erythropoiesis Flashcards
process of RBC FORMATION TAKESS PLACE INSIDE THEE BONE MARROW
ERYTHROPOIESIS
TOTAL MASS OF RBCS CIRCULATING IN THE PERIPHERAL BLOOD ADN THE BONE MARROW RBC PRECURSOR
ERYTHRON
ERYTHROCYTES IN THE CIRCULATION
RBC MASS
A TERM THAT DESCRIBE THE DYNAMICS OF RBC CREATION AND DESTRUCTION
ERYTHROKINETICS
PRODUCTION OF DEFEECTIVE ERYTHROID PRECUSOR
INFFECTIVE ERYTHROPOIESIS
EXAMPLES OF CONDITIONS OF INEFFECTIVE ERYTHROPOIESIS
VITAMIN B12 DEFICIENCY
FOLATE DEFICIENCY
THALASSEMIA
SIDEROBALSTIC ANEMIA
DECREASE IN THE NUMBER OF RBC PRECURSOR IN THE BONE MARROW
INSUFFICIENT ERYTHROPOIESIS
EXAMPLES CONDITIONS OF INSUFFICIENT ERYTHROPOIESIS
IRON DEFICIENCY ANEMIA
RENAL DISEASE
ACUTE LEUKEMIA
IMMATURE HEMTAPOIETIC CELL THAT IS COMMITTED TO A CELL LINE BUT CANNOT BE IDENTIFIED MORPHOLOGICALLY
PROGENITOR CELLS
IMMATURE HEMATOPOIETIC CELL. THAT IS MORPHOLOGICALLY IDENTIFIABLE AS BLEONGING TO GIVEN CELL LINE
PRECURSOR CELLS
EARLIEST MARKER OF ERYTHROID PRECURSOR AND TRANSFERRIN RECEPTOR
CD71
EXAMPLES OF HORMONE RELATED TO ERYTHROPOIESIS
EPO
GROWTH HORMONE
TESTOSTERONE
PROLACTIN.
ESTROGEN
CHIEF STIMULATOR CYTOKINE FOR RBC
EPO
MAJOR HORMONE THATT STMULATES THE PRODUCTION OF RBC
EPO
PRIMARY CELL SOURCE OF EPO
PERITUBULAR INTERSTITIAL CELL (KIDNEY
PRIMARY TARGET OF EPO
BFU-E AND CFU-E
NORMMALLY EPO ISS RELEASED FROM THE KIDNEY INTOO THE BLOOD IN RESPONSE TO ___
HYPOXIA
TRANSPORT PROTEIN OF IRON IN THE BLOOD
TRANSFERRIN
EPO SIME OF THE CURRENT./ POTENTIAL THERAPEUTIC APPLICATIONS
ANEMIA OF CHRONIC RENAL DISEASE
AUTOLOGOUS PREDOMINATION BLOOD COLLECTION
ANEMIA IN HIV INFECTION TO PERMIT USE OF AZT
PRODUCED BY. PITUITARY GLAND
STIMULATES ERYTHROPOIESIS DIRECTLY
GROWTH HORMONE
PRODUCED BY TESTES AND STIMULATES ERYTHROPOIESIS INDIRECTLY
___—> KIDNEYS—> EPO—> BM—> RBC
TESTOSTERONE
PRODUCED BY PITUITARY GLAND THAT STIMULATES ERYTHROPOIESIS DIRECTLY
PROLACTIN
PRODUCED BY OVARIES THAT INHIBITS ERYTHROPOIESIS INDIRECTLY
ESTROGEN
EARLIEST COMMITTED PROGENITOR
BFU-E
2 COMMITTED ERYTHROID PROGENITOR CELLS
BFU-E (BURST- FORMING UNIT- ERYTHROID) AND CFU-E (COLONY FORMING UNIT- ERYTHROID)
HOW MANY WEEK/S FROM BFU-E TO CFU-E
1 WEEK
HW MANY WEEK/S FROM CFU-E TO RUBRIBLAST
1 WEEK
IT TAKES ABOUT ___ FOR THE BFU-E TO MATURE AND ERYTHROCYTE OF WHICH APPROXIMATELY ___ ARE SPENT RECOGNIZABLE PRECURSOR IN THE B,
18-21 DAYS
6 DAYS
ERWER
EXAMPLES OF SUPRAVITAL STAIN USED TO DEMONSTRATION OF RETICULOCYTES
BCB (BRILLIANT VRESYL BLUE)
NMB (NEW METHYLENE BLUE)
WHEN RETICULOCYTE COUNT ARE FOUND IN A WRIGHT STAIN SMEAR THEY ARE CALLED
POLYCHROMATOPHILIC ERYTHROCYTES
DIFFUSELY BASOPHILIC ERYTHROCYTE
MORPHOLOGICAL FEATURES USED TOO IDNTIFY ANS TAGE RBC AND WBC PRECURSOR
NC RATIO
