New immunization requirements for schools in Ohio will start with the 2016/2017 school year. acellular pertussis) vaccine. Students entering 12th grade will need to have a second dose of meningococcal vaccine. dose must be administered on or after the 16th birthday.
Altricial, meaning requiring nourishment, refers to a pattern of growth and development in organisms which are incapable of moving around on their own soon after hatching or being born.
Wiktionary (0.00 / 0 votes) Rate this definition: altricial (Adjective) Helpless at birth (of young animals); or having young which are helpless at birth. Origin: From modern Latin Altrices (a former division of birds), plural of altrix, the feminine of altor ânourisherâ, from alere ânourishâ.