Suboccipital nerve (C1 n.)
Vertebral artery passes through transverse formamina of C1-C6!
Sinus cavity
The cervical vertebrae (C1-C7) are part of the spinal column and the spinal cord passes through them.
A bolus (of food, for instance) passes through the esophagus.
The trachea is the airway that passes through the mediastinum anterior to the esophagus. It is a tube-like structure that carries air to and from the lungs, and is situated in front of the esophagus in the chest cavity.
A median of a triangle is a line or segment that passes through a vertex and bisects the side of the triangle opposite the vertex.
and is perpendicular to the opposite side.
circumcircle of a triangle is the circle that passes through all 3 vertices. this circle is said to be circumscribe the triangle
median
The circumscribing circle.
A median of a triangle is a line or segment that passes through a vertex and the midpoint of the side opposite that vertex. The median only bisects the vertex angle from which it is drawn when it is an isosceles triangle.
perpendicular
side
a line that intersects an edge of a triangle that is perpendicular to it and passes through the midpoint
Altitude.
yes
There is femoral triangle, through which femoral vein, femoral artery and femoral nerve passes down to thigh. Femoral hernia passes through the femoral triangle. It passes through complicated path and is almost always very difficult to reduce. It is common in females and usually demands surgical interferences.