Produced by neurons; secreted into a synaptic cleft by presynaptic nerve terminals; travels short distances; influences postsynaptic cells.
A. Autocrine
B. Paracrine
C. Neurotransmitter
D. Endocrine
Select your answer:
Topics:
Cells & Body Systems DNA Replication The Circulatory System Respiration, Immune System, Blood Cells Polio Vitamins Human Genetics Fungi/Bacteria/Biotechnology Homeostasis, Nutrition, Digestion & Absorption Hearing Impairment Humanistic and Biological Psychology Deficiency Disease Tongue and Skin Hospital Unit Skeletal PathologyOther quiz:
The Cell Cycle › ViewWhich of the following shows the correct sequence of the cell cycle?
A. Mitosis-> G1->S->G2->cytokinesis
B. S->G1-> G2-> mitosis-> cytokinesis
C. cytokinesis->mitosis->G1->S->G2
D. G1->S->G2->mitosis->cytokinesis
Joints & Movement › View
What is the function of the synovial membrane in synovial joints?
A. Acts as a lubricant that reduces friction in the joint; allows for smoother movement and reduces wear and tear.
B. Surrounds and protects the joint, holding the bones together.
C. Strong, elastic fibres that hold bones together and keeps them in place
D. Strong but flexible material found at the end of the bones that acts as a cushion and reduces friction
E. Produces synovial fluid which lubricates the joint