'chest wall' lacks relationships to parts

[allenbaron]

Uberon term chest wall (UBERON:0016435)

Suggested revision and reasons 'chest wall' is defined as 'Subdivision of thorax which includes all structures from the skin to the costal pleura.' But it doesn't appear that any of the anatomical parts that make up the chest wall (ribs, skin, etc.) have a relationship to 'chest wall'.

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[dosumis]

@dragon-ai-agent please make a reasonable proposal with a set of terms to add as parts of chest wall. Use general latent knowledge as well as suggestions in the ticket. See also https://en.wikipedia.org/wiki/Thoracic_wall

[dragon-ai-agent]

Proposal for Chest Wall Part Relationships

Based on the issue description, Wikipedia reference, and anatomical knowledge, I propose adding the following relationships to chest wall (UBERON:0016435):

Core Skeletal Components

1. rib (UBERON:0002228) - part_of chest wall

   • The ribs form the primary structural framework of the chest wall

2. sternum (UBERON:0000916) - part_of chest wall

   • The breastbone is a central component of the anterior chest wall

3. costal cartilage (UBERON:0002236) - part_of chest wall

   • Connects the ribs to the sternum, integral to the chest wall structure

4. thoracic vertebra (UBERON:0002347) - part_of chest wall

   • Forms the posterior aspect of the chest wall

Muscular Components

5. intercostal muscle (UBERON:0001111) - part_of chest wall

   • The three layers of intercostal muscles are intrinsic to the chest wall structure
   • Currently has part_of relationship to 'chest' (UBERON:0001443)

6. pectoralis major (UBERON:0002381) - part_of chest wall

   • Major extrinsic muscle of the anterior chest wall
   • Currently has no part_of relationships

Integumentary Component

7. skin of chest (UBERON:0001868) - part_of chest wall
   • The definition states the chest wall "includes all structures from the skin to the costal pleura"
   • Currently has part_of relationship to 'chest' (UBERON:0001443)

Additional Considerations

Other muscles that could be considered:

• pectoralis minor (UBERON:0001103)
• serratus anterior (if term exists)
• latissimus dorsi (for lateral/posterior aspect)
• The various specific intercostal muscle subdivisions (external, internal, innermost)

Fascial layers:

• The Wikipedia article mentions endothoracic fascia and various other fascial layers, but I could not find an endothoracic fascia term in UBERON. This might need to be added as a new term if important.
• superficial fascia and deep fascia terms may exist but would need verification

Pleura:

• costal pleura/parietal pleura - The definition mentions "to the costal pleura" as the inner boundary. Should parietal pleura be considered part of the chest wall? This is anatomically debatable.

Questions for Curators

1. Should we add relationships for ALL the extrinsic muscles (pectoralis major, pectoralis minor, serratus anterior, latissimus dorsi, etc.) or only the intrinsic intercostal muscles?

2. Should the parietal pleura (costal part) be included as part of the chest wall given the definition?

3. Are there fascial layer terms that should be included?

4. Should individual rib elements (e.g., first rib, second rib, etc.) also get part_of relationships to chest wall, or is the generic 'rib' term sufficient?

@dosumis Please let me know if you'd like me to proceed with implementing these relationships, and whether you'd like all or a subset of the proposed terms.

---

@dragon-ai-agent

[dragon-ai-agent]

Proposal for Chest Wall Part Relationships

Based on the issue description, Wikipedia reference, and anatomical knowledge, I propose adding the following part_of relationships to chest wall (UBERON:0016435):

Core Skeletal Components

1. rib (UBERON:0002228) - part_of chest wall

   • The ribs form the primary structural framework of the chest wall

2. sternum (UBERON:0000916) - part_of chest wall

   • The breastbone is a central component of the anterior chest wall

3. costal cartilage (UBERON:0002236) - part_of chest wall

   • Connects the ribs to the sternum, integral to the chest wall structure

4. thoracic vertebra (UBERON:0002347) - part_of chest wall

   • Forms the posterior aspect of the chest wall

Muscular Components

5. intercostal muscle (UBERON:0001111) - part_of chest wall

   • The three layers of intercostal muscles are intrinsic to the chest wall structure
   • Currently has part_of relationship to chest (UBERON:0001443)

6. pectoralis major (UBERON:0002381) - part_of chest wall

   • Major extrinsic muscle of the anterior chest wall
   • Currently has no part_of relationships

Integumentary Component

7. skin of chest (UBERON:0001868) - part_of chest wall
   • The definition states the chest wall "includes all structures from the skin to the costal pleura"
   • Currently has part_of relationship to chest (UBERON:0001443)

Additional Considerations

Other muscles that could be considered:

• pectoralis minor (UBERON:0001103)
• serratus anterior (if term exists)
• latissimus dorsi (for lateral/posterior aspect)
• The various specific intercostal muscle subdivisions (external, internal, innermost)

Fascial layers:

• The Wikipedia article mentions endothoracic fascia and various other fascial layers, but I could not find an endothoracic fascia term in UBERON. This might need to be added as a new term if important.
• superficial fascia and deep fascia terms may exist but would need verification

Pleura:

• costal pleura/parietal pleura - The definition mentions "to the costal pleura" as the inner boundary. Should parietal pleura be considered part of the chest wall? This is anatomically debatable.

Questions for Curators

1. Should we add relationships for ALL the extrinsic muscles (pectoralis major, pectoralis minor, serratus anterior, latissimus dorsi, etc.) or only the intrinsic intercostal muscles?

2. Should the parietal pleura (costal part) be included as part of the chest wall given the definition?

3. Are there fascial layer terms that should be included?

4. Should individual rib elements (e.g., first rib, second rib, etc.) also get part_of relationships to chest wall, or is the generic rib term sufficient?

@dosumis Please let me know if you would like me to proceed with implementing these relationships, and whether you would like all or a subset of the proposed terms.

---

@dragon-ai-agent

[dosumis]

@allenbaron Apologies for the delay in getting to this. Would you be able to review/comment on the above suggestions?

[dosumis]

@copilot can you use the ols4 MCP to find all parts of the chest? I think the partonomy will need to be rearranged to fix this. Adding a screenshot.

[allenbaron]

Sorry @dosumis. I only noticed these relationships are missing. I'm no expert in anatomy, especially beyond humans.