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Thalamus
Definition The thalamus is a paired, symmetrical structure that is found at the base of the cerebrum, just above the brain stem. It acts as a relay station in the brain, regulating the flow of...
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Cephalic Vein
Definition The cephalic vein is a superficial vein in the upper arm that is often visible through the skin. The name means head (likely coming from the Latin ‘cephalicus’ or the Greek ‘kephalikos’)....
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Y Chromosome
Definition The Y chromosome is one of the 46 (23 pairs) of chromosomes in humans, and also exists in many other mammals. The Y chromosome is one of the sex chromosomes, the other being the X...
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Subclavian Artery
Definition The subclavian arteries (the right subclavian artery and the left subclavian artery) are a pair of major arteries that supply blood to the head, neck, chest, shoulders, and upper...
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Goblet Cells
Definition Goblet cells are a specialized type of epithelial cell that secrete mucins, which are significant components of mucus. They are most often found in the respiratory and gastrointestinal...
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Glutamic Acid
Definition Glutamic acid (Glu or E) is an amino acid with the molecular formula C5H9NO4. It is a non-essential amino acid, meaning it can be synthesized by the body. Under physiological conditions, the...
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Explicit Memory
Definition Explicit memory, also known as declarative memory, is one of the major subsets of long-term memory in humans. The other type of long-term memory is called implicit or non-declarative memory....
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Implicit and Explicit Memory
Long-term memory can be classified into two fundamental types: implicit and explicit memory. These two systems reflect different states of awareness and involve distinct neural processes. Despite their...
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Sensory Neuron
Definition A sensory neuron (sometimes referred to as an afferent neuron) is a nerve cell that detects and responds to external signals. Sensory neurons receive information via their receptors, which...
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Pectoralis Major
Definition The pectoralis major is a large, fan-shaped muscle that forms the structure of either side of the surface of the chest wall. Together, these muscles are commonly known as the “pecs.” The two...
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