Tissues (Histology) - WK3 L3 Flashcards
WHAT ARE THE FOUR PRIMARY TISSUE TYPES?
EPITHELIAL - CONNECTIVE - NERVOUS - MUSCULAR
WHAT ARE EPITHELIAL CELLS COMPOSED OF?
CLOSELY SPACED LAYERS OF CELLS
ARE EPITHELIAL CELLS AVASCULAR?
YES
WHAT IS AVASCULAR?
NO ROOM BETWEEN CEELS FOR BLOOD VESSELS
WHERE ARE EPITHELIAL CELLS LOCATED?
UPPER SURFACE USUALLY EXPOSED TO ENVIRONMENT OR IN INTERNAL BODY SPACE
WHAT ARE THE 5 FUNCTIONS OF EPITHELIAL CELLS?
PROTECTION- SECRETION - ABSORBTION - FILTRATION - SENSATION
WHAT ARE EXAMPLES OF PROTECTION OF EPITHELIAL CELLS?
THE OUTER LAYER OF SKIN PROTECTING THE UNDERLYING STRUCTURES FROM ABRASIONS
WHAT ARE EXAMPLES OF SECRETION OF EPITHELIAL CELLS?
MUCUOUS GLANDS, SWEAT GLANDS, ENZYME SECRETING GLANDS OF PANCREAS COMPOSED OF EPITHELIAL CELLS
WHAT ARE EXAMPLES OF ABSORPTION OF EPITHELIAL CELLS?
ABSORBTION OF NUTRIENTS AND VITAMINS THROUGH SKIN
WHAT ARE EXAMPLES OF FILTRATION OF EPITHELIAL CELLS?
KIDNEY EPITHELIAL CELLS IN GLOMERULI FILTER WASTE FROM BLOOD CAPILLARIES
WHAT ARE EXAMPLES OF SENSATION OF EPITHELIAL CELLS?
EPITHELIAL STRUCTURES WITH SENSORY NERVE ENDINGS LIKE IN SKIN, NOSE, EARS, EYES
WHAT ARE THE 3 MAIN LAYERS OF EPITHELIAL CELLS?
SIMPLE - STRATIFIED - PSEUDOSTRATIFIED
WHAT ARE THE SIMPLE LAYERS OF EPITHELIAL CELLS?
SINGLE LAYERED - SQUAMOUS - CUBOIDAL - COLUMNAR
WHAT ARE EXAMPLES OF SIMPLE LAYERS OF EPITHELIAL CELLS?
SIMPLE SQUAMOUS - INSIDE ALVEOLI IN LUNGS
SIMPLE CUBOIDAL - KIDNEYS, LIVER
SIMPLE COLUMNAR - STOMACH, INTESTINES
WHAT ARE THE STRATIFIED LAYERS OF EPITHELIAL CELLS?
MULTIPLE LAYERS - KERATINOUS SQUAMOUS - NON KERATINOUS SQUAMOUS - CUBOIDAL - TRANSITIONAL
WHAT ARE EXAMPLES OF STRATIFIED LAYERS OF EPITHELIAL CELLS?
KERATINOUS SQUAMOUS - SKIN
NON KERATINOUS SQUAMOUS - MOUTH, ESOPHAGUS, ANUS, VAGINA
CUBOIDAL - KIDNEYS, OVARIES, TESTICLES
TRANSITIONAL - URINARY BLADDER
WHAT ARE THE PSEUDOSTRATIFIED LAYERS OF EPITHELIAL CELLS?
SINGULAR LAYERS OF IRREGULARLY SHAPED COLUMNAR CELLS
WHAT ARE EXAMPLES OF PSEUDOSTRATIFIED LAYERS OF EPITHELIAL CELLS?
RESPIRATORY AIRWAYS
WHAT ARE GOBLIN CELLS?
CELLS THAT MAKE MUCUS
WHAT ARE CONNECTIVE TISSUES COMPOSED OF?
WIDELY SPACED LAYERS OF CELLS
WHAT ARE THE 5 FUNCTIONS OF CONNECTIVE TISSUES?
BINDING - SUPPORT - PHYSICAL PROTECTION - STORAGE - TRANSPORT
WHAT ARE EXAMPLES OF BINDING OF CONNECTIVE TISSUES?
BINDS TO TENDONS, MUSCLES, BONES
WHAT ARE EXAMPLES OF SUPPORT OF CONNECTIVE TISSUES?
PROVIDES SUPPORT TO BODY AND SKELETAL SYSTEM
WHAT ARE EXAMPLES OF PHYSICAL PROTECTION OF CONNECTIVE TISSUES?
