Clue 1: Orient yourself
Which hidden moving part must reconnect?
Use the labels and the picture's left-to-right, near-to-far, or before-and-after order. Name only what you can point to.
The question
Which hidden moving part must reconnect?
Why it matters: Structure affects feeding, breathing, hearing, speech, teeth, and surgical planning. Care teams need to connect the exact structure to the function a child is using every day. Today you practice the professional reasoning behind that work: Lip repair restores a continuous orbicularis ring and aligned lip landmarks, not merely a closed skin line.
On your WebXam
Recognizing that lip repair reconstructs muscle, and that several techniques share one goal
For life
Having a gene is not the same as using it.
Principle: Having it is not using it
Five principles we return to
Having it is not using it
Same instructions, different switches
Same look, different cause
Change one thing and watch
Boss or doorman?
Decides the result or only allows it
Held down, not gone
Remove the brake and it returns
Many roads, one ending
One result can begin many ways
Try the everyday version first
Repair a circular conveyor belt and its outer cover together
A conveyor belt needs an unbroken moving loop and a cover that protects the path. Repairing only one layer may leave the whole system unable to work safely.
Do not jump to the biology yet. Treat the picture as a small system. Track its parts, follow one change at a time, and keep more than one explanation open until the picture supplies a way to separate them.
Clue 2: Trace one change
Which surface landmarks must meet?
Follow one object, stage, or path. Point to the first place where the situation changes instead of jumping to the ending.
Clue 3: Keep the cause open
Why could the cover look closed while the machine still pulls unevenly?
List more than one explanation that still fits. Name the extra observation that would help you separate those possibilities.
Now inspect the illustration
Work from the visible evidence. A useful answer names the part of the picture that supports it and leaves unknown causes open.
- 1Which hidden moving part must reconnect?
- 2Which surface landmarks must meet?
- 3Why could the cover look closed while the machine still pulls unevenly?
Tier 1 check
Finish with the everyday model
Use the everyday picture to answer today's question in plain words: Which hidden moving part must reconnect?
You can complete today's required check without opening the technical details below.
Ready for the real names? Optional tier 2
Technical rules and limits
Rule 1: Find and release displaced muscle.
Rule 2: Rebuild a continuous functional ring.
Rule 3: Align skin, vermilion, mucosa, and nasal base without assuming one universal cut pattern.
Where the analogy stops: Surgery involves living tissue, blood supply, healing, and individualized technique, not mechanical replacement parts.
Carry the previous idea forward
Presurgical molding changes the starting geometry before repair; it does not fuse tissue, and long-term benefits remain uncertain.
Today's technical takeaway
Lip repair restores a continuous orbicularis ring and aligned lip landmarks, not merely a closed skin line.
Now map the same rules onto biology
Plan the layers of primary cleft lip repair
Conveyor belt
Orbicularis oris ring
Outer cover
Skin, vermilion, and mucosa
Alignment marks
Philtral and nasal landmarks
Educational illustration, not a clinical photograph, scan, or surgical plan. Use the labeled evidence cards and claim ceiling.
Mateo's case file: evidence supplied in this lesson
ANA08-E1
Mateo's orbicularis fibers insert along the cleft margins.
Why it matters: The muscle must be identified and redirected across the gap.
ANA08-E2
The philtral column, cutaneous roll, vermilion, and mucosa are misaligned.
Why it matters: Visible subunits require precise matching.
ANA08-E3
ACPA lists orbicularis reconstruction and balanced nasolabial form as primary principles while recognizing multiple protocols.
Why it matters: The goals are shared even when incision geometry differs.
Make the clinical decision
You are reviewing the primary lip repair plan.
Plan A closes skin only. Plan B identifies muscle, reconnects the ring, and aligns each lip layer and nasal base.
AChoose Plan B and explain the functional layer.
BChoose Plan A because a closed skin line proves muscle repair.
CPick a named technique without checking anatomy.
Choose the plan and cite muscle plus landmark evidence.
Evidence required
ANA08-E1 + ANA08-E2 Claim ceiling
You may identify reconstruction goals. You may not prescribe one technique as universally best.Go deeper Optional tier 3
Everything required for today is above. Open these only if you want the explainer, source trail, or download files.
The everyday model and Tier 1 check are the complete required path for this lesson.
Use these checks to keep your place. They are not turned in through the portal.
Check off as you finish
- Worked through the everyday picture and answered its three questions.
- Completed the Tier 1 check in plain words.
Turn in: Anatomical lesson 8: Rebuilding the Lip
Go to Schoology to turn this in.
Submit one PDF. Put your first and last name in the document header. Name the file: FirstName LastName - Assignment Title - YYYY-MM-DD.pdf.
Open Schoology PDF upload helpIf you cannot get in, see Mr. Mendoza. Do not skip the work.
Optional legacy technical materials Open only if you want the original notes, vocabulary, artifact, and CER work
Before this page, you should know
- uses a custom plus a in the first weeks of life to narrow the alveolar gap, realign the gum segments, lengthen the , and improve nasal symmetry.
- NAM does not close the ; it shapes soft, movable newborn so the surgeon's repair begins from a better position.
