primordial utricle — noun : the cytoplasmic lining of the cell wall in a fully developed vacuolated cell … Useful english dictionary
Primordial — Pri*mor di*al, a. [L. primordialis, from primordium the first beginning; primus first + ordiri to begin a web, to begin: cf. F. primordial.] 1. First in order; primary; original; of earliest origin; as, primordial condition. The primordial facts… … The Collaborative International Dictionary of English
Cambrian — Primordial Pri*mor di*al, a. [L. primordialis, from primordium the first beginning; primus first + ordiri to begin a web, to begin: cf. F. primordial.] 1. First in order; primary; original; of earliest origin; as, primordial condition. The… … The Collaborative International Dictionary of English
Hugo von Mohl — Born 8 April 1805 … Wikipedia
Pinnularia — is a fresh water alga and a type of Bacilliophyta (diatoms).HabitatPinnularia is a fresh Water alga, usually found in ponds and moist soil.They can also be found in springs, estuaries, sediments and in the ocean.General StructureCell Wall and… … Wikipedia
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
Development of the urinary and reproductive organs — The development of the urinary and reproductive organs as a part of the prenatal development, concerns the urinary system and sex organs. The latter is a part of the stages of sexual differentiation. The urinary and reproductive organs are… … Wikipedia
Development of the reproductive system — The development of the reproductive system is a part of prenatal development, and concerns the sex organs. It is a part of the stages of sexual differentiation. Because its location to a large extent overlaps the urinary system, the development… … Wikipedia
Paramesonephric duct — Urogenital sinus of female human embryo of eight and a half to nine weeks old … Wikipedia