Download - Anatomia Se4 P20091
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Anatomia - revisão
4º períodoUNCISAL2009-1
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ANATOMIA E FISIOLOGIA
• QUAL É O OBJETO DE ESTUDO ?
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IMAGENOLOGIA
QUAL É O OBJETO DE ESTUDO?
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Organização estrutural Átomos → Moléculas - nível químico Células – unidade estrutural e funcional Tecidos - grupos de células + matriz celular Órgãos – grupos de tecidos com forma e função
específicas
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Tecidos
• Grupos de células semelhantes entre si e com a matriz extracelular, possuem uma função específica
• 4 tipos básicos
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1-Epitelial: cobre as superfícies internas e externas do corpo, incluindo a superfície
interna dos vasos e órgãos
Pele Traquéia Mucosa oral Endotélio vascular
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FR = 1ª costela
M = manúbrio
C = clavícula
T = traquéia
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premedofcolor.wordpress.com
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Arco Aórtico a Direita
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2. Conjuntivo: une e sustenta as várias estruturas
Tecido conjuntivo frouxo Tecido conjuntivo adiposo Tecido conjuntivo denso
Tecido conjuntivo ósseo Tecido conjuntivo cartilaginoso Tecido conjuntivo reticular
EpitélioM.Basal
Tecido conjuntivo
Cpilar
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3. Muscular: compõe a substância dos músculos
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: www.myoquip.com.au/HipneeFlex.htm
1, Rectus abdominis muscle. 2, Colon 3, Liver. 4, Right kidney. 5, Inferior vena cava. 6, Psoas muscle. 7, Aorta. 8, Lower pole of the left kidney. 9, Left colon. 10, External oblique muscle. 11, Internal oblique muscle. 12, Transversus abdominis muscle.
www.info-radiologie.ch/abdominal_ct.php
radgame.stanford.edu/.../Xray/pages/Xray-1.htm
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4. Nervoso: compõe a substância dos nervos e centros nervosos.
www.web-books.com/.../Nervous/Nervous.htmporpax.bio.miami.edu/.../neurophysiology.htm
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Órgãos• Tecidos se unem para realizar uma função
específica • Formato específico• Rins, coração, fígado, pulmões, estômago e
cérebro
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Sistemas Grupo de órgãos com função similar
Tecido
Órgão
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10 sistemas orgânicos
1. esquelético2. circulatório,3. digestivo4. respiratório,5. urinário,6. reprodutor7. nervoso, 8. muscular,9. endócrino10. tegumentar
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Sistema Esquelético
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Função?
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Sistema Esquelético 206 ossos1. Sustentar e proteger o corpo2. Permitir os movimentos através da
interação com os músculos formando alavancas
3. Produzir células sangüíneas4. Armazenar cálcio
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Sistema Circulatório
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• Órgãos cardiovasculares (coração, sangue e vasos
sangüíneos)
• Sistema linfático (linfonodos, vasos linfáticos )
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Função?
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Sistema Circulatório
1. Distribuir oxigênio e nutrientes para todas as células do organismo
2. Retirar escórias e CO2 das células3. Transportar água, eletrólitos, hormônios e enzimas4. Imunidade5. Coagulação6. Regulação da temperatura corporal
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Sistema Linfático• Drenar o excesso de
fluido intersticial para o sistema circulatório
• Transporte de nutrientes do sistema digestório para o circulatório
• Resposta imune
O sistema linfático não realiza TROCAS – essa função é do sistema circulatório
O movimento da linfa se faz através da compressão produzida pela contração vascular e
muscular
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www.szote.u-szeged.hu/radio/erek/aperi10c.htm
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Sistema Digestório
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Sistema Digestório
Canal alimentar :Boca, faringe, esôfago, estômago,
intestinos delgado e grosso e ânus Órgãos acessórios:
glândulas salivares, fígado, vesícula biliar e pâncreas
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Função?
