Question

Is there an easy way of learning about meristematic and muscular tissues?

Answer 1

Meristematic Tissues
Meristematic tissues are group of cells, which have the ability to divide. This tissue consists of small, cuboidal densely packed cells, which keeps on dividing to form new cells. These tissues are capable of stretching, enlarging and differentiate into other types of tissues as they mature. Meristematic tissues give rise to permanent tissues.
General characteristics of Meristematic tissues
They have very small cells with thin cell walls.
Their cells have large nuclei.
Their cells have very small vacuoles and they lack intercellular spaces.
They remain young forever and divide actively throughout the life of the plant.
In plants, these tissues are found in the -Tips of roots, stems, nodes of stems, buds, in between the xylem and phloem, under the epidermis of dicotyledonous plants and also producing branch roots.
Kinds of Meristematic tissues
Apical meristems: They are found at the tip of stems and roots. During the cell division, this meristem helps in cellular enlargement and also it influence the shapes of the mature plants.
Lateral meristems: They are found along the sides of roots and stems.They play a vital role in increasing the width or diameter of stems and roots.
Intercalary meristems: They are found at the bases of young leaves and internodes. They are mainly responsible for a further lengthening of stems and leaves.

MUSCULAR TISSUE:
Muscular tissue is composed of muscle cells. Muscle cells are specialized cells which have the capability to contract and expand. Due to contraction and expansion, muscles facilitate various kinds of movements in the body. Muscular tissues are of three types:
Striated Muscles: The cells of striated muscles are in the form of long, unbranched fibers.
Smooth Muscles: The cells of smooth muscles are spindle-shaped and each has one nucleus.
Cardiac Muscles: The cells of cardiac muscles are in the form of branched fibers