Figure 1
From: Morphology and head morphometric characters of sperm in Thai native crossbred stallions
Scanning electron microscopy of Thai native crossbreed stallion sperm; a – normal sperm (top) and loose narrow head (below); b – narrow head with proximal cytoplasmic droplet; c – round head; d – acrosomal defect; e – acrosomal defect and bent tail and f – proximal cytoplasmic droplet with coiled tail (a-e – 2000×, bar = 10 micrometers; f – 3600x, bar = 1 micrometers).