(n.) A male horse not castrated; a male horse kept for breeding.
Example Sentences:
(1) in horses is imputed to the small numbers of people involved in the work, to the conservation of the authorities responsible for breeding, to the wrong choice of stallions for A.I.
(2) Detection of estrus in mares is problematic in that it requires the presence (or at least facsimile acoustic or tactile stimuli) or a stallion.
(3) Similar to other seasonal breeders, it appears that stallions may possess an endogenous circannual rhythm in reproductive function that is subject to manipulation by altering the light:dark ratio, i.e., photoperiod.
(4) It's so magnificent, like the swishing mane of a thoroughbred stallion … Too late, snip snip, off it comes.
(5) A 10-year-old Appaloosa stallion was referred for evaluation of colic.
(6) Ultrasonographic images of the accessory sex glands of 8 stallions were recorded immediately prior to sexual preparation, immediately after sexual preparation, and immediately after ejaculation.
(7) Hormonal effects of prolonged administration of gonadotrophin-releasing hormone (GnRH) were investigated in 7 fertile stallions in winter and summer.
(8) It was concluded, therefore, that hydrogen ion extenders depress fertilizing capacity of stallion spermatozoa immediately after extension and show little promise as semen extenders for short- or long-term storage of stallion semen.
(9) The spermatozoa in about 200 ejaculates from 36 stallions were examined to compare their survival time, motility and velocity before and after thawing.
(10) Repeated bacteriological examinations need to be undertaken before it can be concluded that a stallion is free of infection.
(11) Chapter 1: imagine your hopes and dreams are a galloping stallion, wild and untamed.
(12) It is concluded that intratesticular testosterone increases with age, is related in a positive manner to quantitative rates of sperm production, and can account for some of the differences in sperm production among individual stallions within a single breeding season.
(13) Four pony mares were readily infected with the organism of contagious equine metritis by intracervical inoculation and one by coitus with an infected stallion.
(14) Only in the oldest stallion (32 years) was there a significant lowering of fertility.
(15) Among 29 offspring in two stallion families there was evidence for one recombinant.
(16) Stallions may also harbor EAV in the genital tract and transmit the virus to mares during coitus.
(17) In the bull and ram, nucleolytic enzymes were found to be secreted by the seminal vesicles but in the boar, rabbit and stallion they originate mostly from the epididymis.
(18) The application of a long-day photoperiod (16 hours light:8 hours dark) in December, following 20 weeks of short days (8 hours light:16 hours dark), was effective in hastening the seasonal sexual recrudescence of stallions but was not effective in prolonging the interval of heightened reproductive capacity.
(19) A Thoroughbred stallion with erectile dysfunction following paraphimosis was managed to allow consistent ejaculation.
(20) Transmission of EAV infection by long-term carrier stallions would appear to occur solely by the venereal route.
Virile
Definition:
(a.) Having the nature, properties, or qualities, of an adult man; characteristic of developed manhood; hence, masterful; forceful; specifically, capable of begetting; -- opposed to womanly, feminine, and puerile; as, virile age, virile power, virile organs.
Example Sentences:
(1) Early prenatal suppression of the fetal adrenal cortex with fluorinated corticosteroids can prevent virilization of female fetuses with 21-hydroxylase deficiency.
(2) The patient showed no virilization, but did show elevated serum alpha-fetoprotein (AFP) levels.
(3) In histologically proven hyperthecosis, signs of virilism were absent in 6 cases.
(4) Lacl of masculinization in female infants whose virilized mothers have h. luteinalis is in contrast to the common finding of fetal masculinization when maternal virilization occurs with luteoma of pregnancy.
(5) Cognitive studies of congenital adrenal hyperplasia (CAH) patients have revealed (1) the presence of an IQ advantage in patients, siblings and parents due to socioeconomic status, genetic, hormonal, or other factors; (2) an IQ disadvantage in salt wasters compared with simple virilizers, probably due to early brain damage secondary to salt-wasting crisis; (3) a possibly increased incidence of learning disabilities, particularly in female patients and particularly for calculation abilities, due to disease-related early androgen exposure; and (4) a possible post-pubertal spatial advantage in CAH women, also due to early androgen exposure.
(6) The genetic, biochemical, clinical and endocrinological features of four distinct syndromes are described in which defective virilization in genetic and gondal men appears to result from resistance to androgen action.
(7) Testosterone, 5alpha-androstane-3alpha, 17beta-diol (3alpha-diol), and dihydrotestosterone (DHT) virilize the anlagen of the mammary gland by suppressing nipple formation but 5alpha-androstane-3beta, 17beta-diol, androsterone, and dehydroepiandrosterone sulfate do not affect female mammary differentiation.
(8) Beside the hypertension, an extreme virilization appeared.
(9) We describe a case of adrenal myelolipoma that simulated clinically and biochemically a virilizing adrenal tumor.
(10) After removal of the luteoma in week 32 of pregnancy, the virilizing symptoms of the mother completely regressed.
(11) Two enzymatic defects in the zona fasciculata, 11 beta- and 17 alpha-hydroxylase deficiency, can be first readily identified by the virilization in the former, hypogonadal features in the latter.
(12) An adrenal carcinosarcoma is reported in a 29-year-old female presenting with clinical signs of virilization.
(13) Sertoli-Leydig cell tumors of the ovary are rare neoplasms of young women and are best known for their frequent virilizing effects.
(14) The reconstruction of the virilized genitalia in females with adrenogenital syndrome (AGS) is carried out sparing the dorsal neurovascular bundle either through clitoral recession or reduction with simultaneous vaginoplasty and clitoroplasty.
(15) The most active virilizing steroid in this group was stanozolol followed by oxymetholone, methyl-testosterone and dimethysterone.
(16) The absence of a virilizing action is duly pointed out.
(17) A Leydig (Hilus)-cell tumor of the ovary was diagnosed in a 54-year-old woman with severe hirsutism and virilization.
(18) Its breeding programme is probably doomed by a combination of regulation (Californian authorities last year refused redevelopment plans for its San Diego site unless it stopped breeding orcas) and the fact that its virile male, Tilikum, appears to be dying .
(19) However, the basal s HY Ag value is sometimes increased in the absence of any testicular tissue, as in virilized females (21-hydroxylase deficiency, idiopathic or ovarian hirsutism).
(20) The combination of a myelolipoma and a true adenoma has only been described once before (in a case of virilization) and never in connection with Cushing's syndrome.