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Axilla anatomy
Axilla anatomy
Published: 2012/09/20
Channel: Bhavin Anatomy
Axilla - Borders
Axilla - Borders
Published: 2015/09/11
Channel: AnatomyTutorials
axilla
axilla
Published: 2015/07/17
Channel: Medicine India
Phish~ Axilla, Part  2
Phish~ Axilla, Part 2
Published: 2010/03/24
Channel: MaidenVenus101
Anatomy of the Axilla
Anatomy of the Axilla
Published: 2016/03/16
Channel: JuanSe Sánchez
Phish | 12.03.09 | Axilla I | Madison Square Garden - New York, NY
Phish | 12.03.09 | Axilla I | Madison Square Garden - New York, NY
Published: 2009/12/04
Channel: HarpuaFSB
2 Minute Tutorial - Anatomy of the Axilla
2 Minute Tutorial - Anatomy of the Axilla
Published: 2014/01/22
Channel: TeachMeAnatomy
Anatomy of axilla by Dr.(prof) A.K.Singh
Anatomy of axilla by Dr.(prof) A.K.Singh
Published: 2016/11/13
Channel: DR. A.K. SINGH
Wow, Magenta Returns!  Right Axilla Abscess Needs Draining!
Wow, Magenta Returns! Right Axilla Abscess Needs Draining!
Published: 2016/03/31
Channel: John Gilmore, MD
Lilly
Lilly's Axillary (Armpit) BooBoo Angst & Fix!
Published: 2017/01/26
Channel: John Gilmore, MD
Axilla Anatomy - Brachial Plexus, Arteries, Muscles
Axilla Anatomy - Brachial Plexus, Arteries, Muscles
Published: 2014/08/20
Channel: Gianfranco Frojo
Axillary Nerve | 3D Anatomy Tutorial
Axillary Nerve | 3D Anatomy Tutorial
Published: 2016/05/08
Channel: AnatomyZone
AXILLARY ARTERY ANATOMY ANIMATED LECTURE
AXILLARY ARTERY ANATOMY ANIMATED LECTURE
Published: 2015/02/07
Channel: Dr.G.Bhanu Prakash
Axillary Armpit Botox for Excess Sweating Hyperhidrosis
Axillary Armpit Botox for Excess Sweating Hyperhidrosis
Published: 2010/04/21
Channel: The New York Skin & Vein Center
Axillary Artery Tutorial
Axillary Artery Tutorial
Published: 2015/07/01
Channel: A & P Tutor
Axilla walls
Axilla walls
Published: 2016/10/01
Channel: Anatomy, Pr. Classes support, Medical School, KSA
Anatomy of the Breast and Axilla, Part 1
Anatomy of the Breast and Axilla, Part 1
Published: 2015/02/26
Channel: Stanford Anatomy
Phish | 12.30.10 | Axilla
Phish | 12.30.10 | Axilla
Published: 2010/12/31
Channel: HarpuaFSB
Excision of a lipoma on the axilla/armpit: Update with before and after pics
Excision of a lipoma on the axilla/armpit: Update with before and after pics
Published: 2015/07/17
Channel: Dr. Sandra Lee (aka Dr. Pimple Popper)
Mid Axilla Skinfold Site
Mid Axilla Skinfold Site
Published: 2012/08/14
Channel: Sport Science Solutions
Netter
Netter's Atlas: Axilla -- Discussed by R. Shane Tubbs, PhD
Published: 2014/04/16
Channel: Elsevier Medical Books
UL 1 Pectoral region & axilla
UL 1 Pectoral region & axilla
Published: 2016/01/31
Channel: rishi pokhrel
25. U Limb - Axilla د. أحمد كمال.cxt
25. U Limb - Axilla د. أحمد كمال.cxt
Published: 2010/08/29
Channel: Jameel Hijazeen
PHISH, Axilla pt2, NYE 1995
PHISH, Axilla pt2, NYE 1995
Published: 2011/09/05
Channel: stevoferrell
Anatomy Lecture on AXILLA & BRACHIAL PLEXUS .......... by Dr Yusuf
Anatomy Lecture on AXILLA & BRACHIAL PLEXUS .......... by Dr Yusuf
Published: 2016/07/25
Channel: yusuf saleem khan
Surface Anatomy - Axilla The Breast (2D)
Surface Anatomy - Axilla The Breast (2D)
Published: 2015/12/14
Channel: RCSI
axilla DR SAMEH GHAZY
axilla DR SAMEH GHAZY
Published: 2014/03/03
Channel: Sameh Ghazy
Axilla Healed Magenta Follow-Up!  Pain Control Complaint?
Axilla Healed Magenta Follow-Up! Pain Control Complaint?
Published: 2016/05/11
Channel: John Gilmore, MD
Anatomical dissection #21: Axillary fossa.
Anatomical dissection #21: Axillary fossa.
Published: 2013/01/24
Channel: Sapiens Medicus
Axilla Meaning
Axilla Meaning
Published: 2015/04/15
Channel: SDictionary
Taber’s Medical Dictionary   Axillary temperature
Taber’s Medical Dictionary Axillary temperature
Published: 2015/11/06
Channel: Sadikatul Bari Sadik
Huge Swelling In Axilla
Huge Swelling In Axilla
Published: 2013/03/03
Channel: Dr. Vikram
Examination  of the axillary nodes
Examination of the axillary nodes
Published: 2016/04/21
Channel: NNUH FT
Axilla Breast Reduction "Tank Toppers" - Arm Liposuction
Axilla Breast Reduction "Tank Toppers" - Arm Liposuction
Published: 2010/09/21
Channel: Innovations Medical
Ultrasound-Guided Axillary Brachial Plexus Block
Ultrasound-Guided Axillary Brachial Plexus Block
Published: 2013/09/19
Channel: NYSORA ADMIN
Phish - Axilla~Birds Of A Feather - 12/28/13 - Madison Square Garden
Phish - Axilla~Birds Of A Feather - 12/28/13 - Madison Square Garden
Published: 2014/01/09
Channel: LazyLightning55a
Axillary Lymph Nodes.D.3bdo
Axillary Lymph Nodes.D.3bdo
Published: 2009/12/14
Channel: AbdO Ahmed
Another Axillary Abscess & Cyst,  Moose with Low Pain Tolerance
Another Axillary Abscess & Cyst, Moose with Low Pain Tolerance
Published: 2016/06/09
Channel: John Gilmore, MD
The Axilla - Anatomy Tutorial
The Axilla - Anatomy Tutorial
Published: 2012/01/09
Channel: thefunkyprofessor
Skill 26 Vital signs- Axillary Temp, Pulse, & Respirations
Skill 26 Vital signs- Axillary Temp, Pulse, & Respirations
Published: 2016/07/29
Channel: The Healthcare Institute
BREAST  MASS with  ENLARGED LYMPH  NODES  in  AXILLA
BREAST MASS with ENLARGED LYMPH NODES in AXILLA
Published: 2014/12/21
Channel: Tahir Ultrasound Center
Axillary Artery - Definition, Branches and Anatomy - Human Anatomy | Kenhub
Axillary Artery - Definition, Branches and Anatomy - Human Anatomy | Kenhub
Published: 2015/03/09
Channel: Kenhub
Mid axilla skinfold
Mid axilla skinfold
Published: 2014/03/09
Channel: Brett Smith
Ultrasound-Guided Axillary Nerve Block - SonoSite.mp4
Ultrasound-Guided Axillary Nerve Block - SonoSite.mp4
Published: 2010/12/04
Channel: ThePainSource
Muscles of the shoulder and the Axilla
Muscles of the shoulder and the Axilla
Published: 2015/12/23
Channel: Scientific Team
Axilla Boundaries, Walls, Contents - Upper Limb Soft Parts - BDC Anatomy
Axilla Boundaries, Walls, Contents - Upper Limb Soft Parts - BDC Anatomy
Published: 2012/10/26
Channel: Dr. Prodigious
Picture tests in anatomy shoulder region and axilla 7
Picture tests in anatomy shoulder region and axilla 7
Published: 2016/05/21
Channel: Human Anatomy Education
Picture tests in anatomy shoulder region and axilla 4
Picture tests in anatomy shoulder region and axilla 4
Published: 2016/05/19
Channel: Human Anatomy Education
axilla
axilla
Published: 2016/10/03
Channel: Tender دكتور علاج طبيعى
Anatomy of the Human Breast and Axilla 2/2
Anatomy of the Human Breast and Axilla 2/2
Published: 2014/03/01
Channel: Reality Medicine
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
  (Redirected from Axillae)
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Axilla
Arm pit – Juno.jpg
Axilla
Details
Artery axillary artery
Vein axillary vein
Nerve axillary nerve, medial cord, posterior cord, lateral cord
Lymph axillary lymph nodes
Identifiers
Latin Axilla
MeSH A01.378.800.090
Dorlands
/Elsevier
a_76/12171908
TA A01.1.00.021
FMA 24864
Anatomical terminology

