Miosis Miosis is a medical term for constriction of the pupil. It is the opposite of mydriasis. It is seen in a variety of medical

Mydriasis Mydriasis is an excessive dilation of the pupil due to disease, trauma or drugs. Normally, the pupil dilates in the dark and constricts in

Lower motor neuron lesion Lower motor neuron lesion is a lesion which affects nerve fibers traveling from the anterior horn of the spinal cord to

McDonald criteria McDonald criteria are diagnostic criteria for diagnosis of multiple sclerosis (MS). In 2017 an international panel in association with the National Multiple Sclerosis

Cerebral perfusion pressure Cerebral perfusion pressure (CPP) is the pressure gradient between the mean arterial pressure (MAP) and the intracranial pressure (ICP) ((Mason P. Medical

Midline shift brain Midline shift is a finding described on transverse (axial) slices from CT and MRI studies ((Midline shift (summary). https://radiopaedia.org/articles/midline-shift-summary?lang=us)). Midline shift describes

Cherry red spot Cherry-red spot refers to the reddish area at the center of macula surrounded by retinal opacification in certain disorders ((Tripathy K, Patel

Entoptic phenomena Entoptic phenomena is a phrase derived from the Greek words ‘inside’ and ‘light’ or ‘vision’ was introduced by Johann Benedict Listing (1808 –

Uterine contractions Uterine contractions are the tightening and shortening of the uterine muscles. During labor, uterine contractions accomplish two things: they cause the cervix to

Uterine tachysystole Uterine tachysystole is an excessive uterine activity defined as more than five uterine contractions per 10 minutes in at least two consecutive intervals