Stomach Anatomy: Parts, Relations, Normal Variations, and Functions

Stomach Anatomy: Parts, Relations, Normal Variations, and Functions

pediagenosis    September 27, 2026    Comment   

Anatomy, Normal Variations, and Relations of Stomach

The stomach is an enlarged reservoir of the proximal digestive tract, in which ingested food is soaked in gastric juice containing enzymes and hydrochloric acid and then released spasmodically into the duodenum by gastric peristalsis. The form and size of the stomach vary considerably, depending on the position of the body and the degree of filling.

Esophagus in Situ Anatomy

Esophagus in Situ Anatomy

pediagenosis    September 27, 2026    Comment   

Esophagus in Situ Anatomy

Common carotid artery, Anterior scalene muscle, Phrenic nerve, Posterior scalene muscle, Brachial plexus, Subclavian artery, Thyrocervical trunk, Vagus nerve (CN X) 1st rib (cut), Brachiocephalic trunk, Trachea, Arch of aorta, Arch of azygos vein, Right main bronchus, Thoracic part of esophagus, Esophageal plexus, Mediastinal part of parietal pleura (cut edge), Anterior vagal trunk (CN X), Inferior vena cava (cut), Hepatic veins (cut), 

Autonomic Nerves of Thorax Anatomy

Autonomic Nerves of Thorax Anatomy

pediagenosis    September 26, 2026   

Autonomic Nerves of Thorax Anatomy

Cervicothoracic (stellate) ganglion, Ansa subclavian, Cervical cardiac nerves (sympathetic and vagal), Thoracic (sympathetic) cardiac branches, Sympathetic trunk, Vagus nerve (CN X) (cut) and branches to cardiac and pulmonary plexuses, Thoracic (sympathetic) cardiac branches, Anterior pulmonary plexus, Gray and white rami communicantes, Posterior pulmonary plexus (protruding from behind right bronchus), 6th intercostal nerve, 6th thoracic ganglion, Greater thoracic splanchnic nerve, Sympathetic branch to esophageal plexus, Thoracic duct, 

Sex Differences of Pelvis: Measurements Anatomy

Sex Differences of Pelvis: Measurements Anatomy

pediagenosis    September 25, 2026    Comment   

Sex Differences of Pelvis: Measurements Anatomy

Iliolumbar ligament, Iliac crest, Acetabular margin, Ischial tuberosity, Lesser sciatic foramen, Sacrotuberous ligament, Sacrospinous ligament, Anterior superior iliac spine, Greater sciatic foramen, Supraspinous ligament, Posterior sacral foramina, Iliac fossa, Iliolumbar ligament, Anterior longitudinal ligament, Pubic symphysis, Anterior sacrococcygeal ligaments, Pubic tubercle Ischiopubic ramus, Coccyx, Anterior sacral foramina, Anterior view, Superior pubic ramus, Lesser sciatic foramen, Anterior inferior iliac spine, Sacrospinous ligament, Sacrotuberous ligament, Anterior superior iliac spine, Greater sciatic foramen, Sacral promontory, Anterior sacroiliac ligament, Posterior view, Lateral sacrococcygeal ligament, Deep, Superficial, Posterior superior iliac spine, Posterior sacroiliac ligaments, Iliac tubercle, Tendon of long head of biceps femoris muscle

Renal Fasciae Anatomy

Renal Fasciae Anatomy

pediagenosis    September 25, 2026    Comment   

Renal Fasciae Anatomy

Lung, Liver, Bare area of liver, Peritoneum, Right kidney, Right colic (hepatic) flexure, Fibrous capsule of kidney, Anterior and posterior layers of renal (Gerota’s) fascia, Sagittal section through right kidney and lumbar region demonstrates vertical disposition of renal fascia Iliac crest, Quadratus lumborum muscle, Transversalis fascia 12th rib, Respiratory diaphragm,

Obturator Nerve Anatomy

Obturator Nerve Anatomy

pediagenosis    September 25, 2026    Comment   

Obturator Nerve Anatomy

Iliohypogastric nerve, Ilioinguinal nerve, Genitofemoral nerve, Lateral femoral cutaneous nerve, Femoral nerve, Obturator nerve (L2, 3, 4), Posterior branch, Articular branch, Anterior branch, Posterior branch, Cutaneous branch, Articular branch, 

Arteries of Knee and Foot Anatomy

Arteries of Knee and Foot Anatomy

pediagenosis    September 24, 2026    Comment   

Arteries of Knee and Foot Anatomy

Femoral artery, Descending genicular artery, Articular branch, Saphenous branch, Superior medial genicular artery, Popliteal artery (phantom), Middle genicular artery (phantom), Inferior medial genicular artery (partially in phantom), Anterior tibial recurrent artery, Posterior tibial artery (phantom), Fibular artery (phantom), Deep plantar artery, 

Otic Ganglion: Schema Anatomy

Otic Ganglion: Schema Anatomy

pediagenosis    September 24, 2026    Comment   

Otic Ganglion: Schema Anatomy

Mandibular nerve (CN V3) Trigeminal ganglion, Lesser petrosal nerve, Chorda tympani, Trigeminal nerve (CN V), Facial nerve (CN VII), Glossopharyngeal nerve (CN IX), Inferior salivatory nucleus, Pons, Otic ganglion, Ophthalmic nerve (CN V1), Maxillary nerve (CN V2), Auriculotemporal nerve, 

Ureters in Abdomen and Pelvis Anatomy

Ureters in Abdomen and Pelvis Anatomy

pediagenosis    September 24, 2026    Comment   

Ureters in Abdomen and Pelvis Anatomy

Right kidney, Duodenum, Superior mesenteric artery, Right colic artery, Right ureter, Ileocolic artery, Testicular vessels, Common iliac artery, Internal iliac artery, External iliac artery, Middle rectal artery, Left kidney, Left ureter, Inferior mesenteric artery, Left colic artery, Sigmoid arteries, Superior rectal artery (cut), Genitofemoral nerve, Inferior vesical artery,

Nerves of Upper Limb Anatomy

Nerves of Upper Limb Anatomy

pediagenosis    September 23, 2026   

Nerves of Upper Limb Anatomy

Musculocutaneous nerve (dominant nerve to anterior compartment muscles of arm), Median nerve (dominant nerve to anterior compartment muscles of forearm and thenar eminence muscles), Ulnar nerve (dominant nerve to muscles of hand and to flexor carpi ulnaris muscle and medial half of flexor digitorum profundus muscle in forearm),