Circulatory System Vocabulary

Front 1

contract, but usually lack cardiac muscl

Back 1

Accessory hearts

Front 2

conducting or conducted inwards or towards organs

Back 2

afferent artery

Front 3

a surgical communication made between blood vessels

Back 3

anastomosis

Front 4

the formation of new blood vessels, especially to cancerous tissue

Back 4

angiogenesis

Front 5

any of the major drainage channels from the cephalic region of most vertebrate embryos

Back 5

anterior cardinal vein

Front 6

paired vessels arching from the ventral to the dorsal aorta through the branchial arches of fishes and the pharyngeal arches of amniote embryos

Back 6

aortic arches

Front 7

blood vessesl that carry oxygenated blood away from the heart

Back 7

arteries

Front 8

small blood vessels that branch from the arteries and transport blood from the heart to the body tissues

Back 8

arterioles

Front 9

highly specialized area of the heart muscle which transmis electrical impulses

Back 9

atrioventricular nodes

Front 10

a chamber of affording entrance. especially the chamber on either side of the heart transmitting of the same side of blood received fromt he pulmonary veins and from the venae cavae

Back 10

atrium

Front 11

valves between the right atrium/ventricle and left atrium/ventricle

Back 11

atrioventricular valves

Front 12

slowness of the heartbeat, usually <60 bpm in adults

Back 12

bradycardia

Front 13

acts as an elastic reservoir in teleost fishes that dialtes during vetricular systole to store a large part of the cardiac stroke volume

Back 13

bulbus arteriosus

Front 14

small, thin membraned, permable blood vessesl that link arterioles and venules, feeding/removing wastes front he tissures through which they pass

Back 14

capillaries

Front 15

the heart and blood vessels, by which blood si pumped and circulated through the body

Back 15

cardiovascular system

Front 16

neurovascular structure lying in the bifurcation of the right/left carotid arteries, containing chemoreceptors that monitor oxygen content in blood and help to regulate respiration

Back 16

carotid body

Front 17

major drainage channels formed by anastomosis of anterior/posterior cardinal veins. main systemic return to channels to the heart in embryos of humans/other verts

Back 17

common cardinal vein

Front 18

infundibulum; anterosuperior portion of the right ventricle of the heart, at the entrance of the pulmonary trunk

Back 18

conus arteriosus

Front 19

veins and arteries of the heart

Back 19

coronary vessels

Front 20

lowest arterial blood pressure during the cardiac cycle. relaxation and dilation of heart chamber

Back 20

diastolic pressure

Front 21

circulatory system in which blodo flows through 2 separate circuits, pulmonary and systemic

Back 21

double circulation

Front 22

fetal blood vessel that joins the descending aorta and elft pulmonary artery

Back 22

ductus arteriosus

Front 23

blood channel that devs through the embryonic liver from th eleft umbilical vein to the inferior vena cava

Back 23

ductus venosus

Front 24

away from a central organ or section

Back 24

efferent artery

Front 25

lining of the heart chambers, containing small blood vessels and few smooth muscles.

Back 25

endocardium

Front 26

red blood cells that circulate oxygen through the body and remove carbon dioxide

Back 26

erythrocytes

Front 27

artery which orginates at the common carotid and gives blood to neck face scalp side of head ear and dura mater

Back 27

external carotid

Front 28

opening in sphenoid for passage of nerves/blood vessels. opening in the fetal heart partition between 2 atria

Back 28

foramen ovale

Front 29

hole with a valve that connects left and right aorta in crocodiles

Back 29

foramen of panizza

Front 30

erythrocytes, leukocytes, and platlets

Back 30

formed elements

Front 31

formation of blood cells in living body (frequents in bone marrow)

Back 31

hemopoiesis

Front 32

receive blood from central veins of liver. ultimately open into inferior vena cava on liver

Back 32

hepatic portal vein

Front 33

division of carotid artery, distributes to eye, hose, internal ear

Back 33

internal carotids

Front 34

white blood cell. protects body

Back 34

leucocytes

Front 35

transparent fluid found in lymphatic vessels collected from all over body and back into blood

Back 35

lymph

Front 36

organs in lungfishes, amphibians etc. pump lymph that leaked out of circulatory back into it

Back 36

lymph hearts

Front 37

carry lymph throughout body

Back 37

lymphatic system

Front 38

middle/thickest layer of heart wall made of muscle

Back 38

myocardium

Front 39

liquid part of blood. maintains acid-base balance, transports nutrients

Back 39

plasma

Front 40

smallest cells in blood. in red bone marrow. no hemoglobin, required for coagulation/homeostasis

Back 40

platelets

Front 41

arrangement by which blood collects from one set of capillaries and passes through to another set of capillaries before returning to systemic circulation. ie pituitary gland and liver.

Back 41

portal system

Front 42

caudal vena cava

Back 42

post cava

Front 43

major drainage channel from caudal part of body

Back 43

posterior cardinal vein

Front 44

smooth muscle that adjusts blood flow into capillaries

Back 44

precapillary sphincter

Front 45

returns deoxygenated blood to right atrium.

Back 45

precava (superior vena cava)

Front 46

provides low oxygenated blood to lungs/skin

Back 46

pulmonary artery

Front 47

conduct electrical impulses that enalbes to contract in coordinated fashion

Back 47

purkinje fibers

Front 48

anatomical mesh, network, of veins arteries or nerves

Back 48

rete

Front 49

valve guarding entrances into aorta and pulmonary trunk from cardiac ventricles

Back 49

semilunar valve

Front 50

system has one circuit, blood pumped to cappilaries to gills to capillaries of body tissues

Back 50

single circulation

Front 51

pacemaker of cardiac conduction by generating at regular intervals

Back 51

sinoatrial node

Front 52

blood pressure during ventricular systole.

Back 52

systolic pressure

Front 53

heart contracts more than normal. response to fever, exercise, or nervous excitement

Back 53

tachycardia

Front 54

aggregation of blood factors, platelets and fibrin

Back 54

thrombus

Front 55

intersitital fluid

Back 55

tissue fluid

Front 56

band of fibrous/muscle tissue from capsule or wall into interior of organ

Back 56

trabeculae

Front 57

outer coat of various organs, vessels. made of connective tissue

Back 57

tunica adventitia

Front 58

innermost coat of blood vessels, bichats tunic

Back 58

tunica intima

Front 59

muscular middle layer of an artery

Back 59

tunica media

Front 60

constriction of blood vessels

Back 60

vasoconstriction

Front 61

dialation of blood vessels

Back 61

vasodilation

Front 62

vessel that carries blood to heart, except pulmonary veins

Back 62

veins

Front 63

arterial trunk(s) between heart and first aortic arch

Back 63

ventral aorta

Front 64

hollow part or cavity in an organ

Back 64

ventricle

Front 65

venules

Back 65

very small vein