The axilla (also, armpit, underarm or oxter) is the area on the human body directly under the joint where the arm connects to the shoulder. It also provides the under-arm sweat gland.

In humans, the formation of body odor happens mostly in the axillary region.[1] These odorant substances serve as pheromones which play a role related to mating. The underarm regions seem more important than the genital region for body odor which may be related to human bipedalism.[2]

Structure[edit]

Boundaries[edit]

Anatomically, the boundaries of the axilla are:

superiorly: by the outer border of first rib, superior border of scapula, and posterior border of clavicle[3]
medially: serratus anterior[4] and by the ribcage anteriorly: by the pectoralis major, minor,[5] and subclavius[4]

posteriorly: by the subscapularis above, and teres major and latissimus dorsi below[4]

laterally: by the intertubercular sulcus[5] (coracobrachialis and the short head of the biceps brachii are in the axilla.)[4]
floor/base: by the skin[3] (visible surface of axilla)

The lower posterior boundary is called the posterior axillary fold and this is a compound structure consisting of the latissimus dorsi and teres major muscles.[6]It can descend after weight loss.[7]

The anterior boundary is called the anterior axillary fold and this is rounded in shape and formed by the lower border of the pectoralis major. Some sources also include the pectoralis minor.[8]It can elongate after weight loss.[7]

The contents of the axilla include the axillary vein and artery, as well as the brachial plexus, lymph nodes and fat. The axilla is the space between the side of the thorax and the upper arm.

