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A GROUP OF CELLS THAT USUALLY HAVE A COMMON EMBRYONIC ORGIN AND FUNCTION TOGETHER TO CARRY OUT SPECIALIZED ACTIVITIES.
TISSUE
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THE SCIENCE THAT DEALS WITH THE STUDY OF TISSUES.
HISTOLOGY
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A PHYSICIAN WHO SPECIALIZES IN LABORATORY STUDIES OF CELSS AND TISSUES TO HELP MAKE ACCURATE DIAGNOSES.
PATHOLOGIST
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CLASSIFICATION OF TISSUE THAT COVERS BODY SURFACES AND LINES HOLLOW ORGANS, BODY CAVITIES, AND FORMS GLANDS.
EPHITHELIAL TISSUE
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CLASSIFICATION OF TISSUES THAT PROTECTS AND SUPPORTS THE BODY AND ITS ORGANS; BINDS ORGANS TOGETHER, STORES ENERGY AND HELPS PROVIDE IMMUNITY.
CONNECTIVE TISSUE
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THE CLASSIFICATION OF TISSUE THAT GENERATES THE PHYSICAL FORCE NEEDED TO MAKE BODY STRUCTURES MOVE AND GENERATES BODY HEAT.
MUSCULAR TISSUE
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THE CLASSIFICATION OF TISSUE THAT DETECTS CHANGES IN A VARIETY OF CONDITIONS INSIDE AND OUTSIDE THE BODY AND REPSONDS BY GENERATING ACTION POTENTIALS THAT ACTIVATE MUSCULAR CONTRACTIONS AND GLANDUALAR SECRETIONS.
NERVOUS TISSUE
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THE 3 LAYERS THAT TISSUES OF THE BODY DEVELOP FROM.
PRIMARY GERM LAYERS
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THE THREE PRIMARY GERM LAYERS.
ECTODERM, ENDODERM, & MESODERM
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CONTACT POINTS BETWEEN THE PLASMA MEMBRANES OF TISSUE CELLS.
CELL JUNCTIONS
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A TYPE OF CELL JUNCTION THAT CONSISTS OF WEBLIKE STRANDS OF TRANSMEMBRANE PROTEINS THAT FUSE THE OUTER SURFACES OF ADJACENT PLASMA MEMBRANES TOGETHER TO SEAL OFF PASSAGEWAYS.
TIGHT JUNCTIONS
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A TYPE OF CELL JUNCTION THAT ATTACHES BOTH TO MEMBRANCE PROTEINS AND THE MICROFILAMENTS OF THE CYTOSKELETON. (ADHESION BELTS)
ADHEREN JUNCTIONS
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A DENSE LAYER OF PROTEINS ON THE INSIDE OF THE PLASMA MEMBRANE FOUND IN ADHEREN JUNCTIONS.
PLAQUE
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TRANSMEMBRANE GLYCOPROTEINS IN ADHEREN JUNCTIONS.
CADHERINS
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EXTENSIVE ZONES OF ADHEREN JUNCTIONS THAT ENCIRCLE THE CELL.
ADHESION BELTS
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A TYPE OF ADHEREN JUNCTION THAT ATTACH CELLS ONE TO ANOTHER, ITS PLAQUE ATTACHES TO THE INTERMEDIATE FILAMENTS.
DESMOSOMES
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TYPE OF CELL JUNCTION THAT LINKS A CELL MEMBRANCE TO THE BASEMENT MEMBRANE.
HEMIDESMOSOMES
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THE TRANSMEMBRANE GLYCOPROTEINS IN HEMIDESMOSOMES.
INTEGRINS
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THE TYPE OF PROTEIN IN THE BASEMENT MEMBRANE THAT INTEGRINS OF THE HEMIDESOMSOMES ATTTACH TO.
LAMININ
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TINY FLUID-FILLED TUNNELS THAT CONNECT NEIGHBORING CELLS.
GAP JUNCTIONS (CONNEXONS)
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THE MEMBRANE PROTEINS IN GAP JUNCTIONS.
CONNEXINS
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TYPE OF TISSUE THAT CONSISTS OF CELLS ARRANGED IN CONTINUOUS SHEETS IN EITHER SINGLE OR MULTIPLE LAYERS.
EPITHELIAL TISSUE (EPITHELIUM)
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THE SURFACE OF AN EPITHELIAL CELL THAT FACES THE BODY SURFACE, BODY CAVITY OR THE LUMEN.
APICAL SURFACE
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THE SURFACE OF AN EPITHELIAL CELL THAT FACES THE ADJACENT CELLS ON EITHER SIDE.
