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How should histology be studied?

Whether your investment in learning histology serves you well or poorly in the future may well depend not only on the effort you invest but also on the attitude you bring to your first encounters with this discipline.

Taken compulsorily in large doses [histology] is impossible to digest, but after repeated tastings in small draughts it becomes completely agreeable and even addictive. Whoever possesses a refined sensitivity for artistic manifestations will appreciate that, in the science of histology, there exists an inherent focus of aesthetic emotions.
P. del Rio-Hortega (1933)

Medical students often feel buffetted by the curriculum, pushed this way and that by many pressing demands on time and attention.  As a consequence, students commonly postpone their engagement with histology and then "cram" just before tests.  The predictable result of this strategy is a short-term acquisition of "factoids," handy for passing tests but quickly forgotten.  Needless to say, this approach is not recommended.  For histology to be more than a traditional rite-of-passage, the subject should be appreciated as a meaningful and unique perspective on the human body.

First of all, you should understand why you are expected to acquire a tissue-level perspective on the human body.  (See Why study histology?)  Then you should let your study be informed by this rationale.

If you desire some further advice, consider the following:

  1. How should one begin the study of histology?
  2. How is histology approached in a Problem-Based curriculum?
  3. How much information should be learned?  
  4. Are all those details really necessary?

How should one begin the study of histology?

First -- and most important -- histology should be studied within a larger context.  You should be studying the human body as a coherent, integrated whole.  Histology provides one perspective, but that perspective must be integrated with other perspectives (e.g., anatomy, physiology, biochemistry) to be meaningful.  (Don't be like the blind men and the elephant.)  Knowledge of histology should not be walled off, to be called upon only for passing histology tests.

Second, be aware that histological details are NOT disconnected factoids but are most readily organized (and condensed) by a conceptual framework that recognizes the universal similarity of all eukaryotic cells and the fundamental organization of animal cells into four basic tissue types

You might well begin here:  What are the core concepts of histology?

In the long run, it is time-efficient to begin with a overview of the concepts and appearances associated with cells and with each of the four basic tissues.  Any information acquired outside of this framework will cost you extra effort and will be more easily forgotten.  

Therefore, as soon as possible you should try to establish a solid foundation that includes the following.

Only with a solid appreciation of cells and basic tissues can you efficiently acquire and retain information about organ-specific details regarding differentiated cell types and differentiated tissue organization.


How is histology approached in a Problem-Based curriculum?

Our current curriculum is based on clinical Problem Cases, which are arranged by organ system into Units.  This curriculum does NOT include a formal "course" designed to provide an introductory foundation in histology or cell biology.  Instead, your engagement with particular cases will simply presume that you can acquire organ-specific details of histological information, as needed.  However, full appreciation of particular details often depends on extensive (and unfamiliar) background information that may not emerge as explicit "learning objectives" in any of the case-centered activities.  

NOTE:  Much of the clinical relevance for histology -- particularly topics of inflammation, tissue repair, and neoplasm -- may only become apparent during Pathology. 

Therefore, from the very beginning (especially at the beginning) you should extend your study beyond the specifics of each particular case and try to master the underlying patterns.  The sooner you acquire a broad sense of both cell biology and histological organization of the four basic tissues, and the sooner you acquire some facility for "reading" specimens and micrographs, the more efficient (and more rewarding) your further investment will be.

What about pathology?


How much information should be learned?  

Learn as much as you can, as soon as you can.  But also remember:  Sometimes less is more.

Sooner or later you will almost certainly wish you had learned more.  And you won't have any more time later (probably much less) than you have now.

But don't try to memorize information that you do not understand!  You should be studying to help future patients, not for regurgitation on tests.  

Rote memorization, without meaningful understanding, often represents a net loss of learning potential.  Information acquired by rote is famously forgotten all too soon.

Seek to appreciate tissue structure and function within the broader economy of the human body.  It is up to you integrate histology and biochemistry and anatomy and physiology and pathology into a single subject.  It is up to you to maintain a sense of context, so that specific details become meaningful information rather than rote factoids.

That said, only you (and your conscience) can choose the best balance for budgeting your study time among the many competing demands (and delights) of the medical curriculum.


Are all those details really necessary?

Histology is notorious for its "microscopic" detail.  As in all affairs, details do matter.  But, in the case of histology, it is not so much that each detail matters in-and-of-itself but that (as with most things) a deep and intuitive appreciation of the subject can be acquired only through repeated engagement with specific details.

Do pay attention to details.  But don't just memorize every factoid you encounter.  Try to see histological details as variations on underlying themes of cell biology and basic tissue organization.

An example:  The lung and the kidney both have the underlying tissue organization typical of glands.  One might memorize each organ in turn, as a separate and peculiar entity.  Or one can recognize functionally meaningful variations on the general theme of glandular organization.  An abstract appreciation for how epithelial tissue and connective tissue are organized into glands turns the acquisition (and recollection) of many organ-specific details of lung and kidney into a straightforward task.  But understanding such organization in the first place comes from noticing the less-than-obvious similarities among the diverse details of several different organs.

Also, keep in mind that particular details, even details which appear "trivial," may turn out to have unexpected significance -- conceivably by offering insight which benefits a patient, almost certainly by enriching your overall appreciation of the human body.

And details of histology are most likely to be remembered, in some time of future need, if they have become interwoven into a rich tapestry that includes related information from other disciplines -- biochemistry, anatomy, physiology, pathology.

If needed:  Why study histology?


Comments and questions: dgking@siu.edu

SIUC / School of Medicine / Anatomy / David King

https://histology.siu.edu/intro/howstudy.htm
Last updated:  17 June 2023 / dgk