Ch.17-19 Vocab Flashcards by hayley Delaney

Artery

How blood exits the heart;arteries branch into tiny capillaries,

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Blood

Transports nearly everything that must be carried from one place to another

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Vein

After blood leaves the capillaries it flows into these, which return it to the heart

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Plasma

Blood is suspended in this non living fluid matrix

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Hematocrit

The percentage of erythrocytes of the total volume of a blood sample

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Albumin

60% of plasma proteins; produced by liver; main contributor to osmotic pressure

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Globulins

36% of plasma proteins: includes alpha,beta( produced by liver,transport proteins that bind to lipids) and gamma ( antibodies released by plasma cells during immune responds)

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Fibrinogen

4% of plasma proteins;produced by liver; forms fibrin threads of blood clot

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Erythrocytes

Red blood cells; take up about 60% of the formed elements

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Hemoglobin

the red blood cell protein that functions in gas transport

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Henatopoiesis

Blood cell formation

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Hemocytoblast

A type of stem cell

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Erythropoiesis

Erythrocyte production

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Reticulocyte

1-2% of all erythrocytes in the blood

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Leukocytosis

Increase in number of leukocytes

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Granutocyte

Neutrophils, basophils, and eosinophils

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Neutrophil

50-70% of WBCs

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Eosinophils

2-4% of all leukocytes

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Basophils

Rarest WBC

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Agranulocyte

Lymphocyte and monocytes

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Lymphocyte

25% of WBC population

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Antibodies

Immunoglobins released into blood cells

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Monocyte

3-8% of WBC

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Leukopiesis

Production of WBC

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Myoblast

Committed cells

Platelets

Cytoplasmic fragments

Megakanyocyte

Extraordinary large cells

Hemostasis

Stoppage of bleeding

Vascular spasm

Response to injury constriction

Coagulation

Blood clotting

Anticoagulants

Factors that inhibit clottong

Clot retraction

Stabilization of blood clots

Platelet Derived growth factor

Stimulates smooth muscle cells and fibroblasts to divide and rebuild the wall

Fibrunoysis

Removes unneeded clots

Plasmin

Fibrin digesting enzyme

Plasminogen

Plasma protein

Heparin

Natural anticoagulant contained in basophil

Thrombus

Dot that persist in an unbroken blood vessel

Embolism

Obstructing the vessel

White blood transfusion

Routine when blood loss is rapid

Agglutinis

Preformed antibodies

Rn factor

50 different types if run aggiutinogens

Universal doner

O blood type donors

Universal recipient

Can receive any blood type; ABO

Autoigous transfusion

When patients pre donate their own blood

Heart

Transport system pump

Apex

Infenorly to left hip

Pericardium

Double walled sac enclosing heart

Pericardial cavity

Contains serous fluid

Epicardium

Visceral layer of senous pericardium

Myocardium

Firms bulk of heart

Endocardium

Sheet of endothelium

Atria

Superior chambers of heart

Ventricles

Inferior chamber of heart

Auncles

Protruding appendages

Superior vena cava

Returns blood from superior regions

Interior sena cava

Returns blood from inferior regions

Pulmonary veins

Enter left atrium

Pulmonary trunk

Routes blood to lings

Aorta

Largest artery in the body

Pulmonary circuit

Serves gas exhange

Systematic circuit

Blood vessels carrying blood supply

Atrioventricular valve

Prevents backflow

Tricuspid valve

Right hv valve

Mitraivalve

Left av valve

Choirboys tendinae

Ancho cusps to pupillary muscles

Aortic semilunar valve

Guard bases of large arteries

Pulmonary potentials

Initiate action potentials

Sinistral node

Generates impukses

Pacemaker

Regulates beats per minute

Sinus rhythm

Characteristic rhythm of heart rate

Atrioventricular node

Delays impulses

Atrioventricular bundle

Superior part of interveteicual spectrum

Purkije fibers

Long stranded barrel shaped fibers

Arrhythmia

Irregular heart rhythms

P wave

First wave of ECG

Electrocardiograph

Machine that records heart activity

QRS complex

Precedes ventricular contraction

T wave

Caused by ventricular contraction

Heart sounds

Lub dub

Systole

Contraction period

Diastole

Relaration period

Cardiac cycle

All events associated wig blood flow

Cardiac cycle

All events associated with blood flow

Cardiac output

Amount of blood pumped out

Stroke volume

Volume of blood pumped out with each beat

Contractity

Contractile strength achieved each muscle length

Elastic arteries

Thick walled arteries hear heart

Muscular arteries

Deliver blood to specific organs

Arterial oar

Smallest of arteries

Capillaries

Smallest blood vessels

Venues

Formed when capillaries untie

Venous valves

Folds of tunica intima

Ch.17-19 Vocab Flashcards

(93 cards)