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Table 1 Sperm morphometry parameter measurements* (average ± SD) of the sperm head, midpiece and tail

From: Sperm structure and motility in the eusocial naked mole-rat, Heterocephalus glaber: a case of degenerative orthogenesis in the absence of sperm competition?

Parameter Measurement
Head:  
Length (μm) 3.98 ± 0.35
Width (μm) 2.25 ± 0.15
Area (μm2) 7.47 ± 0.92
Perimeter (μm) 11.52 ± 0.81
Ellipticity 4.27 ± 0.35
Elongation 0.27 ± 0.04
Midpiece:  
Length (μm) 1.09 ± 0.10
Width (μm) 1.09 ± 0.11
Area (μm2) 1.10 ± 0.19
Perimeter (μm) 4.25 ± 0.38
Tail:  
Length (μm) 28.06 ± 3.13
  1. *Data are combined for breeders, subordinates and dispersers.