Axillary Joints
Axillary means "related to the axilla (armpit)" or "related to the leaf axils". "Axillary" may refer to: Biology * Axillary artery * Axillary border * Axillary fascia * Axillary feathers * Axillary hairs * Axillary lines * Axillary lymph nodes * Axillary nerve * Axillary process * Axillary sheath * Axillary space * Axillary tail * Axillary vein * Axillary (botany), of a flower or other structure found in a leaf axil See also * Auxiliary (other) * Maxillary (other) Maxillary means "related to the maxilla (upper jaw bone)". Terms containing "maxillary" include: *Maxillary artery *Maxillary nerve *Maxillary prominence *Maxillary sinus The pyramid-shaped maxillary sinus (or antrum of Highmore) is the larg ...

Axilla
The axilla (also, armpit, underarm or oxter) is the area on the human body directly under the shoulder joint. It includes the axillary space, an anatomical space within the shoulder girdle between the arm and the thoracic cage, bounded superiorly by the imaginary plane between the superior borders of the first rib, clavicle and scapula (above which are considered part of the neck), medially by the serratus anterior muscle and thoracolumbar fascia, anteriorly by the pectoral muscles and posteriorly by the subscapularis, teres major and latissimus dorsi muscle. The soft skin covering the lateral axilla contains many hair and sweat glands. In humans, the formation of body odor happens mostly in the axilla. These odorant substances have been suggested by some to serve as pheromones, which play a role related to mate selection, although this is a controversial topic within the scientific community. The underarms seem more important than the pubic area for emitting body odor, whi ...
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Axillary Nerve
The axillary nerve or the circumflex nerve is a nerve of the human body, that originates from the brachial plexus (upper trunk, posterior division, posterior cord) at the level of the axilla (armpit) and carries nerve fibers from C5 and C6. The axillary nerve travels through the quadrangular space with the posterior circumflex humeral artery and vein to innervate the deltoid and teres minor. Structure The nerve lies at first behind the axillary artery, and in front of the subscapularis, and passes downward to the lower border of that muscle. It then winds from anterior to posterior around the neck of the humerus, in company with the posterior humeral circumflex artery, through the quadrangular space (bounded above by the teres minor, below by the teres major, medially by the long head of the triceps brachii, and laterally by the surgical neck of the humerus), and divides into an anterior, a posterior, and a collateral branch to the long head of the triceps brachii branch. * The ...
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Axillary (botany)
This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary of leaf morphology. For other related terms, see Glossary of phytopathology, Glossary of lichen terms, and List of Latin and Greek words commonly used in systematic names. A B ...
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Axillary Vein
In human anatomy, the axillary vein is a large blood vessel that conveys blood from the lateral aspect of the thorax, axilla (armpit) and upper limb toward the heart. There is one axillary vein on each side of the body. Structure Its origin is at the lower margin of the teres major muscle and a continuation of the brachial vein. This large vein is formed by the brachial vein and the basilic vein. At its terminal part, it is also joined by the cephalic vein. Other tributaries include the subscapular vein, circumflex humeral vein, lateral thoracic vein and thoraco-acromial vein. It terminates at the lateral margin of the first rib, at which it becomes the subclavian vein. It is accompanied along its course by a similarly named artery, the axillary artery In human anatomy, the axillary artery is a large blood vessel that conveys oxygenated blood to the lateral aspect of the thorax, the axilla (armpit) and the upper limb. Its origin is at the lateral margin of the first ...
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Axillary Tail
The tail of Spence (Spence's tail, axillary process, axillary tail) has historically been described as an extension of the tissue of the upper outer quadrant of the breast traveling into the axilla. The "axillary tail" has been reported to pass into the axilla through an opening in the deep fascia called foramen of Langer. The "tail of Spence" was named after the Scottish surgeon James Spence, who served as a President of the Royal College of Surgeons in Edinburgh in the latter half of the 19th Century. A recent publication has presented an updated description of the anatomy of the breast and upper outer chest, calling into question the concept of an axillary tail. The report does not challenge that lymphatic drainage consistently extends from the primary breast into the axilla through the foramen of Langer, but does demonstrate that a superolaterally oriented "tail" of breast fat (with or without ductal tissue) is rarely if ever present. Instead, upper lateral chest anatomy is ...
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Axillary Space
The axillary spaces are anatomic spaces. through which axillary contents leave the axilla. They consist of the quadrangular space, triangular space, and triangular interval. It is bounded by teres major, teres minor, medial border of the humerus, and long head of triceps brachii. They should not be confused with the true "axillary space" within the borders of the axilla. Structure Axilla The true axilla is a conical space with its apex at the Cervico-axillary Canal, Base at the axillary fascia and skin of the armpit. When viewed in an axillary plane (axillary cut), it is more triangle with: Medial Wall: Serratus Anterior, Anterior Wall: pectoral muscles, Posterior Wall: subscapularis muscle, where the "apex" of the triangle is the humerus Quadrangular space This space is in the posterior wall of the axilla. It is a quadrangular space bounded laterally by surgical neck of the humerus, medially by long head of triceps brachii and inferiorly by teres major. It is bounded super ...
