DEXA for Body Composition: BMC, FAT, LEAN

DEXA scanning is a nondestructive technology to precisely and accurately measure many parameters of whole-body composition in small animals. Originally designed for noninvasive measurement of bone density, DEXA is now also widely used for body composition measurements.

  • DEXA provides excellent reproducibility of data in both lean and obese lab animals.
  • DEXA mouse body composition measures correlate well to chemical analysis measures,  but DEXA is a much faster process and assesses body composition in vivo.
  • Body composition analysis by DEXA is based on the characteristic “signatures” of differential attenuation of low and high energy X-rays by specific tissues.
  • To analyze a particular substance (eg, BMD, BMC, FAT, LEAN), researchers work with the dual energy X-ray characteristics of the material to be analyzed in order to obtain mass values in a sample.

DEXA InAlyzer study of body composition of a rat

The advanced software overlays the area calculated for bone, lean tissue, and fat tissue on a single image for the entire animal.

Body composition measurement result

The software can analyze the entire composition, and specific regions of interest drawn by the end user to explore certain regions of the body.

DEXA body composition view

Body composition view

Body composition images are provided in color to be easily checked for areas with high body fat ratio.

DEXA tissue view

Tissue view

Select from various analytical images, including super-resolution X-ray image, bone image, tissue image, and body composition image.

Related Articles

What is DEXA?

DEXA (DXA) or Dual Energy X-Ray Absorptiometry is a non-invasive imaging modality based on exploiting the difference in the X-Ray attenuation of tissue and bone

Bone Mineral Density: Volumetric versus Areal

Volumetric density is mathematically defined as the mass per unit volume, i.e grams/cm3. Areal density, is derived from area based measurements and thus has units

Not sure if DEXA will work for your application?
Do you want to see DEXA results from your sample?
Our specialists are happy to help.

Not sure if DEXA will work for your application?
Do you want to see DEXA results from your sample?
Our specialists are happy to help.

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    DEXA Buyers' Guide






      Free DEXA Evaluation Scan

      Are you interested in DEXA scanning but aren’t sure if it will work for your application?  We would be happy to help you determine if an InAlyer DEXA system is right for you and suited for your application. Our Micro Photonics Laboratory has an InAlyzer DEXA system available for a thorough investigation of your sample.

      Request DEXA scan

      Send in a sample and our DEXA experts will do the rest. We will measure bone mineral density or body composition, based on your sample and the results you are seeking.

      Because we cannot accept live animals at this time, we are accepting:

      • Soft tissue sample in preservative
      • Bone specimen

      Fill out the form below and will we contact you to arrange your free DEXA scan.







        Talk to a DEXA specialist about your application

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