Primera semana complemento
Transcript of Primera semana complemento
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EMBRIOLOGIA- 1 SEMANA
MD. JUAN CARLOS ROBAYOMEDICO GENERAL
LICENCIADO EN BIOLOGIA
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DESARROLLO DEL SER HUMANO
PRIMERA SEMANA
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GAMETOGENIA
ESPERMATOZOIDE OVULO
FECUNDACION
CIGOTO
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CELULA
SOMATICASEXUAL
MITOSISGAMETOS
2nMEIOSIS
n
GAMETOGENESIS
ESPERMATOZOIDE
ESPERMATOGENESIS
OVULO
OVOGENESIS
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MEIOSIS
GAMETOGENESIS2n
n
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REPLICACION
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QUIASMA
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CONSULTAR
ANOMALIASN CROMOSOMICAS
NUMERICAS ESTRUCTURALES
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CORDON SEXUAL
TUBULOS SEMINIFEROS
CORDON SEXUAL
TUBULO SEMINIFERO
ADOLESCENCIA
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CORDON ESPERMATICO DE UN FETO DE 6 MESES
ESPERMATOGONIA PRIMITIVACELULA DE SERTOLICELULA DE LEYDIG
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CORDON ESPERMATICO DE NIÑO DE 5 AÑOS
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TESTICULO PUBERAL DE UN NIÑO DE 12 AÑOS
CELULA DE SERTOLICELULA DE LEYDIGESPERMATOGONIAESPERMATOCITO PRIMARIO
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TESTICULO PUBERAL DE UN NIÑO DE 14 AÑOS
CELULA DE SERTOLI
LUZ TUBULAR
ESPERMATOGONIAESPERMATOCITO PRIMARIOESPERMATOCITO SECUNDARIOESPERMATIDE INMADURA
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TESTICULO DE ADULTO
CELULA DE LEYDIGESPERMATOGONIAESPERMATOCITO PRIMARIOESPERMATIDE INMADURA
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CORTE LONGITUDINAL DE TUBULO SEMINIFERO
CELULA DE SERTOLIESPERMATOGONIAESPERMATOCITO PRIMARIO
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LH
ADENOHIPOFISIS
Rcp CEL LEYDIG
TESTOSTERONA CEL SERTOLI
ESPERMATOGENESIS
FSH
PRODUCCION DE LIQ TESTICULAR
PRODUCCION PROTERINAINTRACEL
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CELULA DE SERTOLIESPERMATOGONIAESPERMATOCITO PRIMARIOESPERMATOCITO SECUNDARIOESPERMATIDE INMADURA
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2n= 44XYESPERMATOGONIA
ESPERMATOCITO 1RIO 2n= 44XY
PRIMERADIVISIONMEIOTICA
ESPERMATOCITO 2RIO n
22X 22Y
ESPERMATIDA n
22X 22X 22Y 22Y
ESPERMATOZOIDE n
22X 22X 22Y 22Y
SEGUNDADIVISIONMEIOTICA
MEIOSIS
ESPERMATO
GENESIS
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ESPERMIOGENESIS
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OVOGENESIS
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CEL GFERMINAL PRIMORDIAL
OVOGONIO
3ER MES
CEL FOLICULARES
OVOGONIO RODEADO
PROFASE 1RA DIVISIONMEIOTICA
FOLICULOS PRIMERDIALES
CEL CILINDRICAS
DIPLOTENE
DICTIOTENE
FIM
GONADA GENETICAMENTE FEMENINA
1 CAPA DE CEL EPITELIALES
OVOCITO PRIMARIO
CEL FOLICULARES
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FOLICULO PRIMORDIAL
OVOCITO PRIMARIO
CELULAS FOLICULARES
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FOLICULO PRIMORDIAL
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FOLICULO PRIMORDIALES
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FOLICULO PRIMORDIAL Y PRIMARIO
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v
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FOLICULO PRIMARIO
