review classification of ct – ct “proper” – supporting ct – fluid ct
TRANSCRIPT
Review
• Classification of CT
– CT “Proper”
– Supporting CT
– Fluid CT
• Bone (osseous) CT
• Bone (osseous) CT
– Cells
• Bone (osseous) CT
– Cells
•Osteoprogenitor cell
• Bone (osseous) CT
– Cells
•Osteoprogenitor cell (stem cell)
• Bone (osseous) CT
– Cells
•Osteoprogenitor cell (stem cell)
• Osteoblasts
• Bone (osseous) CT
– Cells
•Osteoprogenitor cell (stem cell)
• Osteoblasts
• Osteocytes
• Bone (osseous) CT
– Cells
•Osteoprogenitor cell (stem cell)
• Osteoblasts
• Osteocytes (in lacunae)
• Bone (osseous) CT
– Cells
•Osteoprogenitor cell (stem cell)
• Osteoblasts
• Osteocytes (in lacunae)
• Osteoclasts
• Bone (osseous) CT– Cells
•Osteoprogenitor cells (stem cells)
• Osteoblasts• Osteocytes (in lacunae)• Osteoclasts
– Matrix
– Matrix
– Matrix: arranged as lamellae
– Matrix: arranged as lamellae
– Matrix: arranged as lamellae
•Collagen fibers
– Matrix: arranged as lamellae
•Collagen fibers
•Calcium phosphate salts
– Matrix: arranged as lamellae
•Collagen fibers
•Calcium phosphate salts (as hydroxyapatite)
• Arrangements of Bone Tissue
• Arrangements of Bone Tissue– Compact (cortical)
• Arrangements of Bone Tissue– Compact (cortical)
– Spongy (cancellous)
• Compact Bone Tissue
• Compact Bone Tissue– Location
• Compact Bone Tissue– Location
•On bone surfaces
• Compact Bone Tissue– Location
•On bone surfaces (matrix arranged as
• Compact Bone Tissue– Location
•On bone surfaces (matrix arranged as circumferential lamellae)
• Compact Bone Tissue– Location
•On bone surfaces (matrix arranged as circumferential lamellae)
• In shafts of long bones
• Compact Bone Tissue– Location
•On bone surfaces (matrix arranged as circumferential lamellae)
• In shafts of long bones (matrix arranged as
• Compact Bone Tissue– Location
•On bone surfaces (matrix arranged as circumferential lamellae)
• In shafts of long bones (matrix arranged as concentric
• Compact Bone Tissue– Location
•On bone surfaces (matrix arranged as circumferential lamellae)
• In shafts of long bones (matrix arranged as concentric and interstitial lamellae)
– The osteon
– The osteon (Haversian system):
– The osteon (Haversian system): unit structure of thick compact bone
Haversian canal
Lacuna
Canaliculi
*
• Arrangements of Bone Tissue– Compact Bone Tissue
• Arrangements of Bone Tissue– Compact Bone Tissue
– Spongy (cancellous) bone tissue
• Arrangements of Bone Tissue– Compact Bone Tissue
– Spongy (cancellous) bone tissue
•Location: within bones
• Arrangements of Bone Tissue– Compact Bone Tissue
– Spongy (cancellous) bone tissue
•Location: within bones
•Consists of branching plates called trabeculae
• Arrangements of Bone Tissue– Compact Bone Tissue
– Spongy (cancellous) bone tissue
•Location: within bones
•Consists of branching plates called trabeculae
• Arrangements of Bone Tissue– Compact Bone Tissue– Spongy (cancellous) bone tissue
•Location: within bones •Consists of branching plates called trabeculae
•Bone marrow found between the trabecular spaces
• Periosteum
• Periosteum
– Fibrous layer
• Periosteum
– Fibrous layer
– Cellular layer
• Periosteum
– Fibrous layer
– Cellular layer
• Source of new oesteoblasts
• Bone Tissue Remodelling
• Bone Tissue Remodelling
– Osteoblasts