PERTAINS TO THE BLUENESS OF A PARTICULAR PART OF THE CELL AND IS DUE TO THE ACIDIC COMPONENT THAT ATTRACT BASIC STAIN
BASOPHILIA
PERTAINS TO THE PINKNESS OF A PARTICULAR PART OF THE CELL AND IS DUE. TO THE ACCUMULATION OF MORE BASIC COMPONNETS THAT ATTRACT THE ACID STAIN EOSIN
EOSINOPHILIA
EARLIEST RECOGNIZABLE ERYTHROID PRECURSOR USING THE LIGHT MICROSCOPE
RUBRIBLAST
COARSER CHROMATIN
ABSENCE OF NUCLEOLI
LAST STAGE WITH NUCLEOLI
ADN 1 STAGE OF HB SYNTHESIS
PRORUBRICYTE
LAST STAGE CAPABLE OF MITOSIS
1ST STAGE IN WHICH THE CYTOPLASM IS PINKK
RUBRICYTE
NUCLEUS IS EXTRUDED AT THIS STAGE AND THE CELL BECEAOMES A RETICULOCYTE
LAST STAGE WITH NUCLEUS
METARUBRICYTE
LAST STAGE OF HEMOGLOBIN SYNTHESIS
RETICULOCYTE
HOW MANY DAYS DOES THE RETICULOCYTE SPENDS IN THE BONE MARROW
2 TO 3 DAYS
HOW MANY DAYS DOES THE RETICULOCYTE SPENDS IN PERIPHERAL BLOOD
1 DAY
WHAT IS THE SHAPE OF RETICULOCYTE IN THE ELECTRON MICROGRAPHS
IRREGULAR
NUMBER OF ERYTHROCYTE PRODUCED FROM EACH RUBRIBLAST
8-32
NORMAL RATIO OF RBC TO WBC
600:1
NORMAL RATIO OF RBCS TO PLATELET
15:1
AVERAGE LIFE SPAN OF RBC
120 DAYS
ENVELOPED EXTRUDED NUCLEUS
ENGUKFED BY BONE MARROW MACROPHAGE
PYRENOCYTE
RUBRICYTE OR LYMPHOCYTE
NUCLEUS IS CHECKER BOARD
COLOR OF CYTOPLASM IS MUDDY OR GRAY
RUBRICYTE
RUBRICYTE OR LYMPHOCYTE
NUCLEUS IS CRUSHED VELVET
COLOR OF CYTOPLASM IS SKY BLUE OR RONAN BLUE
LYMPHOCYTE
RUBRIBLAST GIVES RISE TO ____ PRORUBRICYTES
2
THE PRORUBRICYTE GIVES RISE TO _____
4 RUBRICYTE
WHAT ARE THE RBC MEMBRANE CONSTITUENTS
8% CARBOHYDRATES
40% LIPIDS
52% PROTEINS
ALSO PROVIDE THE VERTICAL SUPPORT CONNECTING THE LIPID BILAYER TO TEH UNDERLYING CYTOSKELETON TO MAINTAIN MEMBRANE INTEGRITY
TRANSMEMBRANE PROTEIN
EXAMPLES OF TRANSMEMBRANE PROTIEN
AQUAPORIN 1
BADN 3
CA 2+ ATPase
duffy
GLUT 1
GLYCOPHORIN A
GLYCOPHORIN B
GLYCOPHORIN C
ICAM 4
KELL
KIDD
RH
RHAG
FX OF THS TRANSMEMBRANE PROTEIN IS WATER TRANSPORTER
AQUAPORIN 1
FX OF THS TRANSMEMBRANE PROTEIN IS ANION TRANSPORTER AND SUPPORT ABH ANTIGENS
BAND 3
FX OF THS TRANSMEMBRANE PROTEIN IS CA2+ TRANSPORTER
CA2+ ATAPASE
FX OF THS TRANSMEMBRANE PROTEIN SUPPORT DUFFY ANTIGENS
DUFFY
FX OF THS TRANSMEMBRANE PROTEIN GLUCOSE TRANSPORTER, SUPPORT ABH ANTIGEN
GLUT-1
FX OF THS TRANSMEMBRANE PROTEIN TRANSPORT NEGATIVELY CHARGED SIALIC ACID, SUPPORTS DETERMINANTS
GLYCOPHORIN A
FX OF THS TRANSMEMBRANE PROTEIN TRANSPORT NEGATIVELY CHARGED SIALIC AICD SUPPORT SS DETERINANTS
GLYCOPHORIN B
FX OF THS TRANSMEMBRANE PROTEIN TRANSPORT NEGATIVELY CHARGED SIALIC ACID SUPPORTS GERBICH SYSTEM DETERMINANTS
GLYCOPHORIN C
FX OF THS TRANSMEMBRANE PROTEIN INTEGRIN ADHESION
ICAM 4
FX OF THS TRANSMEMBRANE PROTEIN ZN 2+ BINDING ENDOPEPTIDASE, KELL ANTIGENS
KELL
FX OF THS TRANSMEMBRANE PROTEIN UREA TRANSPORTER
KIDD
D AND CcEe ANTIGENS
RH
NECESSARY FOR THE EXPRESSION OF D AND CcEe
GAS TRANSPORTER PROBABLY CO2