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Preparar o alimento para ser absorvido pelas células (processos físicos e químicos de degradação)
Eliminar escórias sólidas do organismo
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Fígado, vias biliares e pâncreas
Intestino Delgado
Intestino Grosso
EsôfagoBoca
Mastigação/Saliva
Trituração/Reservatório/Hidrólise de proteínas
(pepsina/lipase)
Completar digestão/ absorção
Adição de enzimas /suco digestivo
Absorção de água/ formação das fezes
Estômago
Transporte
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Sistem Respiratório
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Sistema Respiratório
• Nariz, boca, faringe, laringe, traquéia e árvore brônquica • Dois pulmões
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Função?
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Fornecer oxigênio ao sangue e às células
Eliminar o dióxido de carbono do sangue
Auxiliar na regulação do equilíbrio ácido-básico
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home.comcast.net/~wnor/thoraxradiology.htm
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home.comcast.net/~wnor/thoraxradiology.htm
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Sistema Urinário
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Sistema Urinário
• Órgãos que produzem, coletam e eliminam a urina.
• Rins, ureteres, bexiga e uretra.
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Função?
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1. Regular a composição química do sangue
2. Eliminar escórias do organismo3. Regular o balanço e o volume hidro
eletrolítico4. Manter o equilíbrio ácido-básico do
organismo
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Sistema Reprodutor
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Sistema Reprodutor
Ógãos que produzem, transportam e armazenam células germinativas
Testículos e ovários produzem células germinativas maduras.
Órgãos de transporte e armazenamento– Homem: Ducto deferente, próstata e
pênis– Mulher: útero, trompas uterinas e
vagina
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www.lahey.org/.../Ultrasound_Pelvic.asp
istmo
ampola
Porção uterina
infundíbulo
fimbrias
Ostio abdominal utero
ovário
Meso-salpinge
Óstio uterino
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Trompa
Trompa pérvia – extravasamento do contraste injetado
Cânula
www.uptodateonline.com/patients/content/topic...
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Bexiga
Vesículas seminais
PróstataGlândula de Cowper
Vesículas seminais
Duto deferenteVesículas seminais
Testículos
Bolsa escrotal
Cospo esponjoso
Corpo cavernoso
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Sistema Nervoso
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Sistema Nervoso
• Encéfalo, medula espinhal, nervos, gânglios e órgãos sensoriais especiais (olhos/ouvidos)
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regular as atividades corporais através de impulsos elétricos que correm pelos nervos.
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Lobo FrontalLobo Parietal
Àrea da leitura e compreensão
Lobo Occipital
Àrea sensitiva da fala (Wernicke)
Cerebelo
Medula Oblonga
Lobo Occipital
Lobo Parietal
Giro pós central
Giro pré central
Àrea pré-motora
Lobo Frontal
Fissura longitudinal
Àrea motora da fala (Broca)
Lobo Temporal
Ponte
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Corno Frontal
III Ventrículo
Forames de Monro
Corno Temporal
Corno Occipital
Aqueduto de Sylvius
IV Ventriculo
Canal ependimal central
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Sistema Muscular
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Sistema Muscular
• Musculatura Esquelética (43% do peso corpóreo) estriada/voluntária
• Musculatura Visceral (órgãos ôcos)
lisa• Musculatura Cardíaca - estriada /involuntária
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Permitir movimentoManter posturaProduzir calor
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SistemaEndócrino
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Sistema Endócrino
• Glândulas desprovidas de ductos:– testículos, ovários, pâncreas, adrenais, timo,
paratireóides, tireóide, pineal e hipófise.
• Placenta : glândula endócrina temporária.• Libera hormônios diretamente na corrente
sangüínea.• Função: regular as atividades corporais através
de hormônios
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A avaliação através de imagens do sistema endócrino é muito
complexa e vamos discutir no decorrer do curso, pois
são necessários vários métodos de imagem, não
apenas Radiologia Convencional que é o
objeto de nosso estudo agora