By Lars Bjorndahl, David Mortimer, Christopher L. R. Barratt, Jose Antonio Castilla, Roelof Menkveld, Ulrik Kvist, Juan G. Alvarez, Trine B. Haugen
This sensible, broadly illustrated instruction manual covers the methods which are undertaken in andrology and artwork laboratories to examine and investigate male-factor infertility, and to arrange spermatozoa to be used in assisted perception remedy. The content material is gifted as short, authoritative overviews of the appropriate organic history for every sector, plus precise, step by step descriptions of the suitable analytical systems. each one technical part comprises pertinent qc concerns, in addition to the optimal presentation of effects. as well as the excellent 'basic' semen research, incorporating cautious research of sperm morphology, the instruction manual offers tested suggestions for using computer-aided sperm research and sperm practical overview. through the guide the translation of laboratory ends up in the medical context is highlighted, and secure laboratory perform is emphasised. it truly is a useful source to all scientists and technicians who practice diagnostic checking out for male-factor infertility.
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Extra resources for A Practical Guide to Basic Laboratory Andrology
Electric stimulation of the hypogastric plexus or hypogastric nerves results in contractions in the distal cauda, vas deferens, the seminal vesicles, the ejaculatory ducts, the prostate, and the bladder neck. By rectal electro-stimulation, various parts of the system can be activated to cause emission without the normal ejaculatory sequence. The smooth muscles in the whole system respond to noradrenergic α1-stimulation. g. g. phenylpropanolamine, as used against oedema in the nasal mucosa). The adrenergic neurons are inhibited by the cholinergic neurons that stimulate secretion.
This extension evokes somatic reﬂexes of rhythmic contractions in the bulbo- and ischio-cavernosus muscles and also in the muscles of the pelvic ﬂoor. The bulbo-cavernosus muscle surrounds the corpus spongiosum of the penis and inserts into the corpus cavernosum on both sides. The ischio-cavernosus muscle inserts into the crus of the penis on both sides. These striated muscles of the perineum are innervated by the pudendal nerve. Note that whereas emission is controlled by autonomic nerves, ejaculation is governed by striated muscles under voluntary control.
1 shows an overview of the entire recommended working process for basic semen analysis: following the recommended order for the diﬀerent component procedures will provide a basis for eﬃcient and high quality working . 1 The component analytical procedures of a complete semen analysis are a sequence optimized for eﬃciency and quality in the laboratory work. Details of the individual procedures are given in this, and following chapters. Some steps can be considered optional. Time from ejaculation Procedure Immediately Weigh the sample container with the semen sample, ascertain correct labeling, and place it in 37°C incubator.
A Practical Guide to Basic Laboratory Andrology by Lars Bjorndahl, David Mortimer, Christopher L. R. Barratt, Jose Antonio Castilla, Roelof Menkveld, Ulrik Kvist, Juan G. Alvarez, Trine B. Haugen