Testicle and sperm of ram

Figure 1: cross-section of seed vessel in seed ball (testicle)

Figures 2: close-up of seed vessel showing string, skirt, and seed vessel

Figure 3: cross-section of epididymis showing dried region, lower left

Figure 4: cross-section of seed ball (testicle) adjoining epididymis in Figure 3 showing differences in composition

Figure 5: ram sperm through the same magnifying glass as the earlier figures, showing relative sizes.