Category: O

  • Organ meats

    Those parts of an animal such as the liver, kidneys, sweetbreads, and brains.  

  • Organoleptic qualities

    Properties perceived by the senses, such as colour, texture, flavour, taste and aroma.  

  • Oilseeds

    Oil-bearing materials used as sources of edible or industrial oils; the chief oilseeds which yield oils that are edible as such or after refining are the groundnut, sesame, rape/mustard, cottonseed, coconut, safflower, soya-bean and sunflower.    

  • Oilcake

    The residue left after removal of oil from oilseeds using expeller (screw) – pressing or solvent-extraction; it is high in protein, and is used in animal feeds or fertilizers. Oilcake of special edible quality can be used for human feeding.  

  • Orchid

    Any member of the family Orchidaceae, the second largest plant family after the composites, consisting of around 18,500 species occurring in nearly all parts of the world but most abundant in tropical rainforests, where they mostly grow as epiphytes. Orchids have flowers of complex structure, with bilateral symmetry and elaborate pollination mechanisms. Their seeds are…

  • Oxytocic

    A drug which helps to start the process of childbirth, or speeds it up. Drug that induces or accelerates labor by stimulating contractions of the muscles of the uterus. A drug that induces or accelerates labor by stimulating the muscles of the womb to contract. Accelerating childbirth, or a medication that speeds up the birthing…

  • Oxyntic

    Referring to glands and cells in the stomach which produce acid.  

  • Oxyhaemoglobin

    A compound of haemoglobin and oxygen, which is the way oxygen is carried in arterial blood from the lungs to the tissues. The compound formed when the pigment haemoglobin in the erythrocytes (red blood cells) combines with oxygen. This is a reversible reaction whereby the oxygen, carried in this way from the lungs to the…

  • Oxygen therapy

    Any treatment involving the administering of oxygen, e.g. in an oxygen tent or in emergency treatment for heart failure. The administration of oxygen for the treatment of conditions resulting from oxygen deficiency. It is used to combat acute arterial hypoxia that may result from pneumonia, pulmonary edema, or obstruction to breathing. It is also employed…

  • Oxygen tent

    A type of cover put over a person so that he or she can breathe in oxygen. Airtight enclosure for a patient’s head and shoulders in which the oxygen content of the air can be raised above normal. Now rarely used, a sheet of plastic put over a hospital bed with oxygen fed into it…