ANIMAL TISSUE - Career Point

Visceral BonesCAREER POINT .– If ossification take place in the visceral organs then visceral bones are formed. These are rare bones,found in few animals. In rabbit & man these bones are absent.Eg. Os Cardis : Present in inter ventricular septum of Deer's heartOs Palpebrae : In the eyelid of crocodileOs Penis (Baculum ) : In the Penis of rodents, rat, shrew, Bat, Whale, Tiger.Os rostralis : In the snout of pig.Os falciparum : Palm of moleTable : Difference between a Dried bone and a Decalcified boneDried boneDecalcified bone(i) It is a bone that has been dried by subjecting to a hightemperature(ii) It does not have the bone marrow. Bone marrow cavityis empty.(iii) It contains mineral matter.(iv) Living structures are absent.(i) It is a bone that has been treated with dilutionHCl.(ii) It has the bone marrow.(iii) It contains only the organic matter.(iv) Living structures are present.FLUID CONNECTIVE TISSUEThere are two types of Fluid connective tissue :– (1) Blood (2) LymphMatrix is liquid & fibre freeBLOODCOMPOSITION OF BLOODBloodBlood cellsBlood plateletsPlasmaErythrocytesLeukocytesGranulocytesAgranulocytesNeutrophilsEosinophils Basophils Monocytes Lymphocytes– Study of Blood – Haematology– Process of blood formation Haemopoiesis.– Colour – Red– PH – 7.4 (Slightly alkaline)– By weight – 7 to 8% of body weight– By volume – 5 – 6 litres in male and 4-5 litres in female.Corporate Office: CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-3040000 (6 lines) ANIMAL TISSUE 28