LATERAL SURFACES
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THE SURFACE OF AN EPITHELIAL CELL THAT IS OPPOSITE THE APICAL SURFACE.
BASAL SURFACE
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A THIN EXTRACELLULAR LAYER THAT CONSISTS OF THREE LAYERS; ATTACHES TO THE BASAL SURFACE OF AN EPITHELIAL CELL.
BASEMENT MEMBRANE
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THE THREE LAYERS OF THE BASEMENT MEMBRANE.
LAMINA RARA, LAMINA DENSA, & LAMINA RETICULARIS
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TERM FOR TISSUE THAT LACKS ITS OWN BLOOD SUPPLY.
AVASCULAR
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THE TWO TYPES OF EPITHELIAL TISSUE.
- 1. COVERING & LINING EPITHELIUM
- 2. GLANDULAR EPITHELIUM
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TYPE OF EPITHELIAL TISSUE THE FORMS THE OUTER COVERING OF SKIN AND SOME INTERNAL ORGANS, ALSO FORMS THE INNER LINING OF VESSELS, DUCTS & BODY CAVITIES.
COVERING AND LINING EPITHELIUM
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TYPE OF EPITHELIAL TISSUE THE MAKES UP THE SECRETING PORTION OF THE GLANDS.
GLANDULAR EPITHELIUM
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A SINGLE LAYER OF CELLS THAT FUNCTIONS IN DIFFUSION, OSMOSIS, FILTRATION, SECRECTION, OR ABSORPTION.
SIMPLE EPITHELIUM
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THE PRODUCTION AND RELEASE OF SUBSTANCES SUCH AS MUCUS, SWEAT, OR ENZYMES.
SECRETION
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THE INTAKE OF FLUIDS OR OTHER SUBSTANCES SUCH AS DIGESTED FOOD FROM INTESTINAL TRACT.
ABSORPTION
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APPEARED TO HAVE MULTIPLE LAYERS OF CELLS BECAUSE THE CELL NUCLEI LIE AT DIFFERENT LEVELS AND NOT ALL CELLS REACH THE APICAL SURFACE.
PSEUDOSTRATIFIED EPITHELIUM
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CONSISTS OF TWO OR MORE LAYERS OF CELLS THAT PROTECT; LOCATED IN LOCATIONS WHERE THERE IS CONSIDERABLE WEAR AND TEAR.
STRATIFIED EPITHELIUM
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CELL SHAPES THAT ARE ARRANGED LIKE FLOOR TILES AND ARE THIN.
SQUAMOUS
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CELL SHAPES WHERE CELLS ARE AS TALL AS THEY ARE WIDE AND ARE SHAPED LIKE CUBES.
CUBOIDAL CELLS
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CELL SHAPES THAT ARE MUCH TALLER THAN THEY ARE WIDE, LIKE COLUMNS, THEIR APICAL SURFACE MAY HAVE CILIA OR MICROVILLI.
COLUMNAR
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CELL SHAPES THAT CHANGE SHAPE, FROM FLAT TO CUBOIDAL AND BACK.
TRANSITIONAL
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THE SIMPLE SQUAMOUS EPITHELIUM THAT LINES THE HEART, BLOOD VESSELS, AND LYMPHATIC VESSELS.
ENDOTHELIUM
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THE SIMPLE SQUAMOUS EPITHELIUM THAT FORMS THE EPITHELIAL LAYER OF SEROUS MEMBRANES SUCH AS THE PERICARDIUM, PLEURA, OR PERITONEUM.
MESOTHELIUM
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FINGERLIKE CYTOPLASMIC PROJECTIONS THAT INCREASE THE SUFACE AREA OF THE PLASMA MEMBRANE; FOUND ON COLUMNAR EPITHELIUM
MICROVILLI
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MODIFIED COLUMNAR EPITHELIAL CELLS THAT SECRETE MUCUS AT THEIR APICAL SURFACES.
GOBLET CELLS
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A TOUGH, FIBROUS PROTEIN THAT HELPS PROTECT THE SKIN AND UNDERLYING TISSUES FROM HEAT, MICROBES, AND CHEMICALS.
KERATIN
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A SINGLE CELL OR GROUP OF CELLS THAT SECRETE SUBSTANCES INTO DUCTS, ONTO A SURFACE, OR INTO THE BLOOD.
GLAND
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THE SECRETIONS OF THIS GLAND ENTER THE INTERSTITIAL FLUID AND THEN DIFFUSE DIRECTLY INTO THE BLOODSTREAM WITHOUT FLOWING THROUGH A DUCT.
