|Underarm of a male human|
|Deep muscles of the chest and front of the arm, with the boundaries of the axilla.|
|Gray's||subject #149 585|
|Nerve||axillary nerve, medial cord, posterior cord, lateral cord|
|Lymph||axillary lymph nodes|
Anatomically, the boundaries are as follows:
|inlet/apex: by the outer border of first rib, superior border of scapula, and posterior border of clavicle|
|medially: serratus anterior  and by the ribcage||anteriorly: by the pectoralis major, minor, and subclavius  (see also anterior axillary fold)||laterally: by the intertubercular sulcus  (coracobrachialis and the short head of the biceps brachii are in the axilla.)|
|floor/base: by the skin (visible surface of armpit)|
In modern Western culture, it is common for women to remove underarm hair for aesthetic reasons, while men tend to keep it. 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.
Recently, many men in the U.S. and Europe have begun to remove underarm hair due to popularization by hairless male models and athletes, and thinking it is embarrassing if they show it when wearing a sleeveless shirt.
A wide variety of deodorant and antiperspirant products are sold for the purpose of mitigating this odor.
The underarms are among the locations in the human body which are most vulnerable to tickling.
The sexual attraction to the underarms is called axillism.
The term "underarm" only refers to the outer surface of the axilla. However, the terms are sometimes used interchangeably in casual contexts.
Colloquially, armpit refers to an object or place which is smelly, greasy or otherwise undesirable.
- Anaesthesia UK :�AnaesthesiaUK: Applied anatomy for upper limb blocks. Retrieved on 2007-12-23.
- LAB #4 PECTORAL REGION & Introduction to the Axilla. Retrieved on 2007-12-23.
- Dissector Answers - Axilla and Arm. Retrieved on 2007-12-23.
- BBC - Voices - Multilingual Nation. Retrieved on 2007-12-23.
- a_61/12152705 at Dorland's Medical Dictionary
- Definition of armpit - Merriam-Webster Online Dictionary. Retrieved on 2007-12-23.
- axilla at eMedicine Dictionary
- Norman/Georgetown lesson3axilla
- Norman/Georgetown lesson3axillarywalls
General anatomy of upper limbs
|Arm||Axilla • Axillary sheath • axillary folds (Anterior, Posterior) fascia (Axillary, Brachial) - intermuscular septa (Lateral, Medial)|
|Forearm||Cubital fossa (Bicipital aponeurosis) • Cubital tunnel • common tendons (Extensor, Flexor) • Interosseous membrane of the forearm fascia (Antebrachial fascia)|
|Hand||posterior: Extensor retinaculum • Extensor expansion • Vincula tendina • Anatomical snuff box Finger|
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