Sperm maturation arrest

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Maturation arrest of human oocytes as a cause of infertility: case report




Pathology Outlines - Maturation arrest
Sertoli cells. Cite this page: Al-Hussain T. Heat may also be the cause of oligozoospermia which can lead to both partial and reversible spermatogenic arrest. Complete maturation arrest : germ cell maturity ceases at a specific point frequently at primary spermatocyte level; sperm counts usually zero Incomplete maturation arrest : similar to complete but a few late spermatids are present in a few seminiferous tubules, some prefer the term hypospermatogenesis instead of incomplete maturation arrest Arch Pathol Lab Med ; ; patients are usually oligospermic Same etiologies as hypospermatogenesis diabetes mellitus, toxins, excess heat, varicocele, hypothyroidism, irradiation ; also postpubertal gonadotropin deficiency, alkylating agents Nonzero sperm counts indicate late spermatids are present somewhere in testis, although perhaps not in area biopsied Patients with early maturation arrest have a greater incidence of genetic anomalies and are more likely to have worse reproductive outcomes than are patients with late maturation arrest Urology ;






Spermatogenesis arrest




Description: Cite this page: Al-Hussain T. FSH uses very specific G-coupled receptors that can be found only on Sertoli cells , this hormone is secreted by the pituitary gland , located in the brain. Spermatogenic arrest results in either oligospermia or azoospermia as mentioned above. Maturation arrest. Those who experience less than rads will recover in 9—18 months, doses of rads will recover in 30 months and doses of rads will recover in less than or equal to five years.
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Date: 20.06.2019
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