Triangular space

{{Use American English|date = January 2019}} {{Short description|Anatomical region of the shoulder joint}} {{Use mdy dates|date = January 2019}} {{Infobox anatomy | Name = Triangular space | Latin = | Image = Axillary_space.png | Caption = Suprascapular and axillary nerves of right side, seen from behind. The axillary spaces are labeled in green. Triangular space is the medial space. | Image2 = Gray524.png | Caption2 = The scapular and circumflex arteries. (Triangular space is visible but not labeled.) | Precursor = | System = | Artery = | Vein = | Nerve = | Lymph = }} 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 |page=34}}</ref> medial axillary space or foramen omotricipitale<ref name="Fermin 2015">{{cite book|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 2018}}</ref>) is one of the three spaces found at the 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>

==Boundaries== It has the following boundaries: * Inferior: the superior border of the teres major; * Lateral: the long head of the triceps; * Superior: Teres minor 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 |year=2005 |isbn=0-443-06612-4 }}</ref>

==Contents== It contains the scapular circumflex vessels.<ref>{{cite journal | vauthors = Wasfi F, Ullah M | title = Structures passing through the triangular space of the human upper limb | journal = Acta Anat (Basel) | volume = 123 | issue = 2 | pages = 112–3 | year = 1985 | pmid = 4061026 | doi = 10.1159/000146049}}</ref>

Unlike the quadrangular space or the triangular interval, no major nerve passes through the triangular space. thumb|right|200px|Muscles on the dorsum of the scapula, and the triceps brachii.

==See also== * Quadrangular space * Triangular interval

==References== {{Reflist}}

==External links== * [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}}

{{DEFAULTSORT:Triangular space}} Category:Upper limb anatomy