After BIOL 3020
Gateway: BIOL 3020
Building the department map…
Department paths
Courses with no prerequisites inside the department that unlock the most downstream work.
The shortest canonical route from each entry point to a gateway course.
Each of these unlocks the largest share of downstream work on this map. Courses from other departments can appear here when they genuinely gate BLS coursework.
Generated from Saint Louis University’s catalog, prerequisite, and concentration data. Spotted an error? Departments can adjust labels, ordering, and notes without a code change, so contact us.
Intro tiers at the top, advanced work below; arrows point from a prerequisite to the course it unlocks. Courses from other departments appear where they gate BLS work. Click any course to see what it requires and unlocks without leaving this page; hovering lights up its neighbors. The lists on this page carry the same courses in text form.
Showing the 25 BLS and feeder courses that have prerequisite links. 3 more BLS courses have no recorded prerequisites. They are listed under Tracks below, not drawn as loose dots here.
The concentrations and majors that build on BLS, and how their requirements are structured. Expand a program to see which courses satisfy each group, then plan it in the Planner.
Major Requirements15 required · verify with the official sheet
Foundation; Biomedical Laboratory Science; Medical Laboratory Science
Upper-level clusters, grouped by the gateway that opens them.
The deepest prerequisite chains in BLS. These are the routes that take the most semesters to climb.
5 courses deep, ending at BLS 4800
4 courses deep, ending at BLS 4310
4 courses deep, ending at BLS 4850
3 courses deep, ending at BLS 1000
All BLS courses in the SLU catalog
Grade medians are for verified students. Sign in with your school email to see them.
Use your school emailNo section schedule with instructor names for BLS yet.
No clubs or organizations on record under BLS yet.
This shows once five students share their club memberships.
BLS does not run a page here yet. When it does, its events show up here and on the SLU campus feed.