Contents[edit]

Anatomy of the axilla
Superficial muscles of the chest and front of the arm. 
Axillary artery and its branches - anterior view of right upper limb and thorax. 
The veins of the right axilla, viewed from in front. 
The right brachial plexus (infraclavicular portion) in the axillary fossa; viewed from below and in front. 
The left side of the thorax. 
Axilla 
Axilla 
Axilla 
Axilla 
Axilla 
Axilla 
Axilla 

Society and culture[edit]

The term "underarm" typically refers to the outer surface of the axilla. However, the terms are sometimes used interchangeably in casual contexts. Colloquially, underarm refers to the hollow beneath the junction of the arm and shoulder.[9]

The term oxter is used in the Scots language instead of "axilla".[10]

Tickling[edit]

The underarm can be a ticklish area, possibly due to the number of nerves it contains. Some people find this area to be particularly unpleasant when tickled.

Underarm hair[edit]

Underarm hair usually grows in the underarms of both females and males, beginning in adolescence.

In some modern Western cultures, it is common for women to remove underarm hair. Some view this practice as an aesthetic matter, while others view its removal as a possible effect of health related concerns. As underarm hair grows quickly, shaving must be performed frequently, or else stubble will appear in the axilla.

Throughout the feminist movement, previously in the hippie culture, and in some areas of the punk rock scene, some women choose to keep their underarm hair for a variety of reasons, from subversion to egalitarianism to comfort. Conversely, some men choose to remove their underarm hair for similar aesthetic reasons or to reduce friction in some sports, such as swimming. In a wider context, similar human habits exist also in relation with other hairy areas of the body.

Shaved underarm 
Unshaved underarm 

Clinical significance[edit]

Lymphogenic spread of breast cancer[edit]

Breast cancer typically spreads via lymphatic vessels to the lymph nodes found in the axilla.

Axillary intertrigo[edit]

Excessive perspiration can result in axillary intertrigo. Intertrigo is an inflamed skin condition caused by heat, friction, and moisture.[11] A warm, wet underarm may accommodate the growth of pathogenic bacteria, yeasts, and fungi.[12] The condition is responsible for rash-like symptoms, pustules, or chronic itching or burning in the underarm.[11] Axillary intertrigo is common among those who work in hot environments.[12]


See also[edit]

Notes[edit]

  1. ^ Turkington, Carol; Dover, Jeffrey S. (2007). The encyclopedia of skin and skin disorders (3rd ed.). New York: Facts on File. p. 363. ISBN 978-0-8160-6403-8. 
  2. ^ The Oxford Handbook of Evolutionary Psychology, Edited by Robin Dunbar and Louise Barret, Oxford University Press, 2007, Chapter 22 Body odours and body odour preferences in humans by Claus Wedekind
  3. ^ a b "Anaesthesia UK :AnaesthesiaUK: Applied anatomy for upper limb blocks". Archived from the original on 2008-10-16. Retrieved 2007-12-23. 
  4. ^ a b c d "LAB #4 PECTORAL REGION & Introduction to the Axilla". Retrieved 2007-12-23. 
  5. ^ a b "Dissector Answers - Axilla and Arm". Archived from the original on 2007-12-10. Retrieved 2007-12-23. 
  6. ^ lesson3axilla at The Anatomy Lesson by Wesley Norman (Georgetown University)
  7. ^ a b Hurwitz, D.; Neavin, T. (2007). "Body Contouring of the Arms and Brachioplasty". Handchirurgie · Mikrochirurgie · Plastische Chirurgie. 39 (3): 168–72. PMID 17602378. doi:10.1055/s-2007-965236. 
  8. ^ lesson3axilla at The Anatomy Lesson by Wesley Norman (Georgetown University)
  9. ^ "Definition of armpit - Merriam-Webster Online Dictionary". Archived from the original on 15 December 2007. Retrieved 2007-12-23. 
  10. ^ "BBC - Voices - Multilingual Nation". Archived from the original on 26 December 2007. Retrieved 2007-12-23. 
  11. ^ a b Selden, Samuel, MD. Intertrigo. emedicine, WebMD. March 9, 2007. Accessed May 21, 2009.
  12. ^ a b Occupational Dermatoses - A Program for Physicians. National Institute for Occupational Safety and Health. April 17, 2001. Accessed May 21, 2009.

External links[edit]

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