Sentences with phrase «male gonads»

The spermatozoa of animals are produced through spermatogenesis inside the male gonads (testicles) via meiotic division.

In indigenous Australians and Papua New Guineans, mingling with the Denisovans (the «other Neanderthal,» an ancestral human living primarily in Asia) introduced genes related to «spermatogenesis, fertilization, cold acclimation, circadian rhythm, development of brain, neural tube, face, and olfactory pit, immunity,» as well as «female pregnancy, development of face, lung, heart, skin, nervous system, and male gonad, visual and smell perception, response to heat, pain, hypoxia, and UV, lipid transport, metabolism, blood coagulation, wound healing, aging.»

Not exact matches

The bird had both male and female gonads, yet acted male and sang the courtship song that only males sing.

When a male cichlid fish captures a piece of prime real estate, his gonads go wild.

That may explain the absurd size of the gonads of the male mouse lemur, seen above.

Even though chromosomes mark the cells as male or female, they don't head down that path until after the gonads — testes in a male, ovaries in a female — begin developing and secreting hormones at about 7 weeks.

Calisi's team looked at the baseline «transcriptome,» capturing all the genes expressed in the hypothalamus, pituitary and gonads in male and female pigeons when they were not engaged in reproductive behavior.

In view of the different timing of meiotic initiation in female and male mammals, we determined the developmental expression profile of mouse Boule during both male and female embryonic gonadal development (embryonic day 10.5, E12.5, E16.5 and E17.5) in comparison with adult gonads.

This hormone is considered a gonadotrophic hormone because of its role in controlling the function of ovaries in females and testes in males, which are known as the gonads.

The adrenal glands, the thyroid and the gonads (male testes and female ovaries) regulate, through the hypothalamic - pituitary - gonadal (HPG) axis as well as the hypothalamic - pituitary - adrenal (HPA) axis, the hormone response.

In both males and females, hypogonadism can be primary (diseases of the gonad itself) or secondary to another disorder (e.g., Cushing's syndrome).

To that end there needs to be a well - paid, full - time for five - year - term president, and like provincial officials, with gonads, male or female, who will stand up to bully boy / girl organizations, and who will slug it out with highjackers, until the highjackers go off somewhere and try to establish their own personal empires.