(a.) Seed-bearing; producing seed; pertaining to, or connected with, the formation of semen; as, seminiferous cells or vesicles.
Example Sentences:
(1) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(2) Developing seminiferous tubules and interstitial cells were first seen on day 26, and were well established one day later.
(3) After 35 and 43 days, spermatogenesis was complete in 99.6% of the tubular cross sections, and most tubular cross sections were in stages IV-VII of the cycle of the seminiferous epithelium.
(4) In the following days, CK 8, CK 18 and CK 19 were detected in Sertoli cells in the differentiating seminiferous cords, but progressively the reactivity for CK 19 decreased and was no longer observed after 18.5-19.5 days of gestation.
(5) The ultrastructural study of nucleoli and ribonucleoprotein-containing structures in human seminiferous tubules revealed that the nucleoli of spermatogonia, spermatocytes and Sertoli cells exhibited a tripartite structure consisting of: a fibrillar center, a compact granular portion, and a reticular portion containing both pars fibrosa and pars granulosa.
(6) Degenerating seminiferous tubules and areas of cellular connective tissue are located underneath or within the tunica albuginea.
(7) The low mitotic index of type A0 spermatogonia (0.1%) indicated that these cells were not actively involved in the production of spermatogonia or spermatocytes during each cycle of the seminiferous epithelium and thus were considered as reserve stem cells.
(8) Testicular atrophy in myotonic dystrophy is caused by a primary and progressive atrophy of the seminiferous tubules.
(9) Seminiferous tubules from adult animals and germ cells at the meiotic and post-meiotic stage of differentiation possessed two enzyme forms that could be distinguished from those present in somatic cells of the seminiferous tubules: (a) a calcium-calmodulin-dependent form with high affinity for both cAMP and cGMP, similar to forms described in other tissues from different species, and (b) a calcium-calmodulin-independent phosphodiesterase with high affinity for cAMP and present only in post-meiotic cells, previously identified also in germ cells of the rat.
(10) UC increased the mean diameter of seminiferous tubules by 21% (p less than 0.01) and of their lumina by 51% (p less than 0.01), but did not significantly increase mean height of seminiferous epithelium or estimated length of seminiferous tubules per testis.
(11) There was also a proliferation of the germinal cells, and a number of mitotic figures were observable in the seminiferous tissue.
(12) Mitotic index was determined in whole mounts of segments of seminiferous tubules of (101 X C3Hf)F1 male mice at 3 hr intervals from 18.00 to 06.00 hours, and at hourly intervals from 08.00 to 16.00 hours.
(13) The activities of five glycosidases (beta-N-acetylhexosaminidase, alpha-L-fucosidase, beta-D-galactosidase, alpha-D-glucosidase and alpha-D-mannosidase) were also investigated in the seminiferous tubules and interstitial tissues.
(14) We show that AMH reproduces the caracteristical "freemartin effect"; namely the initial inhibition of gonadal and germ cell development, and the differentiation of fetal Sertoli cells forming seminiferous cord-like structures and producing immuno and bioactive AMH.
(15) Extensive necrossis and exfoliation of the seminiferous elements were conspicuous.
(16) Otherwise, seminiferous tubules were histologically normal at 15 days after induction of diabetes.
(17) In this way, inhibin may be an important regulator of the number of developing Sertoli cells and of the length of the seminiferous tubuli in the testis and of the number of developing follicles in the ovary.
(18) By day 34, only elongated spermatids remained in a few tubules and thereafter very little regeneration of the seminiferous epithelium occurred, except for one rat which showed a better regeneration.
(19) In this study at the light and transmission electron microscopy level, evidences are given that in T. (C.) tridentata, spermatogenesis is centrifugal and occurs around seminiferous tubules surrounding the lumen that is a blood vessel.
(20) The spatial extension of these megalospermatocyte populations is spherical to elliptical, some of them look like a section of a spiral around the longitudinal axis of the seminiferous tubule.
Spermatic
Definition:
(a.) Of or pertaining to semen; as, the spermatic fluid, the spermatic vessels, etc.
Example Sentences:
(1) This observation, reinforced by simultaneous determinations of cortisol levels in the internal spermatic and antecubital veins, practically excluded the validity of the theory of adrenal hormonal suppression of testicular tissues.
(2) [5alpha-(3)H]5alpha-Androst-16-en-3-one (5alpha-androstenone) was infused at a constant rate for 180min into the spermatic artery of a sexually mature boar.
(3) Testicular tissue at ectopic site was identified by presence of characteristic signal intensity pattern, mediastinum testis and its location along empty spermatic canal in cases of inguinal testis either singly or in combination.
(4) In group I (torsion maintained), unilateral torsion of the spermatic cord was maintained until the day of sacrifice; in group II (torsion and untwist), torsion of the spermatic cord was maintained for 8 to 12 hours, then the spermatic cord was untwisted and the testis was retained until the day of sacrifice.
(5) A temporary pinching off of the spermatic cord was carried out in 100 male Wistar rats in order to evaluate the effect of a limited period of ischaemia on the testicular parenchyma.
(6) The response of these hormones to LRF infusion was unaltered by spermatic vein ligation, but a significant elevation of the sperm count occurred.
(7) Physical and X-ray examinations showed he had right renal cell carcinoma with tumor thrombosis in the inferior vena cava and the right spermatic vein.
(8) Statistically, no significant difference was found between the volume, motility and morphology of the samples in both groups; however, the concentration of spermatic ATP and acrosin decreased significantly in a group of polyzoospermic patients.
(9) These abnormalities were much more severe in spermatic venous blood.
(10) The first case of carcinosarcoma in the spermatic cord is reported in a 40-year-old man.
(11) On the ground of the results, high ligation of the spermatic vein is regarded as suitable for the surgical management of varicocele in case of renospermatic reflux.
(12) This shows the markedly higher sensitivity of marker evaluation in spermatic cord veins.
(13) Beginning from the 20th week on the nerve fibers appear between spermatic cords.
(14) Spermatic cord involvement was not a prognostically significant finding in patients whose para-aortic region was treated.
(15) These studies have allowed classification of the system of veins involved in the condition into several groups, including involvement of the internal spermatic vein alone, pure cremasteric varicocele, mixed internal spermatic and cremasteric varicosities in one or both systems with valvular incompetence or mere dilatation without apparent incompetence of valves.
(16) The tentative out-patient diagnosis in 8 patients was acute orchiepididymitis and 2 were suspected of having torsion of the spermatic cord.
(17) Evoked responses (ER) to stimulation of spermatic nerve were picked up in conscious monkeys from hypothalamic limbic and cerebral cortical regions.
(18) Antegrade phlebography of the spermatic vein with Valsalva maneuver is used by some workers in preference to the above-mentioned method, but has not yet been fully evaluated.
(19) They ranged from solid, raised serosal growths to delicate papillary structures, and occurred primarily on the tunica vaginalis propria of the testis, epididymis and spermatic cord.
(20) The spermatic artery was identified and preserved in all but 1 varix ligation.