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Histology
| Term | Definition |
|---|---|
| Simple Squamous Epithelium | single layer of flat cells (nuclei centered), diffusion/filtration, lungs and blood vessels |
| Simple Cuboidal Epithelium | single layer of cube cells (nuclei centered), absorption/secretion, kidney tubules |
| Simple Columnar Epithelium | single layer of rectangular cells (nuclei not centered), absorption/secretion, stomach/digestive system |
| Pseudostratified (Ciliated) Columnar Epithelium | single layer of columnar cells with different heights and nuclei levels, secretion, trachea (respiratory system) |
| Stratified Squamous Epithelium | multi-layer of squamous cells, protection, skin |
| Transitional Epithelium | several cell layers (multi-type), stretching, bladder |
| Areolar Connective Tissue | 3 fibers are present: elastic/collagen/reticular(not visible), cushions organs and absorbs fluids, part of the skin |
| Adipose Connective Tissue | similar to areolar but with large fat cells, insulation (warmth), under skin |
| Reticular Connective Tissue | reticular fibers and cells (WBC), support, lymph nodes |
| Dense Regular Connective Tissue | one-directional parallel collagen fibers with few elastin fibers (cell-fibroblast), attaches muscle to bone and bone to bone (SUPPORT), tendons and ligaments |
| Dense Irregular Connective Tissue | irregular collagen fibers with few elastin fibers (cell-fibroblast), strong support, dermis of skin |
| Bone (Osseous) Connective Tissue | hard calcified matrix with collagen fibers (cell-osteocytes), strong support and protection, bones |
| Blood Connective Tissue | red blood cells (erythrocytes) and white blood cells (leukocytes) in plasma, transportation, blood vessels |
| Hyaline Cartilage Connective Tissue | collagen fibers and chondrocytes in lacunae, strong support, nose |
| Fibrocartilage Connective Tissue | thick collagen fibers, shock absorber, intervertebral discs |
| Elastic Cartilage Connective Tissue | elastin fibers, strong and flexible support, external ear (ear and nose) |
| Nervous Tissue | neurons and glial cells, communication, nervous system (brain) |
| Cardiac Muscle Tissue | striations (single dark lines) and intercalated discs with one nucleus, movement, heart |
| Skeletal Muscle Tissue | striations (many similar lines, long cells, multiple nuclei), movement, skeletal muscles |
| Smooth Muscle Tissue | no striations (central nucleus), movement, blood vessels |