverse section is done in a perpendicular alignment whereas the cross section is done not in the preferred direction. The transverse section is done by slicing the object by using the imaging technique whereas cross section is done by cutting the object in slices which makes the objects in the parallel.
Is cross-sectional or longitudinal better?
longitudinal study
The benefit of a cross-sectional study design is that it allows researchers to compare many different variables at the same time. In a longitudinal study, researchers conduct several observations of the same test subjects over a period of time that could last many years.
What is cross-sectional imaging mean?
Cross Sectional Imaging is a discipline of radiology that encompasses the use of a number of advanced imaging techniques that feature in common the ability to image the body in cross section. This discipline typically focuses on the diagnosis and characterization of abnormalities of chest, abdomen, and pelvis.
What is sectional anatomy?
Sectional anatomy is the subject to identify and learn the normal body structures in sectional planes (usually, horizontal planes).
What is the difference between cross-sectional and cross sequential research?
With cross-sectional, we look at a whole bunch of groups right now. With sequential, we look at a whole bunch of groups over time.
What is the difference between longitudinal and cross – sectional?
What is a Longitudinal Study – Definition,Features,Method
What is cross – sectional and longitudinal?
They are effective in determining variable patterns over time.
What are longitudinal and cross sectional studies?
12. Shimokata H, Andres R, Coon PJ, Elahi D, Muller DC, Tobin JD. Studies in the distribution of body fat. II. Longitudinal effects of change in weight. Int J Obes. 1989;13:455–64. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=reference&D=emed2&NEWS=N&AN
What does longitudinal section mean?
longitudinal section. In ship-building, a line which cuts the draught of a vessel lengthwise.
https://www.youtube.com/watch?v=JRomajxM2Rw