PROTECTS THINGS LIKE SPINAL CHORD AND FAT CUSHIONS ORGANS
WHAT ARE EXAMPLES OF STORAGE OF CONNECTIVE TISSUES?
STORES BODYS MAJOR ENERGY RESERVES AND PROVIDES STORAGE FOR THINGS LIKE CALCIUM FOR BONES
WHAT ARE EXAMPLES OF TRANSPORT OF CONNECTIVE TISSUES?
TRANSPORTATION OF GASES, NUTRIENTS, HORMONES, WASTE THROUGHOUT BODY
WHAT TYPES OF CONNECTIVE TISSUES ARE THRE?
FIBROUS - ADIPOSE - CARTILAGE - BONES - BLOOD
WHAT ARE THE SUBTYPES OF CONNECTIVE FIBROUS TISSUES?
LOOSE FIBROUS & DENSE FIBROUS
WHAT TYPES OF LOOSE FIBROUS CONNECTIVE TISSUES ARE THERE?
LOOSE GEL LIKE SUBSTANCE - AREAOLAR TISSUE & RETICULAR TISSUE
WHAT ARE LOOSE AREAOLAR TISSUE??
LOOSE ARRANGEMENT FO FIBRES AND CELL - BETWEEN MUSCLES, PASSAGEWAYS, NERVES & BLOOD VESSELS
WHAT ARE LOOSE RETICULAR TISSUES?
LOOSE NETWORK OF FIBRES AND CELLS - FOUND IN IMMUNE STRUCTURES
WHAT TYPES OF DENSE FIBROUS ARE THERE?
FIBRES THAT FILL SPACE BETWEEN CELLS - DENSE REGULAR CONNECTIVE TISSUE, DENSE IRREGULAR CONNECTIVE TISSUE
WHAT ARE DENSE REGULAR TISSUES?
DENSLEY PACKED PARALLEL COLLAGEN FIBRES - FOUND IN LIGAMENTS, TENDONS, HOLDS BONES TOGETHER, ATTACHES MUSCLE TO BONES
WHAT ARE DENSE IRREGULAR TISSUES?
DENSLEY PACKED, RANDOMLY ARRANGED COLLAGEN FIBRES - FOUND IN DEEP LAYERS OF SKIN, CAPSULES AROUND ORAGNS
WHAT ARE CONNECTIVE ADIPOSE TISSUES?
EMPTY LOOKING CELLS WITH THIN MARGINS, NUCLEUS PUSHED INTO CORNER - USED FOR ENERGY STORAGE, INSULATION IN SUBCUTANEOUS FAT , CUSHIONING IN VISCERAL FAT AROUND ORGANS
WHAT ARE CONNECTIVE BLOOD TISSUES?
FLUID CONNECTIVE TISSUE, CELLS BEING RED AND WHITE BLOOD CELLS - FOUND IN HEART AND BLOOD VESSELS
WHAT ARE THE SUBTYPES OF CONNECTIVE BONES TISSUES?
SPONGY - COMPACT
WHAT ARE SPONGY BONE TISSUES?
LIKE A HONEY COMB - PARTS OF BONE WITH TISSUES INBETWEEN - LAYER INSIDE COMPACT BONE
WHAT ARE COMPACT BONE TISSUES?
VERY TIGHTLY ORGANISED & TENSE - LAYER ON OUTSIDE OF THE BONE
WHAT ARE CONNECTIVE CARTILAGE TISSUES?
SUPPORTIVE CONNECTIVE TISSUES WITH FLEXIBLE RUBBERY MATRIX, NO BLOOD VESSELS - BRINGS NUTRIENTS & REMOVES WASTE
WHAT ARE THE SUBTYPES OF CONNECTIVE CARTILAGE TISSUES?
HYALINE, FIBROCARTILAGE - ELASTICCARTILAGE
WHAT ARE HYALINE CONNECTIVE CARTILAGE TISSUES?
FOUND AT ENDS OF BONES AT MOVEABLE JOINTS - STERNAL END OF RIBS - TRACHEA - - BRONCHI - SUPPORTIVE MATERIAL IN LARYNX
WHAT ARE ELASTIC CARTILAGE CONNECTIVE CARTILAGE TISSUES?
FLEXIBLE ELASTIC SUPPORT - FOUND IN EXTERNAL EAR AND EPIGLOTTIS
WHAT ARE FIBRO CARTILAGE CONNECTIVE CARTILAGE TISSUES?
RESISTS COMPRESSION AND SHOCK ABSORBING - FOUND IN PUBIC SYMOHYSIS, MENISCUS & INVERNAL VERTERBALDISCS