Triangular space: Difference between revisions

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{{Use American English|date = January 2019}}

{{Short description|Anatomic space of the upper body}}

{{Use mdy dates|date = January 2019}}

{{Infobox anatomy

| Name = Triangular space

| Latin =

| GraySubject = 124

| GrayPage = 445

| Image = Axillary_space.png

| Caption = Suprascapular and axillary nerves of right side, seen from behind. The [[axillary space]]s are labeled in green. Triangular space is the medial space.

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| Nerve =

| Lymph =

| MeshName =

| MeshNumber =

| DorlandsPre =

| DorlandsSuf =

}}

The '''triangular space''' (also known as the '''medial triangular space''',<ref>[http://iris3.med.tufts.edu/dentgross/labguide/Shoulder4.html Photo at tufts.edu]</ref> '''upper triangular space''',<ref name="isbn0-7817-5309-0">{{cite book |author=Kyung Won, PhD. Chung |title=Gross Anatomy (Board Review) |publisher=Lippincott Williams & Wilkins |___location=Hagerstown, MD |year=2005 |isbn=0-7817-5309-0 |oclc= |doi= |page=34}}</ref> or '''medial axillary space''' or foramen omotricipitale<ref name="Fermin 2015">{{Citationcite neededbook|last1=Valera Garrido|first1=Fermin|title=Advanced Techniques in Musculoskeletal Medicine and Physiotherapy: Using Minimally Invasive Therapies in Practice|date=2 October 2015|publisher=Elsevier Health Sciences|isbn=9780702062346|page=113|url=https://books.google.com/books?id=Yg3hCgAAQBAJ&pg=PA113|access-date=26 January 20082018}}</ref>) oris foramenone omotricipitale)of isthe three spaces found at anthe [[axillary space]]. The other two spaces are the [[quadrangular space]] and the [[triangular interval]].<ref name="BD Chaurasia 2010">{{cite book|last1=Krishna|first1=Garg|title=BD Chaurasia's Human Anatomy (Regional and Applied Dissection and Clinical) Volume 1 - Upper limb and thorax|date=2010|publisher=CBS Publishers and Distributors Pvt Ltd|___location=India|isbn=978-81-239-1863-1|pages=81, 82|edition=Fifth|chapter=7 - Scapula}}</ref>

It should not be confused with the [[triangular interval]].

==Boundaries==

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* Inferior: the superior border of the [[teres major]];

* Lateral: the long head of the [[triceps]];

* Superior: Teres minor or Subscapularis

For the superior border, some sources list the [[teres minor]],<ref name="isbn0-7817-5309-0"/><ref>{{SUNYAnatomyLabs|03|05|01|01}} - "Triangular Space of Scapular Region"</ref> while others list the [[subscapularis]].<ref name="isbn0-443-06612-4">{{cite book |author=Adam Mitchell |author2=Drake, Richard |author3=Gray, Henry David |author4=Wayne Vogl |title=Gray's anatomy for students |publisher=Elsevier/Churchill Livingstone |___location= |year=2005 |pages= |isbn=0-443-06612-4 |oclc= |doi=}}</ref>

==Contents==

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Unlike the quadrangular space or the triangular interval, no major nerve passes through the triangular space.

[[File:Gray412-spaces.png|thumb|right|200px||Muscles on the dorsum of the scapula, and the Tricepstriceps brachii.]]

==See also==

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* [http://www.microsurgeon.org/back_muscles_parascap.jpg Diagram at microsurgeon.org]

* [http://iris3.med.tufts.edu/dentgross/labguide/Shoulder4.html Photo at tufts.edu]

* {{usurped|1=[https://web.archive.org/web/20070927205309/http://www.ganfyd.org/index.php?title=Triangular_space Description at ganfyd.org]}}

* [http://www.ithaca.edu/faculty/lahr/LE2000/UE_Ind_Study_99/shoulder/edited/superficial_post.jpeg Photo at ithaca.edu]

*{{Gray's}}

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{{Anatomy-stub}}

{{Portal bar|Anatomy}}