CONTENTS
xvii
from dotted record—Significance of down and up movements—Systole and diastole—Table showing rates of movement of Desmodium leaflet at different phases |
290 |
EFFECT OF HYDROSTATIC PRESSURE, LOAD, AND LIGATURE ON THE PULSATION OF DESMODIUM
Effect of internal hydrostatic pressure on the pulsation of Desmodium—Expansive erection of leaflet under increased pressure; diminution of the extent of systolic contraction—Effect of load: diminution of period—Stannius' ligature on heart-beat—Parallel effect of ligature on pulsation of Desmodium—Arrest of pulsation by a cut and revival by electric shock |
300 |
EFFECT OF STIMULUS ON LEAFLET OF DESMODIUM AT STANDSTILL
Condition of standstill brought about by depletion of energy—Renewal of pulsation by the stimulus of light—Response to stimulus of induction-shock—Multiple response under tetanisation—Determination of the latent period and the apex time—Refractory period—Effect of stimulus on leaflets in sub-tonic condition—Effect of isolation on rhythmic activity—Gradual arrest of pulsation resulting from run-down of stored energy—Effect of fresh accession of energy |
306 |
EFFECT OF ELECTRIC STIMULATION ON THE PULSATION OF DESMODIUM GYRANS
Effect of electric shock on Desmodium leaflet—Incapability of
tetanus—Extra pulsation induced by electric shock—Relative effectiveness of electric stimulus at diastolic phase—Effect of transmitted excitation on normal pulsation of heart and on pulsation of Desmodium leaflet—Effects of acceleration and inhibition |
318 |