Tag: collagen
-
Class 9th – Connective Tissue – Bone
BONE Bone is a connective tissue. It forms the framework that supports the whole body. It also anchors the different muscles and supports all the main organs of the body. It is a strong and non-flexible tissue. Matrix: hard matrix and is composed of calcium and phosphorus compounds. It consists of Tendon Ligament Cartilage…
-
Integumentary System (Skin and its derivatives)
Introduction The common structural pattern of both aquatic & terrestrial vertebrates of integument is… Epidermis Derived from Ectoderm Stratified i.e. consists of multi-layers of cells Dermis Derived mainly from mesoderm Formed of connective tissue Contain blood & lymph vessels, nerve & smooth muscle fibres, receptors and also special irregular pigment cells (chromatophores) Below dermis, subcutaneous…