Glossary V

Vertebral column refers to the bony structure that extends from the cranium to the coccyx and encloses the spinal cord.

Vertical axis refers to the axis that runs straight down through the top of the head and spinal column and is at a right angle to the transverse plane of motion. Vertical axis is also known as the Longitudinal or Long axis.
Vertical dyad linkage theory is a term used in industrial and organizational psychology referring to a leadership theory that concentrates on the interaction between the leader and his or her subordinates.

Vertical percentage method is a term used in industrial and organizational psychology for scoring biodata in which the percentage of unsuccessful employees responding in a particular way is subtracted from the percentage of successful employees responding in the same way.

Very low birth weight refer to newborns who weigh less than 1,500 grams or 3 pounds.

Very old age refers to a stage of psychosocial development that emerges at the upper end of the life span, after one has exceeded the life expectancy for one's birth cohort.

A Vestibular is an apparatus sensory organ, consisting of three semicircular canals, that provides needed information about body position to maintain balance.

Viagra refers to a drug used in the treatment of erectile disorder ; Sildenafil.

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