Search Results - "GODINHO, Hugo P"
-
1
The Goitrogen 6-n-Propyl-2-Thiouracil (PTU) Given during Testis Development Increases Sertoli and Germ Cell Numbers per Cyst in Fish: The Tilapia (Oreochromis niloticus) Model
Published in Endocrinology (Philadelphia) (01-03-2002)“…The main objectives of the present study were to investigate the effects of 6-n-propyl-2-thiouracil (PTU) on Sertoli cell proliferation, germ cell number, and…”
Get full text
Journal Article -
2
Downstream passage of fish larvae and eggs through a small-sized reservoir, Mucuri river, Brazil
Published in Zoologia (Curitiba, Brazil) (01-12-2011)“…In South America, one important symptom of the failure of fish passages to sustain fish migratory recruitment is the inability of eggs and larvae to reach the…”
Get full text
Journal Article -
3
Induced spawning and early ontogeny in hatchery-reared catfish Zungaro jahu (Siluriformes: Pimelodidae)
Published in Neotropical Ichthyology (01-01-2012)“…Hatchery-kept catfish jahus Zungaro jahu (Ihering, 1898) were induced to spawn with carp pituitary extract. The telolecithal eggs were round (1.6 ± 0.1 mm in…”
Get full text
Journal Article -
4
Gonadal morphology and reproductive traits of the Amazonian fish Arapaima gigas (Schinz, 1822)
Published in Acta zoologica (Stockholm) (01-10-2005)“…An account of gonadal morphology and reproductive traits of the Amazonian arapaimatid, Arapaima gigas (Schinz 1822), is given. The only functional ovary (left)…”
Get full text
Journal Article -
5
Sertoli cell proliferation in the adult testis-evidence from two fish species belonging to different orders
Published in Biology of reproduction (01-11-2005)“…Germ cell survival and development critically depend on the cells' contact with Sertoli cells in the vertebrate testis. Fish and amphibians are different from…”
Get full text
Journal Article -
6
Migration and spawning of female surubim (Pseudoplatystoma corruscans, Pimelodidae) in the São Francisco river, Brazil
Published in Environmental biology of fishes (01-12-2007)“…Surubim, Pseudoplatystoma corruscans, is the most valuable commercial and recreational fish in the São Francisco River, but little is known about adult…”
Get full text
Journal Article -
7
Sertoli Cell Proliferation in the Adult Testis—Evidence from Two Fish Species Belonging to Different Orders1
Published in Biology of reproduction (01-11-2005)“…Germ cell survival and development critically depend on the cells' contact with Sertoli cells in the vertebrate testis. Fish and amphibians are different from…”
Get full text
Journal Article -
8
Seasonal reproduction of yellowish myotis, Myotis levis (chiroptera: Vespertilionidae), from a Neotropical highland
Published in Journal of morphology (1931) (01-11-2013)“…ABSTRACT With a nearly global distribution the vespertilionid bat Myotis represents one of the most exceptional examples of adaptive radiation among mammals…”
Get full text
Journal Article -
9
Annual male reproductive activity and stages of the seminiferous epithelium cycle of the large fruit-eating Artibeus lituratus (Chiroptera: Phyllostomidae)
Published in Zoologia (Curitiba, Brazil) (01-06-2015)“…The large fruit-eating phyllostomid bat, Artibeus lituratus (Olfers, 1818), forearm 69-75 mm, body mass 66-82 g, has a diversified geographic distribution in…”
Get full text
Journal Article -
10
Morphofunctional changes of female germinal epithelium to support spermatozoa along the annual reproductive cycle in an inseminating catfish (Trachelyopterus galeatus, Auchenipteridae)
Published in Journal of morphology (1931) (01-01-2014)“…ABSTRACT The reproductive system of some fish species presents elaborate mechanisms by which the females store spermatozoa inside their ovaries, keeping them…”
Get full text
Journal Article -
11
Spermatozoon and its relationship with the ovarian lamellae in the internally inseminating catfish Trachelyopterus galeatus
Published in Microscopy research and technique (01-11-2009)“…We examined the spermatozoa and their relationship with the ovarian lamellae in the catfish Trachelyopterus galeatus by classical light microscopy,…”
Get full text
Journal Article -
12
Comparing on site human and video counts at Igarapava fish ladder, south eastern Brazil
Published in Neotropical Ichthyology (01-06-2006)“…On site human observations and video images were collected and compared at the window of the Igarapava Dam fish ladder (IDFL), rio Grande , Southeastern…”
Get full text
Journal Article -
13
Passage and reproductive activity of fishes in the Igarapava fish ladder, Grande River, Southeastern Brazil
Published in River research and applications (01-02-2010)“…We sampled fishes within the vertical-slot Igarapava fish ladder (IFL), Grande River, southeastern Brazil, and immediately downstream IFL in 12 field trips…”
Get full text
Journal Article -
14
Early ontogeny and swimming behavior of larvae of the neotropical fish Prochilodus costatus Valenciennes 1850 and Prochilodus argenteus Spix & Agassiz 1829 (Characiformes: Prochilodontidae)
Published in Revista de biología tropical (13-05-2016)“…The early life story of the curimatas Prochilodus argenteus and Prochilodus costatus was studied from hatching until the complete absorption of the yolk, in…”
Get full text
Journal Article -
15
Morphofunctional changes of female germinal epithelium to support spermatozoa along the annual reproductive cycle in an inseminating catfish ( Trachelyopterus galeatus , Auchenipteridae): Germinal Epithelium In Inseminating Fish
Published in Journal of morphology (1931) (01-01-2014)Get full text
Journal Article -
16
-
17
The goitrogen 6-n-propyl-2-thiouracil (PTU) given during testis development increases Sertoli and germ cell numbers per cyst in fish: the tilapia (Oreochromis niloticus) model
Published in Endocrinology (Philadelphia) (01-03-2002)“…The main objectives of the present study were to investigate the effects of 6-n-propyl-2-thiouracil (PTU) on Sertoli cell proliferation, germ cell number, and…”
Get full text
Journal Article -
18
Sertoli Cell Proliferation in the Adult TestisâEvidence from Two Fish Species Belonging to Different Orders
Published in Biology of reproduction (01-11-2005)“…Germ cell survival and development critically depend on the cells' contact with Sertoli cells in the vertebrate testis. Fish and amphibians are different from…”
Get full text
Journal Article -
19
-
20
TESTICULAR MATURATION IN MALES OF THE MANJUBA Curimatella lepidura Eigenmann Eigemnmann, 1889 (PISCES, CURIMATIDAE) OF THE DAM TRÊS MARIAS, RIVER SÃO FRANCISCO, MG. MATURAÇÃO TESTICULAR EM MACHOS DA MANJUBA Curimatella lepidura Eigenmann Eigemnmann, 1889 (PISCES, CURIMATIDAE) DA REPRESA DE TRÊS MARIAS, RIO SÃO FRANCISCO, BRASIL
Published in Ciência animal brasileira (01-04-2010)“…The aim of this study was to evaluate the testicular maturation in the manjuba Curimatella lepidura. For that, 318 males were collected from the Tres Marias…”
Get full text
Journal Article