Blood Vessel Images - Cranial vena cava Right atrium Caudal...

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Unformatted text preview: Cranial vena cava Right atrium Caudal vena cava/ TUNICA INTERNA: End othelium Basement memb ran 9 - Internal elastic lamina Smooth muscle External elastic lamina TUNICA EXTERNA— l umlua IN lemma, :ndolhellurn —l( easemem m murane A lmamal Elastic Iarnlna v a fur».ch MEDlA, -v emoom muse-e Fxlurrlal slasllr: lalmw l unlua ex I I:HNA Brachiocephalic trunk Abdominal Abqomen and 'll Left ventricle [hill Aorta and elaslic arteries Blood flows lewaru capillaries Lefl atrium Len ventricle contracts (svmole) and eiecls blood (a) Elaerlc aorta a nerlee sxrewh during ventricular comraelion Blood Conlinucs m Now lowaru capillaries Len venlricle relaxes (diaslole) and fills with blood (In) Elasl' aorta and aneries recoil during venlr ular lelaleion Smooth muscle fiber Endothelium Arteriole Metarteriole (relaxed) True capillary Vulvs Thorou hfale ohanne Smooth muscle fiber Precapillary sphincters Aurla and (:Ia r. : r uric BIood flows Ioward oaplllerles Len atrium Left ventricle cuntrmfls (systole) and ejecls blood (a) Elasllc aclta and anenes stretch during ventricular coniraclion ,, Len veniricle relaxes - ._ (dlastole) ancl fllls wlm blood (b) Elaslic aorta and aneries recoil during ventrlcular relexarlon Capillary bed Basement membrane Pinpcyllc veelcles Lumen lnteroellular Nucleus of cleft enllilothelial ce (a) Continuous capillary formed by endothelial cells Fen estration (POPS) Interoallular cleft PI _ ic vealclee Basement membrane Nucleus oi Lumen endothellal cell . Pinocytlc Basement veeiclee membrane Lumen Nucleus pf endothellal lnteroellular cell cleft (c) Smueoid TUNICA INTEHNA: Endothellum Basement membrane Internal elasllc larnlna Smeelh muscle [é TUNICA MEDIA: External elastic lami = 7”- :93 dug-1:4 TUNICA EXTEHNA Lumen Lumen (In) Vain LUmen Endolhelium Basement membrane fiJdn'leESuum Pressure (mm Hg} 40 20 Lyl'l'lphetic {lymph} retums to y, Excess / Tissue <’ * interstitial KEY: Cardiovascular Gang 0 " fluid BHP = Blood hydrostatic pressure system IFHP = Interstitial fluid hydrostatic pressure Lymphatic BCDP = Blood oolloid oSmotio pressure I capillary ’ IFOP = Interstitial fluid osmotic pressure NFP 2 Net filtration pressure piang Interstitial fiLIid IFHP: BEEP: EFHP HOOP: 0;? HQ 25 Tn Hg 0 mmfig 26 Film Hg BHP = T t l T 35 mm Hg IFDP = BHP = ":DP = 1mmHg Pressures promoting Net filtration filtration pressure (NFP) = (BHP + IFOP} Arterial end NFP=f35+1}-i26+0} =10 mm Hg Ftesult Net filtration Systollc'blood pressure Mean arterial blood pressure Diastolic blood pressure 15mm Hg 1"“ H9 Blood flow Arterial end of capillary: E f‘IEt filtration Venous end of capillary: net reabsorption Pressures promoting reebsorption [BCOF‘ + IFHP} NFP=[1E-+1]-f26+fl} =—QmmHg Net reebsorption Proximal valve Distal Valve Increased blood Skeletal muscle pump Respiratory volume pump Decreased Increased sympathetic Increased parasympathetic impulses and hormones venous impulses from adrenal medulla return Venoconstriction Increased number Increased oI red blood cells. body size, as as in polycythernia in obesity Eerr—Jflfl Increased Increased Increased heart rate stroke blood (HFIJI volume [SW viscosity aw Increased cardiac output {CO} Increased Decreased blood total blood vessel radius vessel length {vasoconstrictionjl fl‘f—J Increased systemic vascular resistance {SVH} %/—J Increased mean arterial blood pressure (MABFI Vague LXI nerves {parasympathetic} Cardiac accelerator Cardiovascular (C V} center nerves {sympathetic} v'asomotor nerves {sympathetic} INPUT To CARDIOVASCULAR cameo (nerve impulses) From higher brain centers: cerebral cortex, limbic system. and hypothalamus From proprioceptors: monitor joint mcvements From beroreceptors: monitor blood presSure From chemoreoaptors: monitor blood acidity {H+), cemend 02 OUTPUT TD EFFECTO HS (increased Irequ ency of nerve impulses} Heart: decreased rate Heart: increased rate and contractilily BIO-Dd VESSEIS: vasoconstriction Some stimulus Systemic capillaries of ._ disrupts I .