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Connective Tissue
| Type | Description |
|---|---|
| 4 major connective tissue | Proper, Cartilage, Bone, Blood |
| Categories in Connective Tissue Proper (Loose Connective Tissue) | Adipose, Areolar, Reticular |
| Categories in Connective Tissue Proper (Dense Connective Tissue) | Irregular, Regular, Elastic |
| Categories in Cartilage | Fibrocartilage, Hyaline, Elastic |
| Adipose Loose Connective Tissue location | Under skin, around kidneys + eyeballs, within abdomen, in breasts |
| Adipose Loose Connective Tissue function | Provides energy storage, insulates against heat loss, and supports + protects organs |
| Areolar Loose Connective Tissue location | Under epithelial tissue of the body |
| Areolar Loose Connective Tissue function | Wraps + cushions organs, macrophages consume pathogens, + plays an important role in inflammation |
| Reticular Loose Connective Tissue location | Bone marrow, lymph nodes, spleen |
| Reticular Loose Connective Tissue function | Supportive framework for soft organs + helps with formation of blood cells |
| Regular Dense Connective Tissue location | Tendons + ligaments |
| Regular Dense Connective Tissue function | Attaches muscles to bones, or muscles to muscles, + withstands great tensile stress (tensile = tension / stretching) |
| Irregular Dense Connective Tissue location | Skin (dermis), hollow organs, fibrous capsules covering various organs, joints, muscles + nerves |
| Irregular Dense Connective Tissue function | Provide strength + support to organs + tissues by resisting tearing from multiple directions |
| Elastic Dense Connective Tissue location | In the walls of blood vessels, respiratory passageways, surrounding parts of the spine |
| Elastic Dense Connective Tissue function | Provide support + stability while allowing for flexibility + recoil, supports + protects + holds bones, muscles, + other tissues + organs in place |
| Hyaline Cartilage location | Between ribs + sternum, covers bones in mobile joints, + certain area of respiratory system |
| Hyaline Cartilage function | Stiff but flexible support + reduces friction, supports + reinforces, resilient cushioning properties, + resists stress |
| Elastic Cartilage location | External ear, epiglottis (in the throat) |
| Elastic Cartilage function | Maintains shape of structure while allowing for great flexibility |
| Fibrocartilage location | Within knee joint, between pubic bones of pelvis, and in intervertebral discs |
| Fibrocartilage function | Tensile strength with the ability to absorb compressive shock, prevents bone to bone contact, limits relative movement |
| Bone (osseous) location | Throughout the body |
| Bone (osseous) function | Support + function, provides levers for muscles to act on, stores calcium + other minerals, store for blood cell formation |
| Blood (vascular) location | Within the blood vessels of the body |
| Blood (vascular) function | Transport respiratory gases, nutrients, + wastes, transport of immune system cells |
| Macrophages | Consume debris + foreign objects |
| Blood Vessel + Cells | Carry oxygen + nutrients |
| Elastic Fibers | Organized / disorganized depending on tension |
| Collagen Fibers | Fibers that make up tendons (muscle to bone) |
| Mast Cells | Prevent blood clots; immune response |
| Adipose Cells | Store energy |
| Fibroblasts | Produce fibers |