Occasionally, incomplete resorption of the right valve of the sinus venosus can result in the presence of a meshwork of fibrous strands... View Article
The oxygenated blood from the placenta in the fetal circulation flows towards the heart. Most of this is diverted away from entering the liver... View Article
Towards the third month of fetal development, all the major blood vessels and the heart are fundamentally formed. Generally, the blood flow is in... View Article
The left ventricle acquires blood from the left atrium, pumping it all through the aortic artery to all the tissues of the body. Most of the... View Article
The parietal pericardium superiorly surrounds the pulmonary trunk and the aorta which is known as the arterial reflection or the arterial... View Article
The mediastinum is first categorized into the inferior and superior mediastinum by a midsagittal imaginary line known as the transverse thoracic... View Article
Different species have different places of attachment in the uterus. In case more than one ovulation takes place in the ovary, there are more... View Article
Once fertilization occurs, the zygote starts cell division, while passing through the oviduct. This initial division is cleavage as it occurs in... View Article
In order to refrain from the event of multi sperm fertilization, the moment sperm penetrate into the zona pellucida successfully, this region... View Article
Membrane fusion is one of the steps taking place for fertilization to take place when spermatozoa encounter an oocyte. Once the zona pellucida... View Article
If the spermatozoa are in the oviduct just before the ovum arrives at the site of fertilization, there are high chances of fertilization. In... View Article
For a viable ovum to be fertilized by sperms, it itself has to be fertile. Sperms have to meet these requirements to be called fertile. They are... View Article
In order for fertilization to occur a viable ovum and a fertile sperm must unite. There are three main requirements for a sperm cell to fulfil... View Article
The interventricular septum is the thick wall that separates the heart's lower chambers from each other. The ventricular septum is directed... View Article
Ventricles are a chamber of the heart collecting blood from an atrium, pumping it out of the heart. There are two ventricles - the left ventricle... View Article
Mainly, the clotting proteins are produced in the liver. There are about 12 particles referred to as the clotting factors which are involved in... View Article
Following are the types of Contractions - Isotonic contractions - use of inertia to work or move Isometric contraction - muscles do not... View Article
Ruffini corpuscles are thermoreceptors. They assist in detecting changes in the temperature. The name is derived from Angelo Ruffini. The Ruffini... View Article
Underwater, the hearing threshold and the ability to localize sources of sound are reduced. Here, the speed of sound is faster compared to that... View Article
It is the inability of the brain to make use or sense of some part of the otherwise normal visual stimulus. It is typified by the inability to... View Article
