What would she, for instance, have made of Alister's challenge to his brother to explain the metaphysical necessity for the sine, tangent, and secant of an angle belonging to its supplement as well?
"What's Mine's Mine V1"
George MacDonald
In the posterior triangle, 9, 8, 6, Plate 4, is placed the superficial subclavian artery, A, its branches, L M, and the brachial plexus of nerves, I. Both these triangles and their contents are completely sheathed by that thin scarf-like muscle, named platysma myoides, A A, Plate 3, the fibres of which traverse the neck slantingly in a line, O A, of diagonal direction opposite to and secant of that of the sterno-mastoid muscle.
"Surgical Anatomy"
Joseph Maclise