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Illustration of the posterior cutaneous nerve of the thigh, showing its innervation to the lower medial gluteal quadrant and posterior thigh.

Posterior Cutaneous Nerve of the Thigh

Illustration of the anterior, middle, and posterior scalene muscles of the neck.

Posterior Scalene

Illustration of the fourth layer of the plantar muscles, featuring the unipennate plantar interossei and bipennate dorsal interossei.

Plantar Interossei (Foot)

Superior view of the intrinsic muscles of the larynx, highlighting their anatomical arrangement.

Posterior Cricoarytenoid

Posterior view of the opened pharynx showing the longitudinal muscles and pharyngeal constrictors, with the nasal and oral cavities labeled.

Palatopharyngeus

Illustration showing the deep branch of the radial nerve piercing the supinator muscle, identified as the posterior interosseous nerve.

Posterior Interosseous Nerve

Anatomical illustration of the upper limb showing the brachial artery and the red-highlighted deep brachial artery coursing along the humerus.

Profunda Brachii Artery (Deep Brachial)

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Profunda Femoris (Deep Femoral) Artery

Diagram illustrating the palmar cutaneous branch of the median nerve, highlighting its origin at the distal wrist and its innervation of the lateral palm skin.

Palmar Cutaneous Branch of the Median Nerve

Diagram of the muscles in the deep layer of the posterior leg, including popliteus, flexor digitorum longus, flexor hallucis longus, and tibialis posterior.

Popliteus

Anatomical diagram illustrating the course and branches of the pudendal nerve.

Perineal Nerve

Diagram illustrating the course and terminal branches of the posterior auricular artery in the posterior scalp.

Posterior Auricular Artery

Diagram showing the course and supply of the pharyngeal nerve, branching from the maxillary nerve in the pterygopalatine fossa.

Pharyngeal Nerve

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Posterior Ethmoidal Nerve

Illustration of the shoulder and upper arm showing the posterior circumflex humeral artery and its descending branch arising from the axillary artery.

Posterior Circumflex Humeral Artery

An anatomical illustration of the right side of the head and neck showing the posterior auricular vein and tributaries in blue, with the retromandibular vein in purple and external jugular vein in green.

Posterior Auricular Vein

Diagram showing the posterior inferior cerebellar arteries branching from the vertebral arteries near their junction with the basilar artery.

Posterior Inferior Cerebellar Artery

Illustration of the arterial supply to the anterior and posterior leg, highlighting the popliteal artery and its branches.

Posterior Tibial Artery

Diagram of the muscles of the posterior abdominal wall, including Psoas Minor, Psoas Major, and Iliacus.

Psoas Major

Illustration of the superficial muscles of the anterior forearm, including Flexor Carpi Ulnaris, Flexor Carpi Radialis, Palmaris Longus, and Pronator Teres.

Pronator Teres

Illustration of the deep flexor muscles in the left anterior forearm, showing the flexor pollicis longus, flexor digitorum profundus, and pronator quadratus.

Pronator Quadratus

Illustration of the sternal and clavicular heads of the pectoralis major muscle.

Pectoralis Major

Illustration of the serratus anterior and pectoralis minor muscles in the deep chest.

Pectoralis Minor

Illustration of the dorsal and palmar interossei muscles in the hand.

Palmar Interossei (Hand)

An anatomical illustration of the palmar side of the hand and wrist, showing muscles, tendons, bones, and the palmaris brevis muscle.

Palmaris Brevis

Illustration depicting the deep muscles of the gluteal region, including the quadratus femoris, obturator internus, piriformis, and gemelli muscles.

Piriformis

Diagram of the pyramidalis muscle located in the anterior abdominal wall.

Pyramidalis

Illustration of the superficial muscles of the anterior forearm, including Flexor Carpi Ulnaris, Flexor Carpi Radialis, Palmaris Longus, and Pronator Teres.

Palmaris Longus

Diagram of the muscles of the posterior abdominal wall, including Psoas Minor, Psoas Major, and Iliacus.

Psoas Minor

Superior view of the pelvic floor with emphasis on the prerectal fibers of the puborectalis muscle.

Puborectalis

Superior view of the pelvic floor with emphasis on the prerectal fibers of the puborectalis muscle.

Pubococcygeus

Illustration of the nasal muscles of facial expression, highlighting the two parts of the nasalis muscle.

Procerus

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Palatoglossus

Illustration of the anterior thigh muscles, color-coded with a legend identifying psoas major, iliacus, rectus femoris, vastus medialis, vastus lateralis, sartorius, and pectineus.

Pectineus

Illustration of the superficial layer muscles in the posterior leg, showing the gastrocnemius with part of its body removed to reveal underlying muscles.

Plantaris

Popular

Transverse section of the carpal tunnel, illustrating its contents and borders.
Anatomical Areas

The Carpal Tunnel

by Kristen Davies

Diagram of the superior mesenteric artery and its branches, with emphasis on the position of the inferior pancreatoduodenal artery.
Arteries of the Abdomen

The Superior Mesenteric Artery

by Katherine Sanders and Natalia Munoz

Anatomy diagram illustrating the cutaneous nerves of the foot, highlighting the distribution of the dorsal cutaneous nerves.
Nerves of the Lower Limb

The Superficial Fibular (Peroneal) Nerve

by Mini Sardar