Intellectual or developmental disabilities: Types list. The list of types of Intellectual or developmental disabilities mentioned in various sources includes: 1  Cornea Plana 1. 2  Pervasive developmental disorders. 3  Autism. 4  Asperger syndrome. 5  Autism, susceptibility to, 13. 6  Autism, susceptibility to, 10. 7  Autism, susceptibility to, 11.
Definition of MERISTEM. : a formative plant tissue usually made up of small cells capable of dividing indefinitely and giving rise to similar cells or to cells that differentiate to produce the definitive tissues and organs. â merÂ·iÂ·steÂ·matÂ·ic \Ëmer-És-tÉ-Ëma-tik\ adjective.
The main function of meristematic tissue is mitosis. The cells are small, thin-walled, with no central vacuole and no specialized features. Meristematic tissue is located in. 1  the apical meristems at the growing points of roots and stems.2  the secondary meristems (lateral buds) at the nodes of stems (where branching occurs) [ View ], and in some plants, 3  meristematic tissue, called the cambium, that is found within mature stems and roots.eristematic tissue is located in. 1  the apical meristems at the growing points of roots and stems. 2  the secondary meristems (lateral buds) at the nodes of stems (where branching occurs) [ View ], and in some plants,