Results 31 to 40 of about 58,764 (310)

Studies of the physiology of hibernating Coccinellidae (Coleoptera): changes in the metabolic reserves and gonads

open access: yes, 1966
SYNOPSISAn account is given of changes in the fat and glycogen reserves and of the gonads of three species of aphidophagous Coccinellids during hibernation in southern England.
G. El-Hariri, El-Hariri, G.
core   +1 more source

PATHOLOGIES OF REPRODUCTIVE ORGANS OF CASPIAN FEMALE SEALS (PHOCA CASPICA, GMELIN, 1788)

open access: yesЮг России: экология, развитие, 2016
The aim is to compare morphofunctional conditions of the ovaries and uteruses of Caspian female seals born between the end of XX and beginning of XXI centuries.Methods. We have analyzed the reproductive organs of 16 female seals in the periods of October
V. V. Volodina   +2 more
doaj   +1 more source

Gonadosomatic index and weight/length relationship in females of three penaeoidean shrimps impacted by fisheries on the southeastern Brazilian coast

open access: yesNauplius, 2020
The aim of this study was to evaluate the gonadosomatic index (GSI) and the weight/length ratio in important shrimp populations (Xiphopenaeus kroyeri (Heller, 1862), Litopenaeus schmitti (Burkenroad, 1936), Rimapenaeus constrictus (Stimpson, 1874)) from ...
Renan Augusto Pereira dos Santos   +6 more
doaj   +1 more source

A Metabolomic Analysis to Assess the Responses of the Male Gonads of Mytilus galloprovincialis after Heavy Metal Exposure

open access: yesMetabolites, 2023
In recent years, metabolomics has become a valuable new resource in environmental monitoring programs based on the use of bio-indicators such as Mytilus galloprovincialis.
Gennaro Lettieri   +7 more
doaj   +1 more source

Plasticity and regeneration of gonads in the annelid Pristina leidyi [PDF]

open access: yes, 2016
International audienceGonads are specialized gamete-producing structures that, despite their functional importance, are generated by diverse mechanisms across groups of animals and can be among the most plastic organs of the body. Annelids, the segmented
Bely, Alexandra E   +11 more
core   +1 more source

COVID-19 pandemic: what about the gonads?

open access: yes, 2021
The novel SARS-CoV-2 has spread to virtually all countries of the world infecting millions of people, the medical burden of this disease obviously being enormous.
Guclu, Metin   +2 more
core   +1 more source

Os curiosos xenoimplantes glandulares do doutor Voronoff Dr. Voronoff's curious glandular xeno-implants

open access: yesHistória, Ciências, Saúde: Manguinhos, 2007
O presente artigo trata da visita do médico Serge Voronoff ao Brasil durante as Jornadas Médicas de 1928 e a subseqüente demonstração de sua técnica de xenotransplante diante da classe médica.
Ethel Mizrahy Cuperschmid   +1 more
doaj   +1 more source

Sodium Fluoride In Vitro Treatment Affects the Expression of Gonadotropin and Steroid Hormone Receptors in Chicken Embryonic Gonads

open access: yesAnimals, 2021
Sodium fluoride (NaF), in addition to preventing dental decay may negatively affect the body. The aim of this study was to examine the effect of a 6 h in vitro treatment of gonads isolated from 14-day-old chicken embryos with NaF at doses of 1.7 (D1), 3 ...
Agnieszka Karolina Grzegorzewska   +2 more
doaj   +1 more source

Histology of gonads.

open access: yes, 2014
(A) Schematic diagram of the Tg vector, pARPAR, 1 of 2 Tg vectors used in this study. (B) Histology of Tg and Wt gonads. Tg and Wt gonads with (+) or without (−) T-treatment were taken after laparotomy (upper figures, a–g; bar = 2 mm).
Koichi Kawakami (128958)   +8 more
core   +1 more source

Live imaging of Drosophila gonad formation reveals roles for Six4 in regulating germline and somatic cell migration [PDF]

open access: yes, 2007
Background: Movement of cells, either as amoeboid individuals or in organised groups, is a key feature of organ formation. Both modes of migration occur during Drosophila embryonic gonad development, which therefore provides a paradigm for understanding ...
Andrew P Jarman   +5 more
core   +1 more source

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