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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