opisthotonus वाक्य

Opisthotonus can be produced experimentally in animals by transection of the midbrain ( between the superior colliculus and the inferior colliculus ), which results in severing all the corticoreticular fibers.
Characteristic features are risus sardonicus ( a rigid smile ), trismus ( commonly known as " lock-jaw " ), and opisthotonus ( rigid, arched back ).
Faux and Padian suggested in 2007 that the live animal was suffering opisthotonus during its death throes, and that the pose is not the result of any post-mortem process at all.
Individuals with cerebral malaria frequently exhibit neurological symptoms, including abnormal posturing, nystagmus, conjugate gaze palsy ( failure of the eyes to turn together in the same direction ), opisthotonus, seizures, or coma.
Within the first few years of life, extrapyramidal involvement causes abnormal involuntary muscle contractions such as loss of motor control ( dystonia ), writhing motions ( choreoathetosis ), and arching of the spine ( opisthotonus ).

As strychnine poisoning progresses, tachycardia ( rapid heart beat ), hypertension ( high blood pressure ), tachypnea ( rapid breathing ), cyanosis ( blue discoloration ), diaphoresis ( sweating ), water-electrolyte imbalance, leukocytosis ( high number of white blood cells ), trismus ( lockjaw ), risus sardonicus ( spasm of the facial muscles ), and opisthotonus ( dramatic spasm of the back muscles, causing arching of the back and neck ) can occur.