Talking to his professor in her office, jeremy sits across the desk from her, about 5 feet away. jeremy and his professor are interacting in the of interpersonal distance.

Jeremy and his professor are interacting in the SOCIAL DISTANCE of interpersonal distance/space. 

Personal space refers to a "bubble" of space that surrounds a person when he/she is interacting within her environment. Being in a social distance means that the conversation between people is happening from approximately 4-12 feet of distance. This kind of distance is often associated with more formal set-ups like negotiation in business, or interviewing applicants for a particular job. 

The adams apple, or laryngeal prominence. is a feature of the human neck, and is the lump or protrusion that is formed by the angle of the thyroid cartilage surrounding the larynx seen especially in males.