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.
auricle. 1. the flap of the ear in the form of a funnel-like organ which collects the sound waves. Called also pinna. 2. the ear-shaped appendage of either atrium of the heart; formerly used to designate the entire atrium.uricle (oÂ´Ã´) , rikÉl n. 1 the oval flap of the external part of the. ear n. 2, atrium the chamber of the heart that receives the: blood on the, right from the general, circulation and on the, left from the pulmonary. circulation