cartílago
TRANSCRIPT
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CARTÍLAGOESTUDIANTE DE HISTOLOGÍA
VIOLETA CORTEZ GONZÁLEZ
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TEJIDO CARTILAGINOSOOrigen mesenquimatosoCondrocitos y M.E especializadaAvascularGAG y PTGAbsorber impactos y permitir el movimiento
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TIPOS DE CARTÍLAGO CARTILAGO HIALINO Colágeno tipo II, GAG, PTG (agrecano) CARTILAGO ELASTICO Colágeno tipo II y fibras elásticas en abundancia + C.H FIBROCARTILAGO Colágeno tipo I y II gruesas y densas PTG(versicano)
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CARTILAGO HIALINO
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CARTILAGO HIALINO
TEJIDO ESQUELETICO FETALDISCOS EPIFISIARIOSSUP. ART. DIARTROSISCART COSTALESCART CAVIDAD NASALLARINGECART TIROIDESCART CRICOIDESCART ARITENOIDESANILLOS TRAQUEALESPLACAS CARTILAGINOSAS BONQUIALES
CELULAS: CONDROBLASTOS-CONDROCITOS
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COMPOSICION MOLECULAR DEL CARTILAGO HIALINO
COLAGENOS ESPECIFICOS DEL CARTILAGOEXCEPTO XII Y XIV
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ESTRUCTURA GENERAL DEL CARTILAGO HIALINO PREPADO EN H-E
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TEJIDO CONECTIVO DENSO
PERICONDRIO
CAPA DE CARTILAGO
GRUPOS ISOGENOS
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CONDROCITO
NUCLEO
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PROTEOGLUCANOS
PROTEINA DE ENLACE
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MONOMERO DE PROTEOGLUCANO(AGRECANO)(-)
HIALURONANO
DECORINABIGLUCANOFIBROMODULINANO SE AGLOMERAN PERO ESTABILIZAN LA MEC
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COLAGENO IICOLAGENO IXCOLAGENO XCOLAGENO XI
FORMA LA MAYOR PARTE INTERACCION CON PTG3D DECISIVO FUNCION MECANICAREGULA EL TAMAÑO DE LA FIBRILLA
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ESTRUCTURA DEL CARTILAGO HIALINO
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GLUCOPROTEINAS MULTIADHESIVAS SON PEQUEÑAS PROTEINAS QUE ACTUAN SOBRE LAS INTEREACCIONES DE LOS CONDROCITOS Y LAS MOLECULAS DE LA MATRIZ MARCADORES DE RECAMBIO Y DEGENERACION DEL CARTILAGO
ANCORINA CII RECEPTOR DE COLAGENO DE LOS CONDROCITOS
TENASINA ADHESION CELULAR A MECFIJA FN HEPARINA, F.C INTEGRINA CAM
FIBRONECTINASITIO DE FIJACION DE INTEGRINAS, COLAGENO IV, HEPARINA, FIBRINA
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PERICONDRIO RODEA AL CARTILAGO HIALINOFUNCIONA COMO FUENTE DE CONDROCITOS
*CARTILAGO ARTICULAR ADULTO 2-5 MM
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CARTILAGO ARTICULAR ZONA SUPERFICIAL (TANGENCIAL)RES. COMPRESION, LIQ ART, COND. PLANOS ALARGADOS, F COLAGENO II
ZONA INTERMEDIA (TRANSICIONAL)COND. REDONDOS SIN ORDEN F.COLAGENO
ZONA PROFUNDA (RADIAL)COND. REDONDOS PEQ.
ZONA CALCIFICADA COND.PEQ Z.PROFUNDA MARCA DE MAREA
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CARTILAGO ELÁSTICO
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CARTILAGO ELÁSTICO
PABELLON AURICULARCONDUCTO AUDITIVO EXTERNOTROMPA AUDITIVA (EUSTAQUIO)EPIGLOTISCART CORNICULADOSCART CUNEIFORMES
CELULAS: CONDROBLASTOS-CONDROCITOS
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CARACTERISTICAS:
PERICONDRIONO SE CALSIFICAFIBRILLAS COLAGENO TIPO IIFIBRILLAS ELASTICAS (ELASTINA)AGRECANO
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CARTILAGO FIBROSO
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CARTILAGO FIBROSO
DISCOS INTERVERTEBRALESSINFISIS DEL PUBISART. ESTERNOCLAVICULARART. TEMPOROMANDIBULARMENISCOSCOMPLEJO FIBROCARTILAGINOSO TRIANGULAR(MUÑECA)INSERCIONES TENDINOSAS CELULAS: CONDROCITOS-FIBROBLASTOS
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TCD / C. HIALINORESISTE LA DEFORMACION POR FUERZAS EXTERNASNO TIENE PERICONDRIOCONTIENE FIBROBLASTOS COLAGENO TIPO I Y COLAGENO TIPO IIVERSICANO SECRETADO POR FIBROBLASTOS SE CALCIFICA
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CONDROGENESIS SE AGLOMERAN CELULAS MESENQUIMATICAS CONDROPROGENITORASCUMULO REDEONDEADO Y DENSO
CABEZA CRESTA NEURAL > NODULO CONDROGENO > C. ECTOMESENQUIMATICAS > C. HILIANO > EXPRESION DE FRACTOR DE TRANSCRIPCION SOX-9 > LAGUNA > CONDROCITOS > TEJIDO MESENQUIMATICO ALREDEDOR DA ORG. A PERICONDRIO
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CRECIMIENTO APOSICION: PERICONDRIO
INTERSTICIAL: MITOSIS