Ultrastructure of the Human Testis from Birth to Senility
(2017)
Ultrastructure of the Human Testis from Birth to Senility: pp.
155-210.
PART III: THE AGING TESTIS
The following sections are included:
-
FIGURE 58. TESTICULAR INVOLUTION WITH AGING
-
FIGURE 59. STAGES OF SEMINIFEROUS TUBULES INVOLUTION
-
FIGURE 60. GERM CELL DEATH AND SLOUGHING
-
FIGURE 61. SPERMATOGONIAL ANOMALIES
-
FIGURE 62. SPERMATOCYTE ANOMALIES
-
FIGURE 63. DISLOCATED AND MULTINUCLEATE SPERMATIDS
-
FIGURE 64. SPERMATIDS WITH ACROSOMAL MALFORMATIONS
-
FIGURE 65. SPERMATIDS WITH NUCLEAR AND CYTOPLASMIC MALFORMATIONS
-
FIGURE 66. SPERMATOZOON MALFORMATIONS
-
FIGURE 67. COLIED TAILS AND BIFLAGELLATE SPERMATOZOA
-
FIGURE 68. SERTOLI CELLS ANOMALIES: LIPIDS AND VACUOLES
-
FIGURE 69. SERTOLI CELLS ANOMALIES: EXTENSIVE JUNCTIONAL
SPECIALIZATIONS AND MULTINUCLEATION
-
FIGURE 70. SERTOLI CELL ANOMALIES: MITOCHONDRIAL METAPLASIA AND DEDIFFERENTIATION
-
FIGURE 71. SERTOLI CELL ANOMALIES: KERATIN EXPRESSION AND DECREASE IN VIMENTIN
-
FIGURE 72. TUNICA PROPRIA ANOMALIES: COLLAGENIZATION AND BASAL LAMINA ALTERATIONS
-
FIGURE 73. TUNICA PROPRIA ANOMALIES: DECREASED ACTIN AND DESMIN EXPRESSION
-
FIGURE 74. LEYDIG CELL ALTERATIONS: MULTINUCLEATION AND INCREASED LIPOFUSCIN CONTENT
-
FIGURE 75. LEYDIG CELL ALTERATIONS: MULTIVACUOLATED, LIPID-LOADED CELLS
-
FIGURE 76. LEYDIG CELL ALTERATIONS: INCREASED REINKE’S CRYSTALS AND PARACRYSTALLINE INCLUSIONS
-
FIGURE 77. LEYDIG CELL ALTERATIONS: INTRANUCLEAR INCLUSIONS AND DEDIFFERENTIATION
-
FIGURE 78. LEYDIG CELL ALTERATIONS: DIMINISHED TESTOSTERONE SYNTHESIS