Define male reproductive system. male reproductive system synonyms, male reproductive system pronunciation, male reproductive system translation, English dictionary definition of male reproductive system. Noun 1. male reproductive system - the reproducti
With the current medical knowledge ofmale reproductive physiology, the explanation of what sperm is can be developed further: • Men produce sperm continually. But this production would be impossible without testicular tissue, which develops in the male foetus and therefore is dependent onPre-Natal...
1. The name of the product design: the male reproductive system anatomical model. 2.本外观设计产品的用途:用于教学演示. 2. Purpose of the product's design: a teaching demonstration. 3.本外观设计的设计要点:直观地显示出男性生殖系统解剖的主要结构. Design elements 3. The design: visually display...
and there is no clear explanation other than age itself. The more controversial issue to be discussed in the next section is whether the male partner’s fertility also declines as he gets older.
Reproductive System:The reproductive system of a human is an important organ system that is responsible for producing new humans or offspring. This system contains different organs for both male and female humans.Answer and Explanation: The external organs of the male reproductive system are the ...
off in resource allocation between weapons and nuptial gifts is important in driving the diversity of male mating strategies seen in the dobsonflies, whereas reduced male-male competition in the species producing large spermatophores could be an alternative explanation on their loss of male weapons. ...
One possible explanation is that these genes are driven by sexual conflict in females favoring much shorter legs as an optimum. The finding that the genes associated with trait exaggeration in M. longipes males show the same pattern of sequence evolution across all other Microvelia species is ...
One possible explanation for multiple queens is the delayed competition model discussed previously. In this case groups of queens must cooperate to found colonies; they later become competitors, and only one of the queens actually contributes reproductives to the next generation. The queens need not...
However the previously identified 'large X effect' explanation for hybrid male sterility in the D. p. pseudoobscura × D. p. bogotana cross13,38 could be a consequence of X-linked trans-regulatory elements contributing towards male sterility. Ovd, the only identified hybrid male ...
Thus, our results show that ES exerts effect on male reproductive system by depleting different testicular-cell populations, leading to reduced sperm count and motility, culminating in male infertility. Discussion In the present study, using a variety of approaches we demonstrate that coupled with ...