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Flashcards in D-words Deck (14):
1

decremental transmission

electrical signal transmission when signals are conducted with exponentially decreasing amplitude in space

2

denaturation

usually irreversible change in the structure of a protein molecule

3

dendrite

branched projection of a neuron that receives the synaptic input from other neurons and sends it further to the soma

4

depolarization

the part of an action potential when the resting membrane's potential becomes less negative

5

depressor area (center)

collection of neurons located caudally and medially from the pressor area in the medulla decreasing blood pressure by the inhibition of the pressor area and by the excitation of the vagal efferents running to the heart

6

diaphragm

a thin sheet of muscle under the lungs

7

diastole

the part of the cardiac cycle when the heart relaxes and refills with blood

8

diffusion

movement of atoms or molecules along the concentration gradient

9

dipole

a molecule having separate regions of net negative and net positive charge

10

disaccharide

double sugar molecule formed by two single sugars

11

disulfide linkage

a link between two sulfide groups determining the structure of proteins

12

Donnan equilibrium

electrochemical equilibrium that develops when two solutions are separated by a membrane permeable to only some of the ions in the solution

13

dorsal root ganglion

is a cluster of nerve cell bodies in a posterior root of a spinal nerve

14

dyspnea

labored, difficult breathing