Tag Archives | Embryo

16 Main Embryological Stages of Embryo | Biology

Some embryological stages of embryo are: Stage # 1. T.S. Young (Developing) Anther: 1. It is a multicellular, four-cornered structure, surrounded by a layer of epidermis. 2. In each comer develops one or more archesporial initials. 3. These initials divide by a periclinal wall into outer primary parietal cell and inner primary sporogenous cell. 4. Primary parietal cell divides periclinally [...]

By Priyanka D|2016-10-20T07:46:23+00:00October 20, 2016|Embryology|Comments Off

Formation of Placenta | Embryology

In this article we will discuss about:- 1. Meaning of Placenta 2. Types of Placenta 3. Organogenesis 4. Functions. Meaning of Placenta: The embryo, specially in eutherian mammals, becomes implanted to the uterine wall. The process of implantation involves tissue interaction and establishment of connection between the uterine wall and the extraembryonic membranes. The region of attachment between the embryonic [...]

By M Raghunath|2016-10-13T19:29:47+00:00October 13, 2016|Embryology|Comments Off