CARTILAGE;;
Cartilage is a type of connective tissue that is hard but elastic in nature it contains large quantity of matrix formed of hard substance chondrion there are three types of cartilages :(1) hyaline (2) fibrous and (3) elastic
hyaline cartilage:
it consists of ground substance and cartilage cells cartilage cells are large with rounded angles the nucleus is round and spherical the cells are arranged in group of 2 and 4 hyaline cartilage is found in bones (articular cartilage ) ribs (costal cartilage )and in long bones (epiphyseal cartilage)
fibrous cartilage:
it is consists of cells which are large arranged in groups and placed inside lacunae the collagen fibres are more than that found in hyaline cartilage fibrous cartilage is found in inter vertebral discs meniscus of knee joint mandibular joints and pubic symphysis
elastic cartilage :
it also consists of numbers of cells in lacunae elastic cartilage differs from hyaline cartilage only for the presence of enormous elastic fibres in the matrix elastic cartilage is found in pinna eustachian tube epiglottis and in some of the laryngeal cartilage
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