If not, review
Today's new idea is only
lip repair is reconstruction of the interrupted ring, not skin closure; several techniques solve the same muscle problem with different geometry.
Goal: Explain that lip repair reconstructs the interrupted ring, and compare how three named techniques solve that same problem.
Know by the end
- The defining lesion of a lip is the interrupted ring, whose fibers insert abnormally on the cleft margins instead of crossing the .
- Every technique shares the same goals: release the misdirected muscle, rebuild a continuous ring, level the Cupid's bow, and restore and nasal symmetry.
- Millard , Tennison-Randall triangular flap, and Fisher differ in the geometry of the cuts, not in the goal.
- Lip repair is usually done at about 3 to 6 months; in some settings minority and non-English-speaking children reach surgery measurably later, a non-anatomical cause of delay.
1
The true target
Model start: is not skin closure; the defining lesion is the interrupted ring, whose fibers insert on the margins instead of crossing the .
- The interrupted muscle in a lip is the ____ ____ (the lip's ring/).
- The shared goal is to release the misdirected muscle, rebuild a continuous ____, level the Cupid's bow, and restore and nasal symmetry.
2
Three geometries, one goal
- Millard is flexible but ____ dependent.
- Tennison-Randall uses a triangular flap to regain ____, but its scar crosses the philtral column.
- Fisher places incisions along the lip's natural ____ borders to hide the scar.
3
Timing and equity
- Lip repair is usually done at about ____ to 6 months; in some settings minority and non-English-speaking children reach surgery measurably ____.
Everything you need for today is on this page. These links are optional.
What to read
Read the short plain-language explanation written for this lesson. Plain-language explainer for this lesson
Why this source matters
This explanation gives you the background for today's idea without making you decode a research paper: lip repair is reconstruction of the interrupted ring, not skin closure; several techniques solve the same muscle problem with different geometry.
Words to unlock first
cheiloplastyorbicularis orisrotation-advancementanatomical subunitlip height
Reading moves
- Skim the title and abstract first to get the gist.
- Circle the one sentence that states the main claim.
- Box the evidence the authors give for that claim.
- Mark one sentence that confuses you, and move on.
Stop point
Stop after the final 'Use it now' section. The research citations are available separately for advanced readers.
Your output
Write one claim-evidence sentence: state the main idea, then name the example or evidence that supports it.
Where this fits
Tested on (Ohio WebXam)
Genetics of Disease · 072130
PLTW lesson
MI · Anatomical domain · Structure and function; muscle anatomy and reconstruction
WebXam domain
Molecular and Genetic Technology
Evidence to produce
Present your operative plan for Mateo's complete unilateral left cleft lip in four sentences: (1) state what structure you are actually rebuilding and why skin closure alone is not enough, citing a source, (2) name one technique you will use and one concrete reason, (3) name one trade-off you accept, and (4) end with a clear plan. Defend the logic, not the operative steps.
Lab / skill
Human Body Systems (HBS) · Biomedical Innovations (BI)
Everything required for today's decision is already in the case file and plain-language explainer. The links below are original papers and database records for teachers and advanced readers, not assigned student reading.
How this is graded (rubric)
For: Present your operative plan for Mateo's complete unilateral left cleft lip in four sentences: (1) state what structure you are actually rebuilding and why skin closure alone is not enough, citing a source, (2) name one technique you will use and one concrete reason, (3) name one trade-off you accept, and (4) end with a clear plan. Defend the logic, not the operative steps.
| Criterion | Proficient | Developing | Beginning |
|---|---|---|---|
| Complete | Every required part of the artifact is present and filled in. | Most parts are present, but one is missing or left blank. | Several parts are missing. |
| Accurate | The science and data are correct and match the evidence. | Mostly correct, with a small factual slip. | Key science or data is wrong. |
| Scientific reasoning (CER) | States a claim, backs it with specific evidence, and explains the reasoning. | Has a claim and evidence, but the reasoning is thin or missing. | Gives an answer with no evidence or reasoning. |
| Professional communication | Clear, organized, and labeled the way a clinician or scientist would write it. | Readable but disorganized or missing labels. | Hard to follow. |
| Submitted | Turned in through the route named under Submit here and confirmed. | Turned in, but in the wrong place or unconfirmed. | Not turned in. |
How the model answer scores against this rubric
- CompleteProficient: Nothing is left blank: the model fills every part of "Present your operative plan for Mateo's complete unilateral left cleft lip in four sentences: (1) state what structure you are actually rebuilding and why skin closure alone is not enough, citing a source, (2) name one technique you will use and one concrete reason, (3) name one trade-off you accept, and (4) end with a clear plan. Defend the logic, not the operative steps.".
- AccurateProficient: Every number and claim matches the case evidence.
- Scientific reasoning (CER)Proficient: It names a claim, cites the specific evidence, and explains the reasoning, not just the answer.
- Professional communicationProficient: It is organized and labeled like a real chart note.
- SubmittedProficient: It would be attached to your class form or handed in, and confirmed.
What's next: We rebuilt the lip and its muscle ring, but the lip was the easier door to close. The roof of the mouth is deeper and hides a different muscle that must be rebuilt into a working sling. How does the surgeon rebuild the , where the repair happens in the dark and the muscle must be remade across the ? We chase that next time.