DoctorScope || Anatomy

🟢Trachea +esophagus+ thyroid gland= same nerve supply Sensory: RLN Motor: Middle cervical ganglion 🟢Trachea + esophagus = same blood supply and lymph drainage and vein drainage Blood supply: inf.thyroid a. Vein drainage : inf thyroid vein Lymph drainage : to posteroinferior deep cervical LN

Some pelvic arteries and their origin.: 1️⃣ utrine a.—-> branch of internal iliac a. 2️⃣vaginal a. —->branch of ant. Division of internal iliac a. 3️⃣middle rectal a. —->branch of ant. Divsion of internal iliac a. 4️⃣superior rectal a. ——> continuation of inferior mesentric a. 5️⃣inf. Rectal a. ——> branch of internal pudendal a. 6️⃣ ovarian a. ——> branch of Abdominal aorta ( level L2) 7️⃣ superior vesicle a. ——> ant. Division of internal iliac a. 8️⃣ inf. vesicle a. ——> branch of ant. Division of internal iliac a. 9️⃣ testicular a. —-> branch of abdominal aorta 🔟 ant. Scrotal a. —-> branch of deep pudendal a. deep pudendal a. —->Branch of femoral a. 🟢cremastric a. —-> branch of inf. epigastric a.

🔴 Neuroanatomy forms: - Spinal cord - Brain stem - Cranial nerves - Diencephalon - Basal ganglia & Extrapyramidal 🔵 Neurophysiology forms: - Introduction to the nervous sys - Sensory system - Motor system - Diencephalon - Basal ganglia & Extrapyramidal

Note that : White matter tracts of spinal cord are supplied by both anterior and posterior spinal arteries While Gray matter of spinal cord is supplied by anterior spinal artery

Carotid reflex arc formed by : Afferent : glossopharyngeal nerve via carotid sinus nerve Efferent : vagus nerve

Branches of ECA supplying the pharynx ; Superior thyroid a. ——> inferior constrictor muscle Ascending pharyngeal a. ——> superior and inferior constrictor muscles

Branches of ECA supplying the middle ear are : - posterior auricular artery ( by stylomastoid artery ) - ascending pharyngeal artery ( by inferior tympanic artery )

Branches of the ECA that supply sternocleidomastoid are : - superior thyroid artery - occipital artery