I

All anatomy entries starting with "I"

23 entries

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23 entries · Nerves

Nerve Iliohypogastric Nerve nervus iliohypogastricus Abdomen The iliohypogastric nerve is the motor supply to the lower abdominal wall muscles and the sensory… Nerve Iliohypogastric Nerve Lumbar Origin nervus iliohypogastricus (origo lumbalis) Lower Back The iliohypogastric nerve arises from the L1 nerve root (with a contribution from T12) as the… Nerve Ilioinguinal Nerve nervus ilioinguinalis Abdomen The ilioinguinal nerve traverses the inguinal canal and supplies sensory innervation to the upper medial thigh,… Nerve Ilioinguinal Nerve Lumbar Origin nervus ilioinguinalis (origo lumbalis) Lower Back The ilioinguinal nerve arises from L1 (with T12 contribution) just below the iliohypogastric nerve at the… Nerve Inferior Alveolar Nerve nervus alveolaris inferior Head & Skull The inferior alveolar nerve is the primary sensory supply to the lower teeth and the terminal… Nerve Inferior Alveolar Nerve Canal Course nervus alveolaris inferior in canali mandibulae Head & Skull The inferior alveolar nerve (IAN) enters the mandibular foramen on the medial ramus, traverses the mandibular… Nerve Inferior Cluneal Nerves nervi clunium inferiores Pelvis & Hip The inferior cluneal nerves arise from the posterior femoral cutaneous nerve (S1-S3) as it exits below… Nerve Inferior Gluteal Nerve nervus gluteus inferior Pelvis & Hip The inferior gluteal nerve is a purely motor nerve supplying only the gluteus maximus, the largest… Nerve Inferior Gluteal Nerve (Detail) nervus gluteus inferior (aspectus detailiatus) Pelvis & Hip The inferior gluteal nerve arises from the posterior divisions of L5, S1, and S2, exiting the… Nerve Inferior Gluteal Nerve (Full) nervus gluteus inferior Pelvis & Hip The inferior gluteal nerve has a single function — supplying the gluteus maximus — and has… Nerve Inferior Hypogastric Plexus plexus hypogastricus inferior Pelvis & Hip The inferior hypogastric plexus is the principal autonomic plexus of the pelvis, formed bilaterally by the… Nerve Inferior Lateral Cutaneous Nerve of the Arm nervus cutaneus brachii lateralis inferior Upper Arm The inferior lateral cutaneous nerve of the arm is a branch of the radial nerve arising… Nerve Inferior Mesenteric Ganglion ganglion mesentericum inferius Abdomen The inferior mesenteric ganglion is a small prevertebral sympathetic ganglion located at the origin of the… Nerve Inferior Phrenic Nerve nervus phrenicus inferior Abdomen The inferior phrenic nerves (left and right) are branches of the celiac plexus or directly from… Nerve Infraorbital Nerve nervus infraorbitalis Head & Skull The infraorbital nerve is the terminal branch of the maxillary nerve, emerging from the infraorbital foramen… Nerve Infrapatellar Plexus plexus infrapatellaris Knee The infrapatellar plexus is formed by terminal branches of the saphenous infrapatellar branch, the medial retinacular… Nerve Intercostal Brachial Nerve nervus intercostobrachialis Chest The intercostal brachial nerve is the lateral cutaneous branch of the second intercostal nerve (T2) that… Nerve Intercostal Nerves nervi intercostales Chest The twelve pairs of thoracic nerve anterior rami are called intercostal nerves (T1 through T11) and… Nerve Intercostal Nerves (Full) nervi intercostales (T1-T11) Chest The intercostal nerves (T1-T11) supply the chest and abdominal wall in dermatomal bands. The classic dermatome… Nerve Intercostobrachial Nerve nervus intercostobrachialis Upper Arm The intercostobrachial nerve is the lateral cutaneous branch of the second intercostal nerve that crosses the… Nerve Interdigital Nerves of the Foot nervi digitales communes pedis Foot & Ankle The common plantar digital nerves arise from the medial and lateral plantar nerves and run in… Nerve Interdigital Neuroma Nerve nervus digitalis plantaris communis Foot & Ankle Morton neuroma involves the common plantar digital nerve of the third web space (between the third… Nerve Internal Branch of the Superior Laryngeal Nerve ramus internus nervi laryngei superioris Neck The internal branch of the superior laryngeal nerve is the larger sensory branch that pierces the…

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