altricious

altricious

(al-trĭsh′ŭs) [L. altrix, stem altric-, nourisher]
1. Slow in developing.
2. Requiring long-term nursing care.
References in periodicals archive ?
In experiments where neonatal manipulations are made to the auditory system (either by sound deprivation or by augmentation), it is important to consider whether the experimental animal is altricious (born with an immature inner ear) or precocious (with hearing present at birth).
In the mouse, an altricious species, efferents do not fully connect with outer hair cells until postnatal day 20 [42].
The likelihood of eggs surviving to hatching was considered equal to nestlings surviving to fledging because young are altricious and completely helpless (Small et al.