(1) Intact rams exhibited GH secretory episodes of greater (P less than 0.01) amplitude than did castrated lambs.
(2) Positive feedback effects on serum gonadotrophins in castrates were observed following injection of certain doses of some steroids.
(3) In contrast, castration during pseudopregnancy did not abolish the secondary peaks.
(4) No specific labeling could be detected in the adrenocorticotrophs of adrenalectomized rats or gonadotrophs (castration cells) of castrated rats.
(5) In a final experiment, prostatic atrophy in castrate rats was not enhanced by either adrenalectomy or flutamide treatment.
(6) Castrated rams did not show this increase, with or without supplementary testosterone.
(7) Naloxone also prevented testosterone's negative feedback inhibition of serum LH in the castrated male rat.
(8) Moreover, the levels of these parameters were comparable in tumours whether implanted in non-castrated or gonadectomized animals.
(9) Castration of male rats results in a decrease in submandibular gland RSKG-7 mRNA, which can be restored to the normal level by treatment with thyroxine or testosterone.
(10) In vivo administration of anti-EGF antibody or anti-TGF-alpha antibody significantly reduced estrogen-induced labelling index in castrated mouse uterus.
(11) In castrates, the prostatic stroma became thickened, with a large increase in fibrous material between and surrounding each acinus, although smooth muscle cells retained their normal cytology.
(12) Median survival was significantly prolonged in primed animals 191 vs 40 days for untreated animals and 150 days for the nonprimed castration + chemotherapy animals (P less than 0.02).
(13) Adreno-cortical compensation of the concentration of the hormone did not occur in the post-castration period.
(14) Rat dorsal prostate epithelium was studied in intact adult animals, in animals castrated for three days and in rats after inhibition of prolactin secretion.
(15) The ability of melatonin to influence LH pulse frequency in entire and castrated rams indicated that an effect of melatonin on the hypothalamic pulse generator is independent of testicular steroids.
(16) The treatment with supraphysiological doses of the gonadotropin releasing hormone analogue Buserelin results in the suppression of serum testosterone to castration range with a probability of 95% after 28 days.
(17) To determine the effect of photoperiod on substance P, peptide containing neurons were counted in (1) enucleates (n = 6), (2) enucleated castrates treated with testosterone (n = 6), (3) castrates treated with testosterone (n = 4), and (4) intact controls (n = 6).
(18) In addition, there was a marginally significant (P less than 0.1) relationship between prolactin secretion in the castrate ram and the stage of testicular activity in the entire rams with elevated levels associated with regressed activity.
(19) In terms of total cellular receptor content, initial levels were higher in castrate animals, but rapidly fell to intact levels within an hour following estradiol injection.
(20) The effect of naloxone administration on the LH-RH secretion in hypophyseal portal blood and LH secretion in peripheral blood was studied in four short term castrated rams (between 2 to 4 days after castration).
Orchiectomy
Definition:
Example Sentences:
(1) However, the presence of these two molecules was restored if testosterone was supplemented immediately after orchiectomy.
(2) Right orchiectomy and retroperitoneal lymph node dissection for embryonal carcinoma had been performed 5 years earlier.
(3) The lesion presented as a discrete, palpable mass that led to orchiectomy.
(4) Two patients in S group (8.7%) relapsed at 4 and 7 months after orchiectomy with nonbulky retroperitoneal disease (less than 5 cm in diameter), whereas only 1 (3.7%) irradiated patients did so after 4 months.
(5) We report a retrospective review of our experience with close observation after orchiectomy in clinical stage I nonseminomatous germ cell tumors (NSGCT) of the testis during a 10-year period.
(6) We currently recommend radical orchiectomy and extended unilateral retroperitoneal lymphadenectomy.
(7) We report here in the interim analysis of an ongoing randomized clinical trial designed to test whether androgen priming enhances tumor chemosensitivity in men with stage D prostate cancer refractory to orchiectomy.
(8) However, the initial rapid decrease in serum testosterone and the striking positive clinical effect may possibly be utilized combined with orchiectomy or treatment with LHRH agonist analogues.
(9) The Authors describe an orchiectomy in an adult and a simple enucleation of the cyst in a young man; in the end the Authors draw their conclusion.
(10) An 81-year-old man with a painless enlargement of the right testis which developed 11 years ago was treated with right orchiectomy without any combined therapy in 1981.
(11) The patient showed spontaneous regression of pulmonary metastasis and is well 7 years after orchiectomy and irradiation of abdominal lymph nodes.
(12) We believe that "watchful waiting" after high orchiectomy alone is the best modality for all cases of stage 1 yolk sac tumor of the infantile testis.
(13) In patients with clinical stage I disease for whom a wait-and-see policy after orchiectomy is adopted at our institute both methods must be considered mandatory.
(14) Radical inguinal orchiectomy is standard treatment for a firm, intratesticular mass.
(15) Of 16 postpubertal patients evaluated following testicular torsion 9 were treated with detorsion and bilateral orchiopexy (detorsion group), and 7 were treated with ipsilateral orchiectomy and contralateral orchiopexy (orchiectomy group).
(16) The patient underwent right orchiectomy on December 23, 1987.
(17) Two-thirds of the patients with recurrence received hormonal therapy, including bilateral orchiectomy.
(18) Right radical orchiectomy was done and histological examination revealed malignant lymphoma of the testis (diffuse lymphoma, mixed type).
(19) Race, stage at initial diagnosis, prior radiation therapy, prior orchiectomy, and elevation of CEA had no prognostic association.
(20) 85% of these cases, reported in the literature, are treated with an orchiectomy.