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Axillary Sheath
The axillary sheath is a fibrous sheath that encloses the axillary artery and the three cords of the brachial plexus to form the neurovascular bundle. It is surrounded by the axillary fat.Last's Anatomuy, 9th Edt It is an extension of the prevertebral fascia of the deep cervical fascia The deep cervical fascia (or fascia colli in older texts) lies under cover of the platysma, and invests the muscles of the neck; it also forms sheaths for the carotid vessels, and for the structures situated in front of the vertebral column. Its a .... A brachial plexus nerve block can be achieved by injecting anaesthetic into this area. References External links * Description at upstate.edu Arteries of the upper limb Fascia {{Portal bar, Anatomy ...
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Axillary Process
The tail of Spence (Spence's tail, axillary process, axillary tail) has historically been described as an extension of the tissue of the upper outer quadrant of the breast traveling into the axilla. The "axillary tail" has been reported to pass into the axilla through an opening in the deep fascia called foramen of Langer. The "tail of Spence" was named after the Scottish surgeon James Spence, who served as a President of the Royal College of Surgeons in Edinburgh in the latter half of the 19th Century. A recent publication has presented an updated description of the anatomy of the breast and upper outer chest, calling into question the concept of an axillary tail. The report does not challenge that lymphatic drainage consistently extends from the primary breast into the axilla through the foramen of Langer, but does demonstrate that a superolaterally oriented "tail" of breast fat (with or without ductal tissue) is rarely if ever present. Instead, upper lateral chest anatomy is ...
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Axillary Lymph Nodes
The axillary lymph nodes or armpit lymph nodes are lymph nodes in the human armpit. Between 20 and 49 in number, they drain lymph vessels from the lateral quadrants of the breast, the superficial lymph vessels from thin walls of the chest and the abdomen above the level of the navel, and the vessels from the upper limb. They are divided in several groups according to their location in the armpit. These lymph nodes are clinically significant in breast cancer, and metastases from the breast to the axillary lymph nodes are considered in the staging of the disease. Structure The axillary lymph nodes are arranged in six groups: # Anterior (pectoral) group: Lying along the lower border of the pectoralis minor behind the pectoralis major, these nodes receive lymph vessels from the lateral quadrants of the breast and superficial vessels from the anterolateral abdominal wall above the level of the umbilicus. # Posterior (subscapular) group: Lying in front of the subscapularis muscle, th ...
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Leaf Axil
A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, flower, and fruit collectively form the shoot system. In most leaves, the primary photosynthetic tissue is the palisade mesophyll and is located on the upper side of the blade or lamina of the leaf but in some species, including the mature foliage of ''Eucalyptus'', palisade mesophyll is present on both sides and the leaves are said to be isobilateral. Most leaves are flattened and have distinct upper (adaxial) and lower (abaxial) surfaces that differ in color, hairiness, the number of stomata (pores that intake and output gases), the amount and structure of epicuticular wax and other features. Leaves are mostly green in color due to the presence of a compound called chlorophyll that is essential for photosynthesis as it absorbs light en ...
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Axillary Lines
The axillary lines are the anterior axillary line, midaxillary line and the posterior axillary line. The anterior axillary line is a coronal line on the anterior torso marked by the anterior axillary fold. It's the imaginary line that runs down from the point midway between the middle of the clavicle and the lateral end of the clavicle. The V5 ECG lead is placed on the anterior axillary line, horizontally even with V4. The midaxillary line is a coronal line on the torso between the anterior and posterior axillary lines. It is a landmark used in thoracentesis, and the V6 electrode of the 10 electrode ECG. The posterior axillary line is a coronal line on the posterior torso marked by the posterior axillary fold. Additional images File:Axillary lines.png, The left side of the thorax with lines labeled See also * List of anatomical lines {{short description, None Anatomical "lines", or "reference lines," are theoretical lines drawn through anatomical structures and are u ...
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Axillary Hairs
Axillary means "related to the axilla (armpit)" or "related to the leaf axils". "Axillary" may refer to: Biology * Axillary artery * Axillary border * Axillary fascia * Axillary feathers * Axillary hairs * Axillary lines * Axillary lymph nodes * Axillary nerve * Axillary process * Axillary sheath * Axillary space * Axillary tail * Axillary vein * Axillary (botany), of a flower or other structure found in a leaf axil See also * Auxiliary (other) * Maxillary (other) Maxillary means "related to the maxilla (upper jaw bone)". Terms containing "maxillary" include: *Maxillary artery *Maxillary nerve *Maxillary prominence *Maxillary sinus The pyramid-shaped maxillary sinus (or antrum of Highmore) is the larg ...