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20 Cards in this Set

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Epithelial Tissue

Simple Squamous
Thin, flat, irregular (tiled cells, basal lamina, CT)

Delicate; found in protected regions where absorption takes place (e.g. alveoli); reduce friction
Epithelial Tissue

Stratified Squamous
Series of layers (superficial, stem cells, basal lamina, CT)

Tough; found where; keratinized to be water resistant (e.g. skin) or non-keratinized (e.g. oral cavity)
Epithelial Tissue

Simple Cuboidal
Hexagonal boxes with nucleus near center

Provide limited protection; occur where secretion and absorption take place (e.g. kidney tubules)
Epithelial Tissue

Transitional
Resemble stratified non-keratinized epithelium when stretched

Permits expansion and recoil after stretching (e.g. bladder)
Epithelial Tissue

Simple Columnar
Column-like cells bound to FT; modified with microvilli, goblet, cilia

Used for secretion, absorption (e.g. intestine), protection (e.g. stomach)
Epithelial Tissue

Pseudostratified Ciliated Columnar (PSCC)
Different sized columnar cells that appear to be stratified; apical membrane is ciliated

Used for protection (e.g. nasal cavity), secretion (e.g. male reproductive tract)
Epithelial Tissue

Stratified Cuboidal
Many layers of "cube"-like cells; lines some ducts (rare)

Used for protection, secretion and absorption
Epithelial Tissue

Stratified Columnar
Layers of rectangular shaped cells; no microvilli or cilia

Found in pharynx, epiglottis, anus, salivary gland ducts and urethra
Connective Tissue

Mesenchyme
Star shaped cells in thick fluid ground substance with collagen and reticular fibers

Found in developing embryo; precursor to all CT
Connective Tissue

Areolar Tissue
Least specialized CT; highly vascular; fibers (collagen, elastic and reticular) + cells (fibroblasts, macrophages, WBC's, adipocytes)

Support, strength, elasticity, cushioning (e.g. upper dermis)
Connective Tissue

Adipose Tissue
Modified areolar tissue; adipocytes + little matrix + blood vessels + lymphocytes

Cushioning, protection, energy reserve, insulation
Connective Tissue

Reticular Tissue
Few fibroblasts + interconnecting loose reticular fibers = loose meshwork

Supportive framework (stroma) within organs (e.g. spleen, liver, kidney)
Connective Tissue

Dense Regular Connective Tissue
Densely packed fibroblasts + well-organized collagen in parallel bundles; not very vascular

Attachment (e.g. tendon)
Connective Tissue

Dense Irregular Connective Tissue
Few fibroblasts + densely packed, unorganized collagen fibers in various directions

Protection, attachment, support (e.g. deep dermis)
Connective Tissue

Elastic Connective Tissue
Few fibroblasts + elastic fibers (bundled) + collagen fibers

Support, flexibility, joint movement (e.g. spinal ligaments)
Connective Tissue

Hyaline Cartilage
Chondroctes within lacunae; firm ground substance (chondrotin sulfate); no fibers

Support; flexibility; smooth movement at joints (e.g. rib, articular cartilage at end of long bones)
Connective Tissue

Fibrocartilage
Chondrocytes in lacunae surrounded by dense bundles of collagenous fibers and little ground substance

Support, fusion, shock absorption (e.g. intervertebral discs, pads of knee joint)
Connective Tissue

Elastic Cartilage
Chondrocytes in lacunae surrounded by elastic fibers and moderate ground subsance

Flexible support; maintains shape (e.g. external ear, epiglottis)
Connective Tissue

Spongy (cancellous) Bone
Osteocytes within lacunae in calcified matrix (osteoid + Ca salts); trabecular lattice with marrow cavities

Support, protection, mineral storage (e.g. epiphyses of long bones)
Connective Tissue

Compact (dense) Bone
Osteocytes within lacunae in calcified matrix in osteons/Haversian systems (lamellae + lacunae + caniculi); surrounded by periosteum

Support, protection, mineral storage (e.g. diaphyses of long bones)