Histology Word Scramble
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Term | Definition | Where/More |
Eptithelial tissue | closely-joined cells classified by degree fo layering or shape | on ALL free SURFACES |
Simple | Single layer | |
Stratified | Multiple layers | |
Transitional | Multiple layers of differnt types of epithelial tissues | found in organs which EXPAND/CONTRACT often - URINARY BLADDER |
Squamous | flat, scaley | |
Cuboidal | cubed | |
Columnar | column shaped | |
Connective tissue | ISOLATED groups of active cells, classified by physical properties of the matrix | 1. LOOSE connective tissue 2. DENSE connective tissue 3. VASCULAR connective tissue 4. CARTILAGES 5. BONE |
Muscle Tissue | elongated, densley-packed contractile cells (fibers) - classified by location and microanatomy | 1. Skeletal (striated) 2. Smooth (visceral) 3. Cardiac (heart) |
Skeletal Muscle | Striated, Multi-nucleated | attached to bones - most in the body |
Smooth Muscle | Visceral, Non-striated, Tapered, Mono-nucleated | surrounds hollows in organs |
Cardiac | Striated, Banded, Mono-nucleated, Branched | Heart only |
Nerve Tissue | long, wirey cell processes, often with stellate bodies | Brain and Spinal Column |
Neurons | Nerve Tissue | impulse generation and conduction |
Neuroglia | Nerve Tissue | supportive/insulative |
Glands | clusters (involutions/ducts) of epithelial cells | usually cuboidal |
Exocrine gland | external secretion via a duct | sebum, sweat |
Endocrine | internal secretion into the bloodstream | |
Body Membranes | combinations of epithelia and connective tissue | Mucous Membranes and Serous Membranes |
Mucous Membranes | different types of epithelium upon Loose connective tissue | the lining of hollow organs (almost the entire GI Tract) - Functions: SECRETION and ABSORPTION |
Serous Membranes | Squamous epithelium over Loose connective tissue | double lining of closed cavities: parietal layer = lines the cavity; visceral layer = covers the organ - Function: produces a watery secretion that REDUCES FRICTION |
Areolar Tissue | LOOSE Connective tissue - RANDOMLY placed cells (Fibroblasts and Macrophages) Matrix: LONG, thread-like fibers made of COLLAGEN and ELASTIN protein. | CONNECTS the SKIN to underlying TISSUE and fills spaces BETWEEN ORGANS. -LARGE cells = MACROPHAGES -SMALL cells = FIBROBLASTS -THIN fibers = COLLAGEN -THICK fibers = ELASTIN |
Adipose | large FAT-filled cells, TIGHTLY packed in SPARSE, NON-fibrous matrix | THROUGHOUT the body, especially UNDER the SKIN, amid SKELETAL muscle, and INSIDE long BONES |
Hyaline Cartilage | clumped cells (chondrocytes), invisible matrix | forms CONNECTIONS between RIBS and STERNUM, at the ends of long bones, and surrounding the TRACHEA |
Elastic Cartilage | clustered chondrocytes scattered amid SHORT, WAVEY, ELASTIN fibers in a COLLAGEN matrix | external EAR, EPIGLOTTIS, and EUSTACHIAN tubes |
Fibrocartilage | small cells, Matrix: PARALLEL bundles of COLLAGEN fibers | ARTICULAR DISCS, in larger JOINTS, and PUBIC SYMPHYSIS |
Compact Bone | ISOLATED cells (osteocytes)in Matrix of inorganic SALTS and COLLAGEN; cells are arranged RADIALLY around HAVERSIAN CANALS | ALL BONES of the skeleton |
Blood | RBC and WBC in liquid matrix (plasma) | throughout the CIRCULATORY system |
Haversian Canals | house small BLOOD VESSELS and NERVE fibers | in BONE |
Created by:
kristel387
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