OVOCITOZONA PELUCIDACELULAS DE LA GRANULOSALAMINA BASAL DEL EPIT FOLICULARTECA FOLICULAR
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v
ESTROMA TECA FOLICULAR
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v
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OVOCITOZONA PELUCIDACELULAS DE LA GRANULOSALAMINA BASAL DEL EPIT FOLICULARTECA INTERNATECA EXTERNA
CELULAS DE LA GRANULOSA
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v
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Celulas cumulares
Celulas granulosasparietales
FOLICULO SECUNDARIO
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FOLICULO SECUNDARIO
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1RA D
IVIS
ION
MEI
OTI
CA
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PUBERTAD
FOLICULO COMIENZA A MADURAR
TRES ETAPAS
PREANTRAL
SECUNDARIO O ANTRAL
PREOVULATORIO
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CICLO OVARICOHIPOTALAMO
GNRH
ADENOHIPOFISIS
GONADOTROFINAS
FSH LH
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FSH
Cel de granulosa
maduracion
Gdf – 9 proliferacion
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Nucleo arcuato
hipotalamo
gnrh
Latente en lainfancia
En pubertadEmpieza exhibir
pulsos
LIBERACION DE LH
AUMENTA CONCENT.FACTOR PROMOTOR
MADURACION
ESTIM. PROD PR4 PROVOCA RUPTURAFOLICULAR YOVULACION
LEPTINA
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hipotalamo
gnrh
NORADRENALINA
ESTIMULAO
DOPAMINA YOPIOIDES ENDOGENOS
INHIBE
CATECOLESTROGENOS
CONCENTRACION DE ESTROGENOS
INHIBEESTIMULA
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hipotalamo
gnrh
ADENOHIPOFISIS LhFSh
OVARIO
DISMINUCION ESTROGENOS
↓ Lh FSh
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hipotalamo
gnrh
ADENOHIPOFISIS LhFSh
OVARIO
AUMENTO ESTROGENOS
Lh↓ FSh
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ovario
Teca internaCELULA DE GRANULOSA
ANDROGENOS
ANDROSTENODIONA
testosterona
LHFSH
AROMATIZACION
RCPFSH
RCPFSH
RCPFSH
RCPFSH
RCPFSH
Liquido folicular
ESTROGENOS
INHIBINA
P450 arom
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DE QUE DEPENDE DE QUE DE LOS 20FOLICULOS UNO SOLO SEA EL FUTURO
OVULO???
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SELECCIÓN DEL FOLICULO DOMINANTE
ESTROGENOS FSH
AUMENTO
↓ FSH↑ LH
CELULA DE GRANULOSA
ESTROGENOS INHIBINAS
HIPOTALAMO HIPOFISIS
↓ FSH↑ LH
↑ RCP PARA LH↓ SINTESIS RCP FSH
IGF II
LUTE
INIZ
ACIO
NH
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MAYOR NUM DE RCP FSH
NO CAPTA LA POCA FSHQUE SE SINTETIZA
HACE POSIBLEAROMATIZACION
FOLICULO
MENOR NUM DE RCP FSH
NO HAY AROMATIZACION
ATRESIA DEL FOLICULO
CAPTA LA POCA FSHQUE SE SINTETIZA
FOLICULOPREOVULATORIO
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RCPFSH
RCPLH
RCPFSH
RCPLH
RCPFSH
RCPLH
RCPLH
RCPLH
RCPLH
RCPLH
RCPFSH
RCPLH
RCPLH
RCPFSH
LH
RIBOSOMA
PROGESTERONAPr PROTEOLITICAS
OVULACION
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OVULACION
CEL TECA CEL GRANULOSALH
RCP PARA LDL
ALMACENAMIENTO DECOLESTEROL
CUERPO LUTEO
PROGESTERONA
PICO AL 8VO DIA
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CUERPO LUTEO
CELULAS DE LA GRANULOSA LUTEICAS
CAVIDAD FOLICULAR
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CUERPO LUTEOCAVIDAD FOLICULAR
CGL CTL
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CUERPO LUTEO
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CUERPO LUTEO
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CUERPO LUTEO
