Final answer:
The follicular occlusion tetrad is a set of four severe dermatological conditions characterized by follicular occlusion, which includes hidradenitis suppurativa, acne conglobata, dissecting cellulitis of the scalp, and pilonidal cysts.
Step-by-step explanation:
The follicular occlusion tetrad refers to A) A set of four symptoms indicating follicular occlusion. These are not directly related to the follicular development stages in the ovaries, but rather, it is a term used in dermatology to describe a group of chronic and severe diseases characterized by follicular occlusion. The conditions that make up this tetrad include hidradenitis suppurativa, acne conglobata, dissecting cellulitis of the scalp, and pilonidal cysts. All these conditions involve the blockage of hair follicles which leads to inflammation and scarring.