ENDOCRINE GLAND
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THE SECRETIONS OF AN ENDOCRINE GLAND; THEY REGULATE MANY METABOLIC AND PHYSIOLOGICAL ACTIVITIES TO MAINTAIN HOMEOSTATIS.
HOROMONES
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THE SECRETIONS OF THIS GLAND GOES INTO DUCTS THAT EMPTY ONTO THE SURFACE OF A COVERING AND LINING EPITHELIUM SUCH AS THE SKIN SURFACE OR THE LUMEN OF A HOLLOW ORGAN.
EXOCRINE GLAND
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GLANDS MADE UP OF ONE CELL.
UNICELLULAR GLANDS
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GLANDS COMPOSED OF MANY CELLS THAT FORM A DISTINCTIVE MICROSCOPIC OR MACROSCOPIC ORGAN.
MULTICELLULAR GLANDS
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A MULTICELLULAR GLAND WHOSE DUCTS DO NOT BRANCH
SIMPLE GLAND
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A MULTICELLULAR GLAND WHOSE DUCTS BRANCH.
COMPOUND GLAND
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AN EXOCRINE GLAND WHOSE SECRETIONS ARE SYNTHESIZED ON RIBOSOMES ATTACHED TO ROUGH ER; PROCESSED, SORTED, AND PACKAGED BY THE GOLGI COMPLEX; AND RELEASED FROM THE CELL IN SECRETORY VESICLES VIA EXOCYTOSIS.
MEROCRIN GLAND
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AN EXOCRINE GLAND THAT ACCUMULATES ITS SECRETORY PRODUCT AT THE APICAL SURFACE OF THE SECRETING CELL, THEN THAT PORTION OF THE CELL PINCHES OFF FROM THE REST OF THE CELL TO RELEASE THE SECRETION.
APOCRINE GLAND
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AN EXOCRINE GLAND THAT ACCUMULATES ITS SECRETORY PRODUCT IN ITS CYTOSOL, MATURES, RUPTURES AND BECOMES THE SECRETORY PRODUCT; ITS THEN REPLACED BY A NEW CELL.
HOLOCRINE GLAND
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THE TYPE OF TISSUE THAT BINDS, SUPPORTS AND STRENGTHENS OTHER BODY TISSUES; PROTECTS AND INSULATES INTERNAL ORGANS; PRIMARY LOCATION OF STORED ENERGY; MAIN SOURCE OF IMMUNE RESPONSES.
CONNECTIVE TISSUE
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THE PART OF CONNECTIVE TISSUE THAT IS MATERIAL LOCATED BETWEEN ITS WIDELY SPACED CELLS.
EXTRACELLULAR MATRIX
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LARGE,FLAT CELLS WITH BRANCHING PROCESSES THAT ARE FOUND IN CONNECTIVE TISSUE.
FIBROBLASTS
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CONNECTIVE TISSUE CELLS THAT STORE TRIGLYCERIDES(FATS).
ADIPOCYTES (ADIPOSE/FAT CELLS)
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CELLS IN CONNECTIVE TISSUE THAT PRODUCE HISTAMINE; ABUNDANT ALONGSIDE THE BLOOD VESSELS.
MAST CELLS
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TWO TYPES OF WHITE BLOOD CELLS THAT CAN BE FOUND IN CONNECTIVE TISSUE.
NEUTROPHILS & EOSINOPHILS
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CONNECTIVE TISSUE CELLS THAT DEVELOP FROM MONOCYTES; HAVE IRREGULAR SHAPE WITH SHORT BRANCHING PROJECTIONS & ARE CAPABLE OF ENGULFING BACTERIA AND CELLULAR DEBRIS BY PHAGOCYTOSIS.
MACROPHAGES
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CONNECTIVE TISSUE CELLS THAT ARE SMALL AND SECRETE ANTIBODIES.
PLASMA CELLS.
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THE COMPONENT OF CONNECTIVE TISSUES BETWEEN THE CELLS AND FIBERS.
GROUND SUBSTANCE
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POLYSACCHARIDES THAT ARE FOUND IN THE GROUND SUBSTANCE OF CONNECTIVE TISSUE.
GLYCOSAMINOGLYCANS (GAGs)
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A VISCOUS, SLIPPERY SUBSTANCE THAT BINDS CELLS TOGETHER, LUBRICATES JOINTS, AND HELPS MAINTAIN THE SHAPE OF EYEBALL.
HYALURONIC ACID
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