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CUERPO LUTEO GRAVIDICO SI FECUNDACION
SINCITIOTROFOBLASTO
GONADOTROPINA CORIONICA HUMANA
CUERPO LUTEO
CUERPO LUTEO GRAVIDICO
PRODUCE P4 HASTA EL 4TO MES
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CORPUS ALBICANS NO FECUNDACION
CUERPO LUTEO
DISMINUCION DE TAMAÑOMASA CICATRIZAL FIBROSA
DISMINUCION DE PRODUCCION P4
HEMORRAGIA MENSTRUAL
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CORPUS ALBICANS
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CORPUS ALBICANS
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SI FECUNDACION
FUSION de los gametos
AMPOLLA DE LA TROMPA UTERINA
PARA QUE SE DE FECUNDACION
CAPACITANCION REACCION ACROSOMICA
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CAPACITANCION
MADURACION EN EL EPIDIDIMO
PROCESO DE ACTIVACION
↑ DE LA ACTIVIDAD DE LA ADELINATO CICLASA
↑ DE LA CONCENTERACION DEL AMPC
ACTIVACION DE FOSFOLIPASAS DE MEMBRANA DE
PERTURBACION DE LA MEMBRANA PLASMATICA
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CAPACITANCION
↑ DE LAS CONCENTRACIONES DE CALCIO
ELIMINACION DE LOS GLUCOCONJUGADOS DEL LIQUIDO SEMINAL
ELIMINACION DEL COLESTEROL DE LA MEMBRANA PLASMATICA,
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Sp56Sp95 GalTasa
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Sp56Sp95 GalTasa
Ca++
Ca++
Ca++
Ca++
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REACCION ACROSOMICA
UNION A RCP DE LA MEMBRANA PELUCIDADESATA
LIBERACIÓNPOR EXOCITOSIS DE PROTEASAS Y HIALURONIDASA
EXPOSICIÓN DE PROTEÍNAS DEL ESPERMATOZOIDE QUE SE UNEN A ZP2
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FASES DE LA FECUNDACION
Fase i
Penetracion de la corona radiada
Fase ii
PENETRACION DE LA ZONA PELUCIDA
Fase iII
FUSION MEMB CEL OVOCITO – ESPERMATOZOIDE
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FASES DE LA FECUNDACIONFase IIi
FUSION MEMB CEL OVOCITO – ESPERMATOZOIDE
Reaccion cortical y de zona
Impenetrabilidad DE LA MEMBRANA DEL OVOCITOPARA A OTROS ESPERMATOZOIDES
ZP MODIFICA ESTRUCTURA Y COMPOSICION PARA Impedir UNION Y PENETRACION DE OTROS ESPERMATOZOIDES
IMPEDIR POLISPERMIA
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FASES DE LA FECUNDACIONFase iII
FUSION MEMB CEL OVOCITO – ESPERMATOZOIDE
REANUDACION 2DA DIVISION MEIOTICA
FORMACION DEL SEGUNDO CUERPO POLAR
FORMACION DEL OVOCITO DEFINITIVO (22 + x)
PRONUCLEO FEMENINO
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FASES DE LA FECUNDACIONFase iII
FUSION MEMB CEL OVOCITO – ESPERMATOZOIDE
ACTIVACION METABOLICA DEL CIGOTO
ACTIVACION METABOLICA DEL CIGOTOFALTA PAGINAS 42 Y 43
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FASES DE LA FECUNDACION
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segmentacion
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FECUNDACION
CIGOTO
MITOSIS
BLASTOMERAS
COMPACTACION
MORULACEL INTERNAS CEL EXTERNAS
MASA CEL INTERNAS MASA CEL EXTERNA
TEJIDO DEL EMBRION TROFOBLASTO
PLACENTAEMBRIOBLASTO
3F
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BLASTOGENIA
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MORULA
UTERO4F
LIQUIDO
BLASTOCELE
TROFOBLASTOEMBRIOBLASTO
BLASTOCISTO
BLASTOGENIA
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6F
BLASTOCISTO
BLASTOGENIA ADHERENCIA EPITELIO
ENDOMETRIAL
TROFOBLASTOMATRIZ EXTRACEL
RCP INTEGRINAS
LAMININA FIBRONECTINA
ADHESION
RCP FIBRONECTINA
MIGRACION
TROFOBLASTO
CITOTROFOBLASTO SINCITIOTROFOBLASTO
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