Examlex
Hematochezia means the passage of a dark and tarry stool.
Neurotransmitters
Chemicals in the brain that act as messengers, transmitting signals from one neuron to another across synapses.
Structural Proteins
Proteins that play a role in building and maintaining the three-dimensional structures of cells, tissues, and organs, contributing to their shape and structural integrity.
Hormones
Chemical messengers produced by endocrine glands that travel through the bloodstream to target organs, regulating various bodily functions and processes.
Neurotransmitters
Chemicals that transmit signals across a synapse from one neuron to another neuron or to a target cell in a muscle or gland.
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