RHAG
PROVIDE THE HORIZONTAL OR LATERAL SUPPORT FOR THHE MEMBRANE
THE SHAPE FLEXIBILITY OF THE RBC DEPENDS ON THE SYTOSKLETOON
SKELETAL PROTEINS
PRIMARY CYTOSKELETAL PROTEINS
ALPHA SPECTRIN
BETA SPECTRIN
DEFECT N PROTEIN THAT DISTURBS VERTICAL MEMBRANE INTERACTIONS BETWEEN TRANSMEMBRANE PROTEINS AND UNDERLYING CYTOSKELTON LOSS OF MEMBRANE AND DECREASED SURFACE AREA TO VOLUME RATIO
HEREDITARY SPHEROCYTOSIS
SOLUTION FOR PX WITH SPHEROCYTE
SPLENECTOMY
MOST SENSITIVE AND SPECIFC TEST TO CONFIRM THE DIAGOSIS OF HS
EMA BINDING TEST
DEFECT IN PROTEINS THAT DISRUPT THE HORIZONTAL-LINKAGES IN THE PROTEIN CCYTOSKELTON LOSS OF MECHANICAL STABILITY OF MEMBRANE
HEREDITARY ELLIPTOCYTOSIS
SEVERE DEFECT IN SPECTRIN THAT DISRUPTS HORIZONTAL LINKAGES IN PROTEIN CYTOSKLETON; SEVERE RBC FRAGMENTATION
HEREDITARY PYROPOIKILOCYTOSIS
DEFECT IN BAND 3 CAUSING INCREASED MEMBRANE RIGIDITY; RESISTANT TO MALARIA AND PREVALENT. IN SOME ARE OF SOUTHEAST ASIA
HEREDITARY OVALOCYTOSIS
INCREASED MEMBRANE PERMIABILITY TO SODIUM AND POTASSIUM
INCREASED INTRACELLULAR SODIUM CAUSING INFLUC OF WATER
INCREASE IN CELL VLUME AND DECREASED CYTOPLASMIC VISCOSITY
DEFICIENT IN RHAG
OVERHYDRATED HEREDITARY STOMATOCYTOSIS
INCREASED MEMBRANE PERMEABILITY TO POTASSIUM; DECREASED INTRACELLULAR POTASSIUM RESULTING IN LOSS OF WATER FROM CELL DECREASE IN CELL VOLUME, ADN INCREASED CYTOPLASMIC VISCOSITY
HEREDITARY XEROCYTOSIS
TYPICAL RBC MORPHOLOGY FOR OVERHYDRATED HEREDITARY STOMATOCYTOSIS
STOMATOCYTE
MACRCYTES
TYPICAL RBC MORPHOLOGY FOR DEHYDRATED HEREDITARY STOMATOCYTOSIS
TARGET CELL
BURR CELLS
STOMATOCYTE
RBCS WITH PUDDLED” HEOGLOBIN AT PERIPHERY DESSICIATED CELLS WITH SPICULES
DEHYDRATED HEREDITARY STOMATOCYTOSIS
MUTATIONS THAT CHANGE MEMBRANE STRUCTURES
HEREDITARY SPHEROCYTOSIS
HEREDITARY ELLIPTOCYTOSIS
HEREDITARY OVALOCYTOSIS
( DISEASES)MUTATIONS THAT CHANGES MEMBRANE TRANSPORT PROTEIN
OVERHYDRATED HEREDITARY STOMATOCYTOSIS
DEHYDRATED HEREDITARY STOMATOCYTOSIS
RARELY DONE BECAUSE OF INACCURACY AND QUESTIONABLE NECESSITY
MANUAL RBC COUNT
RBC COUNT, HEMOGLOBIN AND HEMATOCIRT VALUES ARE___ IN PEOPLE LIVING AT A HIGHEER ALTITUDE VER WHAT. THEY WOULD BE AT SEA LVEL
ELEVATED
THE HB IS ITHE DIFFERENCE OF VALUES IN HIGHER ALTITUDE IS
1g/hb/dl at 2km altitude
2g. hb/dl
MAJOR GLYCOLYTIC OPATHWAY IN RBC
EMBDEN-MEYERHOF PATHWAY
HOW MANY. ATP DOES EMBDEN MEYERHOF PATHWAY PRODUCE
2
MOST COMMON ENZYME DEFICIENCY OF THE EMP AND IS THE MOST COMMON FORM OF HEREDITARY NONSPHEROCYTIC HEMOLYTIC ANEMIA
PK DEFICIIENCY
POSSIBLE PBS FINDING INCLUDES IN PK DEFICIENCY
ACANTHOCYTES ADN BURR CELL
RECOMMENDED SCREENING TEST FOR PK DEFICIENCY
PK FLUORESCENT SPOT TEST
SCREENING TEST FOR PK DEFICIENCY
AUTPHEMOLYSIS TEST
CONFIRMATORY TEST FOR PK DEFICIENCY
QUANTITATIVE PK ASSAY