ISSN: 2319-9865

All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.

Amazing porn model Belle Delphine nudes on sexe-libre.org. Watch free video collection of Belle Delphine nede leaked

Rare Muslim porn and سكس on sexsaoy.com. Tons of Arab porn clips.

XNXX and Xvideos porn clips free on xnxxarabsex.com. Best XnXX porn tube channels, categorized sex videos, homemade and amateur porn.

Exlusive russian porn russiainporn.com. Get uniqe porn clips from Russia

Find out on sexjk.com best collection of Arabain and Hijab سكس

Placenta

 the placenta is a highly complex and fascinating organ. During the course of a pregnancy, it acts as the lungs, gut, kidneys, and liver of the fetus. The placenta also has major endocrine actions that modulate maternal physiology and metabolism and provides a safe and protective milieu in which the fetus can develop. The human placenta undergoes dramatic transformations in form and function between the first trimester, when organogenesis occurs, and the remainder of pregnancy that reflect evolutionary responses to changing oxygen concentrations in the earth’s atmosphere. Recent research indicates a more interactive dialogue between the placenta and the maternal tissues than previously recognized. The endometrial glands provide histotrophic support during the first weeks of pregnancy, and the placenta appears able to stimulate its own development by up-regulating gland activity in response to endocrine signals

Relevant Topics in Medical Sciences