Examlex
For the initial days following ovulation in a nonpregnant menstrual cycle, the main source of progesterone is the ________.
Fusiform
A descriptive term for a spindle-shaped structure, often used in reference to certain muscle and bacteria shapes.
Multipennate
A muscle architecture where the fibers are arranged in multiple rows, with each row forming a different angle with the tendon, increasing the muscle's strength.
Circular
Having the shape of a circle; round.
Pennate
Refers to a type of muscle fiber arrangement where fibers are attached obliquely to a central tendon, resembling a feather structure.
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