Skeletal muscle twitching or spasm, Weak cardiac contraction

Increased secretion of parathyroid hormone (PTH)

Decreased serum phosphate level

Bone tissue dystrophy with a decrease of its density 

Decreased expression of hormone receptors on target cells

Deficiency of substrate for hormone formation 

Lack of neurovascular factor regulating hormone secretion

Decreased secretion of tropic hormone of the adenohypophysis

Blood plasma glucose

Blood plasma cortisol

Blood plasma sodium

Skin pigmentation

Cushing's disease

pituitary dwarfism

adrenal insufficiency

gigantism / acromegaly

transient muscle weakness in a hand or leg.

loss of consciousness.

headache, photophobia, and nuchal rigidity. 

rapidly increasing intracranial pressure. 

does not change

stops

decreases

increases

disconnection of the cerebral cortex with the subcortical centers

increased spinal inhibition

damage to central motor neurons

loss of effects of the nervous system on organs and tissues

Hypoxia

Hypoglycemia

Trauma

Hyperbilirubinemia

Brainstem tumors do not manifest signs until they are quite large.

Primary brain tumors rarely metastasize outside the CNS.

Most brain tumors arise from malignant neurons.

The blood-brain barrier prevents secondary brain tumors.