Placenta Notes: Definitions & Explanations PDF | Download eBooks
Study Placenta lecture notes PDF with biology definitions and explanation to study What is Placenta?. Study placenta explanation with biology terms to review biology course for online degree programs.
Placenta Definition:
Lining of the uterus and the extraembryonic membranes that arise from the embryo form a placenta, a structure in which nutrients diffuse into the embryo from the mother's blood.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Placenta Notes:
The placenta is a temporary organ that connects the developing fetus via the umbilical cord to the uterine wall to allow nutrient uptake, thermo-regulation, waste elimination, and gas exchange via the mother's blood supply; to fight against internal infection; and to produce hormones which support pregnancy. Placentas are a defining characteristic of placental mammals, but are also found in marsupials and some non-mammals with varying levels of development. After pregnancy is over, placenta is also pushed out of the body.
Keep Learning with Biology Notes
What is Stele?
In a vascular plant, the stele is the central part of the root or stem containing the tissues derived from ...
What is Covalent bond?
A covalent bond is formed when two atoms share their valence electrons. These electrons are called bonding pairs and these ...
What is Solute?
The substance that gets dissolved in the solvent. A solute is defined as the substance that is dissolved in a ...
What is Pyrimidine?
Pyrimidine is an aromatic heterocyclic organic compound that is composed of one ring. In nucleic acids there are three types ...
What is Stroma?
The stroma refers to the colorless fluid surrounding the grana within the chloroplast. Within the stroma are grana, stacks of ...
What is Hemophilia?
Hemophilia is a bleeding disorder that slows the blood clotting process. People with this condition experience prolonged bleeding or oozing ...
