These cells wall off the organism inside a granuloma called a tubercle. The localized concentrations of lysosomal enzymes in these granulomas can cause extensive tissue necrosis.

TLS Online TPP Program

#Id: 1967

#XL - T Zoology

TLS Online TPP Program

#Id: 1968

#XL - T Zoology

Survivorship (lx) is calculated by dividing the number of individuals in an age class by the number in the original cohort;

TLS Online TPP Program

#Id: 1969

#XL - T Zoology

The mortality rate (qx) within each age class is estimated by the variable

TLS Online TPP Program

#Id: 1970

#XL - T Zoology

This mortality rate allows us to determine whether mortality increases with age, decreases with age, or is independent of age

TLS Online TPP Program

#Id: 1971

#XL - T Zoology

The number alive during an age class can be estimated by the relationship:

TLS Online TPP Program

#Id: 1972

#XL - T Zoology

Life expectancy - The average number of additional age classes an individual can expect to live at each age.