Results 51 to 60 of about 186,632 (207)

Sexual maturation in Turkish girls

open access: yesAnnals of Human Biology, 1975
Ages of attainment of successive puberty stages of the breast, public hair and axillary hair and of menarche were established in a cross-sectional study of 1468 Turkish school girls in Istanbul. The subjects were grouped into four socioeconomic classes.
O, Neyzi, H, Alp, A, Orhon
openaire   +2 more sources

Gonad development and reproduction in the monoecious species Chlorophthalmus agassizi (Actinopterygii: Aulopiformes: Chlorophthalmidae) from the Sardinian Waters (Central-Western Mediterranean) [PDF]

open access: yes, 2010
Background. The shortnose greeneye, Chlorophthalmus agassizi Bonaparte, 1840, is a species with a circumglobal distribution and is among the most abundant commercial fishes in some Mediterranean areas.
Cabiddu S, Cau A, Follesa MC, Porcu C
core   +1 more source

Correlation of Sexual Maturation with Skeletal Age of Southern Chinese Girls

open access: yesAustralasian Orthodontic Journal, 1997
The correlation of skeletal maturation with the chronological ages of the onset of f our secondary sexual characteristics (menarche, appearance of pubic hair and axillary hair, and breast development) was studied in a group of 117 Southern Chinese girls ...
So Lisa L.Y.
doaj   +1 more source

Length at maturity in three pelagic sharks (Lamna nasus, Isurus oxyrinchus, and Prionace glauca) from New Zealand [PDF]

open access: yes, 2005
Reproductive data collected from porbeagle, shortfin mako, and blue sharks caught around New Zealand were used to estimate the median length at maturity.
Duffy, Clinton, Francis, Malcolm P.
core  

A case of intersex occurrence in Steindachneridion parahybae (Steindachner, 1877) (Siluriformes: Pimelodidae) under captivity condition: A cytogenetic and morphological study [PDF]

open access: yes, 2016
Poco se sabe sobre la biología reproductiva de Steindachneridion parahybae , una especie de teleósteo gonocorístico en peligro de extinción que habita la cuenca del río Paraíba do Sul y en éste trabajo se describe por primera vez la aparición de ...
Caneppele, Danilo   +4 more
core   +2 more sources

Gut microbiota regulates the brain metabolism of sexually mature drones

open access: yesMicrobiology Spectrum
Previous studies have found that gut microbiota and metabolites may be crucial in insect sexual maturation. For example, during sexual maturity, the increased dopamine in the drone’s brain can affect its reproductive behavior, such as flight, mating, and
Jun Zhang   +12 more
doaj   +1 more source

Methodological and ethical aspects of the sexual maturation assessment in adolescents

open access: yesRevista Paulista de Pediatria, 2013
OBJECTIVE To analyze methodological and ethical aspects in the sexual maturation assessment of adolescents. DATA SOURCES Books and theses, articles and legislations on the Medline, SciELO, Science Direct databases, besides institutional documents of the ...
Eliane Rodrigues de Faria   +4 more
doaj   +1 more source

Sexual maturation of Greek boys

open access: yesAnnals of Human Biology, 2002
Sexual maturation is dependent on genetic and environmental factors, therefore each ethnic group has to have its own normative data.This study describes the sexual maturation of Greek boys.We examined cross-sectionally 1266 healthy boys, aged 8-16 years. Pubertal staging in each boy was assessed according to Tanner's classification.
A, Papadimitriou   +4 more
openaire   +2 more sources

Reproductive biology of blue marlin (Makaira nigricans) in the western Pacific Ocean [PDF]

open access: yes, 2009
The reproductive biology of blue marlin (Makaira nigricans) was assessed from 1001 fish (ranging from 121 to 275 cm in eye-to-fork length; EFL) caught by Taiwanese offshore longliners in the western Pacific Ocean from September 2000 to December ...
Chien-Chung Tszeng, Chien-Chung Tszeng   +3 more
core  

Szomatotípus dominancia és szexuális érés [PDF]

open access: yes, 2017
The purposes of the study were 1) to examine indices of sexual maturation in athlete girls having predominantly endo-, meso- and ectomorph physique; 2) to demonstrate alterations in somatotype by breast maturation.
Négele, Zalán   +2 more
core   +1 more source

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