Category: T

  • Transtracheal oxygenation

    The application of oxygen via a catheter system inserted into the trachea.  

  • Tissue oxygenation

    The oxygen level in tissues. Measurement of the oxygen concentration in body fluids is not as important as knowing the oxygen level in the tissues themselves. Determining the gastrointestinal interstitial pH provides an indication of the adequacy of tissue oxygenation. Decreased oxygen supply leads to anaerobic metabolism in cells, which produces a fall in pH.…

  • Transtracheal oxygen

    Oxygen that is delivered to the lungs via a cannula placed directly into the trachea.  

  • Telolecithal ovum

    An ovum in which the yolk is fairly abundant and tends to concentrate in one hemisphere.  

  • Tuberculous orchitis

    A rare form of orchitis generally arising in the epididymis. It may be accompanied by formation of chronic sinuses and destruction of tissues. With the widespread use of antituberculosis drugs for primary pulmonary tuberculosis, this condition is rarely seen.  

  • Trophoblastic operculum

    The plug of fibrin that covers the opening in the endometrium made by implantation of the blastocyst.  

  • Traumatic occlusion

    Injury to the tissues that support the teeth due to malocclusion, missing teeth, improper chewing habits, or a pathological condition that causes an individual to chew in an abnormal way. Excessive bite pressure can cause damage to the teeth.  

  • Trigeminal spinal nucleus

    The site of sensory neurons of the trigeminal nerve associated with pain, temperature, and light touch. It is located in the pons and upper spinal tract.  

  • Thoracic nucleus

    A column of large neurons in the posterior gray column of the spinal cord. These cells give rise to the dorsal spinocerebellar tract on the same side.  

  • Thalamic nucleus

    Any of the nuclei of the thalamus, including a large number belonging to the anterior, intralaminar, lateral, and medial thalamic nuclei groups.