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CONNECTIVE TISSUE
connects cells and tissues together as they form organs
3 COMPONENTS OF CONNECTIVE TISSUE
ECM, Fibers, Cells
LOOSE CONNECTIVE TISSUE
loosely arranged and have no organized structure; composed of thin elastic fibers
DENSE CONNECTIVE TISSUE
tightly packed collagen fibers
DENSE REGULAR CONNECTIVE TISSUE
regular and parallel arrangement of collagen fibers; seen in tendons and ligaments
ACL tear
torn anterior cruciate ligament
DENSE IRREGULAR CONNECTIVE TISSUE
random and irregular orientation; seen in areas where strong binding and support is needed; e.g. dermis of the skin
BLOOD
carries various substances to tissues (erythrocytes, leukocytes, thrombocytes)
HEMOPOIESIS
formation of blood cells that occurs in the bone marrow
CARTILAGE
flexible yet firm; can bear mechanical stress w/o permanent distortion (chondrocytes)
Cartilage in the Spinal Cord
Annulus Fibrosus
BONE
calcium phosphate is deposited within the matrix (osteocytes)
EPIPHYSIS
ends of long bones
DIAPHYSIS
refers to middle shaft
METAPHYSIS
area between diaphysis and epiphysis; also known as epiphyseal plate; where growth occurs
ADIPOSE TISSUE
connective tissue w/ adipocytes: fat-storing cells
MUSCLE TISSUE
for movement and locomotion; most abundant type of tissue (muscle fibers)
SKELETAL MUSCLE
striated and voluntary; has syncytial cells: have more than 1 nuclei
SMOOTH MUSCLE
visceral muscle; involuntary
CARDIAC MUSCLE
striated and involuntary; branched: possess intercalated disks
NERVOUS TISSUE
transmit information from muscle to brain (nerve cells)