• Bone Tissue Remodelling
– Osteoblasts
– Osteoclasts
Review
• Classification of CT
– CT “Proper”
– Supporting CT
Review
• Classification of CT
– CT “Proper”
– Supporting CT
– Fluid CT
Review
• Classification of CT
– CT “Proper”
– Supporting CT
– Fluid CT
•Blood
Review• Classification of CT
– CT “Proper”– Supporting CT– Fluid CT
•Blood•Lymph
• Blood
• Blood =
• Blood = Formed elements
• Blood = Formed elements + plasma
• Blood = Formed elements + plasma
– Formed elements
• Blood = Formed elements + plasma
– Formed elements (AKA “blood solids”)
• Blood = Formed elements + plasma
– Formed elements (AKA “blood solids”)
• RBC’S
• Blood = Formed elements + plasma
– Formed elements (AKA “blood solids”)
• RBC’S (erythrocytes)
• Blood = Formed elements + plasma
– Formed elements (AKA “blood solids”)
• RBC’S (erythrocytes)
• WBC’s
• Blood = Formed elements + plasma
– Formed elements (AKA “blood solids”)
• RBC’S (erythrocytes)
• WBC’s (leukocytes)
• Blood = Formed elements + plasma
– Formed elements (AKA “blood solids”)
• RBC’S (erythrocytes)
• WBC’s (leukocytes)
• platelets
• Blood = Formed elements + plasma
– Formed elements (AKA “blood solids”)
• RBC’S (erythrocytes)
• WBC’s (leukocytes)
• platelets (thrombocytes)
• Red Blood Cells
• Red Blood Cells
– “bags” of hemoglobin
• White Blood Cells
• White Blood Cells
– Granulocytes
• White Blood Cells
– Granulocytes
•Neutrophils
• White Blood Cells
– Granulocytes
•Neutrophils
•Eosinophils
• White Blood Cells
– Granulocytes
•Neutrophils
•Eosinophils
•Basophils
• White Blood Cells
– Granulocytes
•Neutrophils
•Eosinophils
•Basophils
– Agranulocytes
• White Blood Cells
– Granulocytes
•Neutrophils
•Eosinophils
•Basophils
– Agranulocytes
•Lymphocytes
• White Blood Cells– Granulocytes
•Neutrophils•Eosinophils•Basophils
– Agranulocytes •Lymphocytes•Monocytes
• White Blood Cells– Granulocytes
•Neutrophils•Eosinophils•Basophils
– Agranulocytes •Lymphocytes•Monocytes
BasophilNeutrophilEosinophilLymphocyteMonocyte
• Platelets (Thrombocytes)
REVIEW• Blood = Formed elements + plasma
– Formed elements (AKA “blood solids”) • RBC’S (erythrocytes)• WBC’s (leukocytes)• platelets (thrombocytes)
• Platelets (Thrombocytes)
– Derived from megakaryocytes
• Hemopoiesis
– All formed elements develop from
• Hemopoiesis
– All formed elements develop from hemopoietic stem cells
• Hemopoiesis
– All formed elements develop from hemopoietic stem cells
– Erythropoiesis
• Hemopoiesis
– All formed elements develop from hemopoietic stem cells
– Erythropoiesis: regulated by erythropoiten (EPO)
• Hemopoiesis
– All formed elements develop from hemopoietic stem cells
– Erythropoiesis: regulated by erythropoiten (EPO)
– Leukopoiesis
• Hemopoiesis
– All formed elements develop from hemopoietic stem cells
– Erythropoiesis: regulated by erythropoiten (EPO)
– Leukopoiesis: regulated by numerous factors
• Plasma
• Plasma
– Water
• Plasma
– Water
– Electrolytes
• Plasma
– Water
– Electrolytes
– Organic nutrients
• Plasma
– Water
– Electrolytes
– Organic nutrients
– Organic wastes
• Plasma
– Water
– Electrolytes
– Organic nutrients
– Organic wastes
– Plasma proteins
– Plasma proteins
• Albumin
• Globulins
• Clotting factors (e.g. fibrinogen)
• Regulatory hormones
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