An inertial frame of reference is defined as a frame of reference in which Newton’s first law of motion is valid.
Examples of inertial frames of reference are as follows –

The earth is approximately an inertial frame of reference. It is not completely an inertial frame of reference because of the acceleration associated with its rotation on…[Read more]

The ability of the eye with normal vision to see best a small part of the object it is looking at, while seeing everything else worse is known as the Central Fixation. In abnormal conditions of the eyes, this ability of central fixation is lost.

When the eye possesses the ability of central fixation, the eye has perfect sight and is perfectly…[Read more]

Blatta Orientalis is used in homeopathy in the treatment of asthma, bronchitis, and pulmonary tuberculosis (TB of the lungs / phthisis). Blatta Orientalis has been used with great success in cases characterized by dyspnea (difficult breathing or labored respiration) due to the accumulation of great quantity of mucus. Blatta Orientalis (Blatta-o.,…[Read more]

Pyrogen is a nosode (see, what is a nosode?), which is employed in homeopathy in the treatment of septic states. Pyrogen, also known as Pyrogenium, is used in the treatment of the following medical conditions, viz. –

Septicemia, septic fevers, surgical septicemia, sapremia, puerperal septicemia, septic fever following abortion or miscarriage,…[Read more]

The term Lochia has been derived from lokhos (childbirth). Lochia is the normal discharge that flows from the uterus and vagina after parturition (childbirth or delivery). The following phases of lochia appear in succession after the delivery, viz. –

Lochia rubra – This discharge occurs immediately after the delivery, and is red or brownish red…[Read more]

The term Meconium is a Latin word literally meaning “poppy juice”, and is derived from Greek “Mekonion” (poppy-juice, opium). Meconium is a dark green mass that collects in the intestines of a full-term fetus; it forms the first stools of a newborn. Meconium consists of secretions from the intestinal glands, bile pigments, mucus, epithelial cell…[Read more]

The medical term Vernix (Latin, varnish) or Vernix Caseosa (in Latin, Vernix Caseosa literally means – cheese-like varnish) is defined as the fatty substance composed of sebum (the oily secretion of the sebaceous glands present in the skin) and dead epithelial cells providing a protective covering to the skin of the fetus. Vernix Caseosa is…[Read more]