The basic topics you would want to learn are: 1  definition of categories, and some examples of categories. 2  functors, and examples of them. 3  natural transformations, and examples of them. 4  definitions of products, coproducts and exponents (function spaces), initial and terminal objects.
Sternocleidomastoid muscle. In human anatomy, the sternocleidomastoid muscle (/ËstÉËrnoÊËklaÉªdÉËmÃ¦sËtÉÉªd, -nÉ-, -doÊ-/[1][2]), also known as sternomastoid and commonly abbreviated as SCM, is a paired muscle in the superficial layers of the side of the neck. It is one of the largest and most superficial cervical muscles.
A frequent finding in pediatrics is a row of small, firm, slightly enlarged lymph nodes along the front edge of the sternocleidomastoid muscle in the neck -- the anterior chain. Archive 2007-01-01 Puncture the head of the triangle formed by the two heads of the sternocleidomastoid and the clavicle.