- head, neck. and upper limbs "hgmmsms '- Left pulmonary artery ' Decreasing Aorta Blood pressure Pulmonary . capillaries of left lung Baroreceptore in arch of aorta and carotid sinus are stretched less Input {CV center in medulla J. Decreased rate of nerve impulses Fiequ to homeostasis when Increased cardiac output and increased systemic vascular resistance bring blood pressure back to non-ital Increased sympathetic, decreased Output paras mpathetic stirnu ation Increased secretion of epinephrine and is Increased heart stroke union and heart rate lead to Increased carded output Constriction of blood ves- sels increases systemic norepinephrine Pulmonary trunk Superior vena cava Flight atrium Inferior vena cava Flight ventricle Hepatic vein Sinusoids of liver Hepatic portal vein Flight common iliac vein Systemic capillaries of gastrointestinal tract Flight internal iliac lhypogastric) vein Flight external iliac vein Systemic capillaries ct pelvis Venules _ vascular resistance {9 increased blood pressure Baroreoeptors in carotid sinus Glossopharyngeal ' {IX} nerves Cardiovascular“ - \ I {CV} center ( Baroreceptors ‘ in arch of aorta \\ ' ' Vague (X) nerves ._ I I ‘ (parasympathetic) ‘ ‘ Medulia oblongata SA node AV node Ventricular myocard i um Cardiac accelerator S ' I d Plna CC" nerve (sympathetic) Sensory (afferent) neurons 1(— _ Motor {efferent} neurons _,.. = _ Sym pathetic tru nlc Intemeuron —)- ganglion Left pulmonary veins Left atrium Left ventricle Celiac trunk Common hepatic artery Left gastric artery Splenic artery Capillaries of stomach Capillaries of spleen Superior mesenteric arteryr Inferior mesenteric artery Left common iliac arteryr Left internal iliac lhypogastric) arteryr Left external iliac artery Arte ri oleS Systemic capillaries of lower limbs I-Iypmr-ulemh shock :19an by Moderate-15' distressing Blood veiume and him-cl pressure H l Decreased rate {if nerve imp-melee i mleaseofrenm I ,3 “a Hemmto- _ .- \Nl .' and 'I cu m I hunts-missus A m ‘m ' passerier pituitary ' ' m r n Mien responses "9 In find I ' b bin-ad whine .' -_ .l and restaura- ‘ A% / K“ x i / bank to neflnd Kai-H. _,—o-"" an- HH__ _ .l ._ _ _ eurputn An inlensin If ADH In _' Increased Sjl'fi'l alhelic: in I: and bitter! stimuietien a hormones - — from adrenal meduila Martel annex Hitters Blond Heart liberates cuneewe veneers rele and afloaterene salt and summer pontme water "Increase I l I ler Inmased systemic: vascuiar resistame “Erma” blood blend whims prams Inferior vena Abdominal cava aorta Hepatic Hepatic Inferior _ h gags? Its; veins artery mesenter": intestine vein . Tributaries from Sglrentc h portions of stomach, pancreas. and large intestine Hepatic h portal K vein Tributaries from Superior h smail intestine and mesenteric portions of large intestine, vein stomach, and pancreas main Inlarldr vena cava man“ HEPflTIC PORTAL solooo Short gastric. Lioor LE“ 935"“ Pancreas {behind BlurnEli'h} SPLENIG 03min Lon gastroeplplolc Gallbladder __ I Fllght gaslfic Duodenum _ _'_'"'-: - - Inferior maoontario Flight gaslmaplplulc Demanding calm llamnlic Cm". Sigmnid oolon Appendix Superior Arch fif vena GEWEI gang 1 Left a Fulfilme aria ry aflBlT I'll" Ascending Hi?ht aorta pu monary veins Len pulle‘lfiW Pulmona 1.?" mama trunk Diaphragm . - - - Abddmlnal Inferior ' .. ' " - aorta {a} Anterior view (a: FEM cimfliun Mo:th aunt: SWEIiDF manna saw-a DUCTUS AR'I'EFIIDBUS mom-s ngmmum mum 1 lawns Mm umflllfll Imam unwary mud-r Plat-ma ...
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Blood Vessel Images - Cranial vena cava Right atrium Caudal...

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