Category: I

The part of the ear inside the head, behind the eardrum, containing the semicircular canals, the vestibule and the cochlea. The portion of the ear consisting of the cochlea, which contains the receptors for hearing in the organ of Corti, and the vestibule and semicircular canals, which contain the receptors for static and dynamic equilibrium.…

A condition in which the knee cannot function properly because of a torn meniscus.  

An artery in the neck, behind the external carotid, which gives off the ophthalmic artery and ends by dividing into the anterior and middle cerebral arteries.  

A method of making the heart start beating again by pressing on the heart itself. A surgical procedure performed on the chest to sustain circulation when the heart ceases to beat. In internal cardiac massage, the surgeon accesses the heart through the open rib cage and manually compresses it with their hands.  

A bundle of fibres linking the cerebral cortex and other parts of the brain. A large bidirectional fiber tract connecting the cerebral cortex with the ipsilateral thalamus and sending axons from the cerebral cortex to the brainstem and spinal cord. Fiber bundle within the brain that carries ascending and descending information from and to the…

Loss of blood inside the body, e.g. from a wound in the intestine. Hemorrhage from an internal organ or site, especially the gastrointestinal tract.  

A channel which takes the auditory nerve through the temporal bone. The most medial opening of the internal auditory canal, located on the posterior surface of the petrous portion of the temporal bone, or the canal itself.  

Inside the body or a body part. Within, inside (e.g., internal organs, organs inside the body). Within the body; within or on the inside; enclosed; inward; the opposite of external.  

A medical graduate who is working in a hospital before being licensed to practise medicine. Physician (graduate of a medical school) in the first postgraduate year, learning under the supervision of more experienced physicians in a hospital; sometimes called a first-year resident. A resident in the first year of hospital training after medical school. An…

A procedure in which someone puts a catheter through the urethra into their own bladder from time to time to empty out the urine. A technique in which a patient (of either sex) inserts a disposable catheter through the urethra into the bladder to empty it of urine. It is increasingly used to manage patients…