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Connective tissue
q/a
| Question | Answer |
|---|---|
| What is the origin of connective tissue? | Mesodermal origin |
| The most abundant animal tissue is? | Connective tissue |
| What are the three types of connective tissues? | Proper CT, Supportive CT and Fluid CT |
| Cells of proper connective tissue? | Fibroblast, mast cells, plasma cells, histocytes |
| Functions of fibroblast cells? | Secrete fibre and matrix |
| Which is the cell only found in proper connective tissue? | Mast cell |
| Mast cell is a modified? | Basophil |
| Function of Mast cell? | Secretes Heparin, Histamine and Serotonin |
| Function of Heparin? | Anti-coagulant |
| Function of Histamin? | Vaso-dilator, to show allergic reaction or inflammation |
| Function of Serotonin? | Vaso-constrictor |
| Plasma cells are also called? | Cartwheel cells |
| Plasma cells are modified? | Lymphocytes |
| Function of plasma cells? | Secrete antibodies |
| Histocyte is also known as? | Macrophage |
| Function of Histocyte/ Macrophage?/ | Engulf foreign materials/ bacteria |
| The matrix of proper CT is formed of? | Mucopolysaccharide + water |
| Fibres found in proper CT are? | Collagen fibre, Elastic fibre and Reticulate fibre |
| Which is the thickest fibre? | Collagen fibre |
| Collagen fibres are? (structure and colour) | Parallel and unbranched, white in colour |
| Elastic fibres are? (structure and colour) | Branched, yellow in colour |
| What is the thinnest fibre? | Reticulate fibre |
| Protein found in reticulate fibre? | Reticulin |
| Reticulate fibres are? (structure and colour) | Network, colourless |
| Types of proper connective tissue? | Loose matric CT and dense matrix CT |
| Areolar tissue is also known as? | Packing tissue --> packs/connects skin and muscle |
| Types of loose proper connective tissue are? | Areolar tissue and Adipose tissue |
| Adipose tissues are modified? | Areolar tissue |
| Which extra cell is present in Adipose tissue? | Adipocytes--> fat secreting cell |
| Brown adipocytes are due to? | Increased no. of mitochondria |
| Brown adipose tissues (BAT) are found mostly in? | Newborns |
| Adipose tissues make up? | Subcutaneous fat--> fat just below the skin. it is thicker in females |
| Types of dense matrix proper connective tissue? | Fibrous, Elastic, Reticular, Pigmented |
| Types of fibrous dense matrix proper connective tissue? | white fibrous, tendon, ligament |
| Fibre found in suture joints of skull bone is? | White fibrous |
| Fibre found in Sclera? | White fibrous |
| Fibre found in perichondrium? | White fibrous |
| Tendon is a thin bundle of? | Collagen fibres |
| Ligament is a this bundle of? | Collagen and elastic fibres |
| Function of Tendon? | Connects bone to muscle |
| Function of Ligament? | Connects bone to bone |
| Fibre found in Lungs? | Elastic dense matrix |
| Fibre found in liver and spleen? | Reticular dense matrix |
| Fibre found in Iris? | Pigmented dense matrix |
| Types of supportive connective tissue? | Cartilage and bone |
| Protein present in cartilage? | Chondrin |
| Cells present in cartilage? | Chondrocytes |
| Cells present in bone? | Osteocyte |
| Protein present in bone? | Ossin |
| Fibres present in cartilage? | Collagen and Elastic fibres |
| Bone forming cell is called? | Oesteoblast |
| Bone destroying cell is called? | Oesteoclast |
| The process of formation of cartilage is known as? | Chondrofication/ Chondrogenesis |
| The process of formation of bones is known as? | Oesteogenesis/ Oesteopoesis/ Ossification |
| Cartilage is vascular or avascular? | Avascular |
| Bone is vascular or avascular? | Vascular |
| Endoskeleton of embryo, cyclostoma, cartilaginous fish is made up of? | Cartilage |
| Which cartilage is also known as gristle? | Hyaline cartilage |
| Which cartilage is found in internasal septum, trachea, endoskeleton of cyclostomata and cartilagenous fish? | Hyaline cartilage |
| Calcified cartilage are hyaline cartilage coated with? | CaCO3 |
| Cartilage found in suprascapula of pectoral girdle? | Calcified cartilage |
| Perichondrium is absent in which cartilage? | Fibro cartilage |
| Which is the strongest cartilage? | Fibro cartilage |
| Cartilage found in intervertebral discs? | Fibro cartilage |
| Which fibres are mostly present in fibro cartilage? | Collagen fibre |
| Which fibres are mostly present in elastic cartilage? | Elastin fibre |
| Cartilage found in pinna, epiglottis, tip of nose and part of tunica media is? | Elastic cartilage |
| Bone cancer? | Oesteoma |
| Hardness in bone is due to? | Hydroxyopetite |
| Haversian(longitudinal) canal is present in? | Bone |
| Function of Volkmann's(transverse) canal? | Joins 2 Haversian canals |
| Haversian canal is present only in which vertebrate? | Mammals |
| Function of canaliculi? | It connects oesteocytes |
| Yellow bone marrow is found in? | Diaphysis of bone |
| Red bone marrow is found in? | Epiphysis of bone |
| What is the function of yellow bone marrow? | storage of fat |
| What is the function of red bone marrow? | Formation of blood cells |
| Skeletal muscle is also know as? | Striated, striped, voluntary muscle |
| Location of skeletal muscle? | Attached to the bones, abdominal wall, upper part of oesophagus, tongue |
| Structure of Skeletal muscle? | Cylindrical, multinucleated, striated |
| Skeletal muscles get fatigued due to? | Accumulation of Lactic acid |
| In sarcomere, thin filaments are? | Light bands- Actin, troponin, tropomyosin |
Created by:
Mushroomang
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