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Table 1 Volumes of the segmented structures given in cubic micrometers and as a percentage of the total body volume (TBV)

From: X-ray imaging of a water bear offers a new look at tardigrade internal anatomy

Structure Volume (μm3) Volume (% TBV)
Total body volume 137,414.81 100.00
Midgut + hindgut 13,705.79 9.97
Storage cellsa,b 6599.35 4.80
Salivary glandsa 2273.69 1.65
Pharynx 1770.55 1.29
Brain 1392.90 1.01
Ovary 1325.64 0.96
Malpighian tubulesa 1133.05 0.82
Claw glandsa,c 711.34 0.52
Esophagus 162.06 0.12
  1. aGiven volume represents the total of all individual structures
  2. bFor volume distribution of individual cells, see Fig. 4
  3. cIndividual claw glands range in volume from 66.8–107.6 μm3