. Fig. i i6—Spermatozoa from Bull No. 7. Many with small heads and atrophic nucleus. epithelial debris. A firm coagulum appeared almost imme- diately after obtained, leaving the main part of the mucus colorless and translucent. Sperm cells, entirely non-motile, were present in numbers not to exceed twenty-five to fifty per cent, of normal. Fifty per cent, of the spermatozoa were without tails. Almost all were microcephalic, espe- cially those which were tailless. In these there was a very marked diminution in size and uniform tapering of the basal portion of the head. In most heads the nuclear
. Fig. i i6—Spermatozoa from Bull No. 7. Many with small heads and atrophic nucleus. epithelial debris. A firm coagulum appeared almost imme- diately after obtained, leaving the main part of the mucus colorless and translucent. Sperm cells, entirely non-motile, were present in numbers not to exceed twenty-five to fifty per cent, of normal. Fifty per cent, of the spermatozoa were without tails. Almost all were microcephalic, espe- cially those which were tailless. In these there was a very marked diminution in size and uniform tapering of the basal portion of the head. In most heads the nuclear por-
Size: 2509px × 1993px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjecthorses, bookyear1921
