Deep branch of ulnar nerve

Information about Deep branch of ulnar nerve

Nerve:
Superficial palmar nerves. (Deep branch of ulnar labeled at center right.)
Latinramus profundus nervi ulnaris
subject #210 942
InnervatesDorsal interossei, Palmar interossei, lumbricals #3 and 4
Frompalmar branch of ulnar nerve
Dorlands/Elsevier r_02/12691829
The deep branch of the ulnar nerve, accompanied by the deep branch of the ulnar artery, passes between the abductor digiti minimi and the flexor digiti minimi brevis.

It then perforates the opponens digiti minimi and follows the course of the deep palmar arch beneath the flexor tendons.

At its origin it supplies the hypothenar muscles.

As it crosses the deep part of the hand, it supplies all the interosseous muscles and the third and fourth lumbricals.

It ends by supplying the adductor pollicis and the medial head of the flexor pollicis brevis.

It also sends articular filaments to the wrist-joint.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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Nerves of upper limbs (primarily): the brachial plexus
Supraclaviculardorsal scapular • suprascapular • to the subclavius • long thoracic
Infraclavicular: lateral cordmusculocutaneous (lateral cutaneous of forearm) • lateral pectoral • lateral head of median (anterior interosseous, palmar, common palmar digital, proper palmar digital)
Infraclavicular: medial cordmedial pectoral • medial cutaneous of forearm • medial cutaneous of arm • ulnar (muscular branches, dorsal branch, palmar branch, superficial branch, deep branch) • medial head of median
Infraclavicular: posterior cordsubscapular (upper, lower) • thoracodorsal • axillary (superior lateral cutaneous of arm) • radial (muscular, inferior lateral cutaneous of arm, posterior cutaneous of arm, posterior cutaneous of forearm, superficial branch, deep branch, posterior interosseous)
Othercutaneous innervation of the upper limbs
Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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dorsal interossei of the hand are muscles that occupy the space between the metacarpals.

Structure

There are four dorsal interossei in each hand. They are specified as 'dorsal' to contrast them with the palmar interossei, which are located on the anterior side of the
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The palmar interossei (interossei volares) are small muscles in the hand that lie on the anterior aspect of the metacarpals. They are smaller than the dorsal interossei of the hand, which lie between the metacarpals.
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lumbrical muscles are intrinsic muscles in the fingers that allow flexion at the metacarpophalangeal joints, while maintaining extension at the interphalangeal joints.

Structure

There are four of these small, worm-like muscles on each hand.
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The palmar branch of the ulnar nerve arises about 5 cm above the wrist from where the ulnar nerve splits into palmar and dorsal branches.

The palmar branch represents the continuation of the ulnar nerve as it crosses the flexor retinaculum of the hand on the lateral side of
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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The ulnar artery is the main blood vessel, with oxygenated blood, of the medial aspect of the forearm. It arises from the brachial artery and terminates in the superficial palmar arch, which joins with the superficial branch of the radial artery.
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Abductor digiti minimi (or Abductor digiti quinti) can refer to:
  • Abductor digiti quinti muscle (hand)
  • Abductor digiti quinti muscle (foot)

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Flexor digiti minimi brevis can refer to:
  • Flexor digiti minimi brevis (hand)
  • Flexor digiti minimi brevis muscle (foot)

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The opponens minimi digiti (opponens digiti quinti in older texts) is of a triangular form, and placed immediately beneath the palmaris brevis, abductor minimi digiti, and flexor brevis minimi digiti.
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The deep palmar arch (deep volar arch) is an arterial network found in the palm. It is usually formed mainly from the terminal part of the radial artery, with the ulnar artery contributing via its deep palmar branch.
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Hypothenar refers to a group of three muscles of the palm that control the motion of the little finger.

The three muscles are:
  • Abductor digiti minimi
  • Flexor digiti minimi
  • Opponens digiti minimi

Disorders


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Interossei refer to muscles between the bones. Specific interossei include:
  • Upper limbs
  • Dorsal interossei muscles (hand)
  • Palmar interossei muscles

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lumbrical muscles are intrinsic muscles in the fingers that allow flexion at the metacarpophalangeal joints, while maintaining extension at the interphalangeal joints.

Structure

There are four of these small, worm-like muscles on each hand.
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The adductor pollicis muscle is a muscle in the hand that functions to adduct the thumb. It has two heads: transverse and oblique.

Structure

Oblique head

The oblique head (occasionally known as adductor obliquus pollicis
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The flexor pollicis brevis is a muscle in the hand that flexes the thumb. It is one of three thenar muscles. It has both a superficial part and a deep part.

The superficial part arises from the distal edge of the flexor retinaculum of the hand and the tubercle of the
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wrist is the flexible and narrower connection between the forearm and the palm. The wrist is essentially a double row of small short bones, called carpals, intertwined to form a malleable hinge.
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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A nerve is an enclosed, cable-like bundle of axons (the long, slender projection of a neuron). Neurons are sometimes called nerve cells, though this term is technically imprecise since many neurons do not form nerves, and nerves also include the glial cells that
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In human anatomy, the upper limb (also upper extremity) refers to what in common English is known as the arm, that is, the region of the shoulder to the fingertips. It includes the entire limb, and thus, is not synonymous with the term upper arm.
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The brachial plexus is an arrangement of nerve fibres, running from the spine, specifically from above the fifth cervical vertebra to underneath the first thoracic vertebra (C5-T1). It proceeds through the neck, the axilla (armpit region) and into the arm.
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The dorsal scapular nerve arises from the brachial plexus, usually from the plexus root (anterior ramus) of C5.

It provides motor innervation to the rhomboid muscles, which pull the scapula towards the spine and levator scapulae muscle, which elevates the scapula.
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The suprascapular nerve arises from the trunk formed by the union of the fifth and sixth cervical nerves. It innervates the supraspinatus muscles and infraspinatus muscles.
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The Nerve to the Subclavius (or subclavian nerve) is a small filament, which arises from the point of junction of the fifth and sixth cervical nerves; it descends to the subclavius muscle in front of the third part of the subclavian artery and the lower trunk of the plexus,
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The long thoracic nerve (external respiratory nerve of Bell; posterior thoracic nerve) supplies the Serratus anterior. This nerve characteristically arises by three roots from the fifth, sixth, and seventh cervical nerves (C5-C7) but the root from C7 may be absent.
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The Lateral cord is a division of the brachial plexus.

The lateral cord gives rise to the following nerves:
  • The lateral pectoral nerve, C5, C6 and C7 to the pectoralis major muscle
  • The musculocutaneous nerve which innervates the biceps muscle

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The musculocutaneous nerve arises from the lateral cord of the brachial plexus, opposite the lower border of the Pectoralis minor, its fibers being derived from the fifth, sixth, and seventh cervical nerves.
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The lateral antebrachial cutaneous nerve (or lateral cutaneous nerve of forearm) (branch of musculocutaneous nerve, also sometimes spelled "antebrachial") passes behind the cephalic vein, and divides, opposite the elbow-joint, into a volar and a dorsal branch.
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The lateral pectoral nerve (lateral anterior thoracic) arises from the lateral cord of the brachial plexus, and through it from the fifth, sixth, and seventh cervical nerves.
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