May 6, 2019
Host Kevin Patton examines variations in human anatomy,
including the fabella bone, situs inversus, and more.
00:40 | Preview Episodes
04:15 | Sponsored by HAPS
05:48 | Fabella Bone
15:51 | Sponsored by AAA
16:11 | Situs Inversus
32:18 | Sponsored by HAPI Online
32:57 | Variety of Anatomic Variations
42:43 | Nuzzel Newsletter
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The essence of the beautiful
is unity in variety. (Moses
1 | Preview Episodes
If you are skipping over the Preview Episodes, which are each
released a few days before a full episode, contain a lot of helpful
content that you don't want to miss!
- Upcoming topics
- Word Dissections
- Book Club selections
- Bergman's Comprehensive Encyclopedia of Human Anatomic
- by R. Shane Tubbs, Mohammadali M. Shoja, Marios Loukas
- originally created by Ronald Bergman
- Sometimes, feedback and other interesting stuff!
- Preview for this episode: Episode 43 Intro | TAPP Radio
2 | Sponsored by HAPS
The Human Anatomy & Physiology Society
(HAPS) is a sponsor of this podcast. You can help
appreciate their support by clicking the link below and checking
out the many resources and benefits found there. AND mention your
appreciation to the HAPS leadership while you are at the
conference—or anytime that you communicate with them.
Anatomy & Physiology
Kevin’s Unofficial Guide to the
HAPS Annual Conference | 2019 Edition | Episode 42
3 | Fabella Bone
The fabella is a small, beanlike bone that may (or not) occur
behind the knee joint. Recent evidence shows that it's showing
up more frequently in the population. Why?
- Fabella prevalence rate increases over 150 years, and rates of
other sesamoid bones remain constant: a systematic review (recent
research article) my-ap.us/2WkRSMs
- Sore knee? Maybe you have a fabella (plain English report from
the BBC) my-ap.us/2Wmd6cN
- Fabella x-radiograph (to use in your course) my-ap.us/2Wm6Di3
- Improbable Destinies: Fate, Chance, and the Future of
Evolution by Jonathan B. Losos (book on
updated ideas of evolution)
Fabella image: Jmarchn (my-ap.us/2Wm6Di3)
4 | Sponsored by AAA
The searchable transcript for this episode, as well as the
captioned audiogram of this episode, are sponsored by The
American Association of Anatomists (AAA) at anatomy.org. Their big meeting is in
April at the Experimental Biology (EB) meeting in Orlando FL. Check
5 | Situs Inversus
Situs inversus is a mirrorlike flipping of visceral
organs that occurs in embryonic development. Also called situs
transversus or situs oppositus. Normal siting of
organs is called situs solitus.
- Situs inversus and my 'through the looking glass' body (recent
article by someone living with situs inversus) my-ap.us/2WatPzP
- Body donor's rare anatomy offers valuable lessons (press
release on recent 99-year old donor with situs inversus with
- Heart Transplantation in Situs Inversus Maintaining
Dextrocardia (interesting study of transplanting 'normal' hearts
into patients with dextrocardia) my-ap.us/2WmbTlL
ERROR: In my discussion of the cast of situs
inversus in the young man from the 1800s, I mixed up my left and
right. Yikes. The appendix is on the right in situs solitus, but on
the left in situs inversus. This was corrected in the audio file on
10 May 2019, but the correction may not be heard in all available
6| Sponsored by HAPI Online Graduate Program
The Master of Science in Human Anatomy & Physiology
Instruction—the MS-HAPI—is graduate program for A&P teachers. A
combination of science courses (enough to qualify you to teach at
the college level) and courses in instructional practice, this
program helps you power up your teaching. Kevin Patton is a
faculty member in this program. Check it out!
There will be a HAPI table in the Exhibit Hall at the 2019 HAPS
Annual Conference. Stop by and say hi!
7 | Variety of Anatomic Variations
Perhaps variation is normal. And maybe "normal" is a mythical,
but useful, construct we use in understanding human anatomy.
- Brief list of some human anatomical variations my-ap.us/2WrAC8q
- How do we handle anatomic variations (vs. "normal") in our
- I'm thinking there isn't a best way. I'm thinking it's largely
up to us as artists to decide what works best.
- Remember, in my world, teaching is both and art and a science.
We are, among other things, artist of telling stories. Stories
about the human body.
- So I think we need to really think about, play with, experiment
with, different ways of telling our story of human anatomy so that
at some point it's clear that we don't all look like the idealized
sketches in our books and models on the lab bench. Or even all the
elderly cadavers in our dissection lab.
- Perhaps we can begin by being clear and intentional about
pointing out differences arising from development and aging, from
the effects of sex hormones, from environmental influences, from
the range of possible human activities (or lack of activity), then
bring in all those variations in genetic code and variations in how
embryological events unfold, or maybe I should say fold.
- I think in the end, the best story of human anatomy is a
story of the awesome and beautiful balance of both unity and
variety in the human form.
8 | Nuzzel
A daily collection of headlines of interest to A&P
professors, curated by Kevin Patton
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