Histamine Is an Example of A(n)

question 38

Multiple Choice

Histamine is an example of a(n)

• A)paracrine.
• B)neurotransmitter.
• C)autocrine.
• D)hormone.
• E)glial cell.

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Definitions:

Embryonic Opening

The embryonic opening refers to the blastopore, an early stage in the development of an embryo that can develop into the mouth or anus in different animal groups.

Chelicerates

A subgroup of arthropods that includes spiders, scorpions, ticks, and mites, characterized by the presence of chelicerae, which are claw-like mouthparts.

Crustaceans

Mostly marine arthropods with a calcium-hardened cuticle and two pairs of antennae; for example, lobsters, crabs, krill, and barnacles.

Antennae

Antennae are sensory appendages found on the heads of insects and some other arthropods, used for sensing the environment.