Four Cases of Low Chiasma Frequency Diagnosed in Semen

Cristina Templado; S. Marina; F. Suarez Canal; E. Gil‐Vernet; L. Izquierdo; J. Egozcue

doi:10.1111/j.1365-2605.1978.tb00588.x

Four Cases of Low Chiasma Frequency Diagnosed in Semen

Cristina Templado, S. Marina, F. Suarez Canal, E. Gil‐Vernet, L. Izquierdo, J. Egozcue

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Abstract

Four cases of low chiasma frequency have been detected using a technique to study meiosis in semen. Three of the patients showed desynapsis and fragmentation of the bivalents. In the fourth case, desynapsis was probably due to an abnormal despiralization of the bivalents. None of the patients had a spermatogenic arrest. Banding studies did not permit to identify the chromosomal fragments. The incidence of oligochiasmatic males in our semen and testicular biopsy series is about 2.5%. The advantages of the method are discussed. Copyright © 1978, Wiley Blackwell. All rights reserved

Original language	English
Pages (from-to)	153-161
Journal	International Journal of Andrology
Volume	1
Issue number	1-6
DOIs	https://doi.org/10.1111/j.1365-2605.1978.tb00588.x
Publication status	Published - 1 Jan 1978

Keywords

abnormal meiosis
desynapsis
infertility
low chiasma frequency

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10.1111/j.1365-2605.1978.tb00588.x

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title = "Four Cases of Low Chiasma Frequency Diagnosed in Semen",

abstract = "Four cases of low chiasma frequency have been detected using a technique to study meiosis in semen. Three of the patients showed desynapsis and fragmentation of the bivalents. In the fourth case, desynapsis was probably due to an abnormal despiralization of the bivalents. None of the patients had a spermatogenic arrest. Banding studies did not permit to identify the chromosomal fragments. The incidence of oligochiasmatic males in our semen and testicular biopsy series is about 2.5%. The advantages of the method are discussed. Copyright {\textcopyright} 1978, Wiley Blackwell. All rights reserved",

keywords = "abnormal meiosis, desynapsis, infertility, low chiasma frequency",

author = "Cristina Templado and S. Marina and Canal, {F. Suarez} and E. Gil‐Vernet and L. Izquierdo and J. Egozcue",

year = "1978",

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T1 - Four Cases of Low Chiasma Frequency Diagnosed in Semen

AU - Templado, Cristina

AU - Marina, S.

AU - Canal, F. Suarez

AU - Gil‐Vernet, E.

AU - Izquierdo, L.

AU - Egozcue, J.

PY - 1978/1/1

Y1 - 1978/1/1

N2 - Four cases of low chiasma frequency have been detected using a technique to study meiosis in semen. Three of the patients showed desynapsis and fragmentation of the bivalents. In the fourth case, desynapsis was probably due to an abnormal despiralization of the bivalents. None of the patients had a spermatogenic arrest. Banding studies did not permit to identify the chromosomal fragments. The incidence of oligochiasmatic males in our semen and testicular biopsy series is about 2.5%. The advantages of the method are discussed. Copyright © 1978, Wiley Blackwell. All rights reserved

AB - Four cases of low chiasma frequency have been detected using a technique to study meiosis in semen. Three of the patients showed desynapsis and fragmentation of the bivalents. In the fourth case, desynapsis was probably due to an abnormal despiralization of the bivalents. None of the patients had a spermatogenic arrest. Banding studies did not permit to identify the chromosomal fragments. The incidence of oligochiasmatic males in our semen and testicular biopsy series is about 2.5%. The advantages of the method are discussed. Copyright © 1978, Wiley Blackwell. All rights reserved

KW - abnormal meiosis

KW - desynapsis

KW - infertility

KW - low chiasma frequency

U2 - 10.1111/j.1365-2605.1978.tb00588.x

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M3 - Article

VL - 1

SP - 153

EP - 161

IS - 1-6

ER -

Four Cases of Low Chiasma Frequency Diagnosed in Semen

Abstract

Keywords

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