Mnemonic: HALD
Mnemonic: BOHR
SYNONYMS: Cranial nerve seven (VII), Nervus facialis Supranuclear pathways 1. Somatomotor cortex: controlling motor component of facial nerve lies in precentral gyrus (Broadmann area 4,6,8) 2. Volitional component: Corticonuclear tracts descend and cross to supply both ipsilateral and contralateral facial (mainly to the contralateral side) nucleus i.e. frontal branch components…
Synonyms: Hoffman-Tinel test, Tinel’s sign, Nerve percussion test Definition: “pins and needle feeling” elicited by tapping on a nerve proximally, with resulting paresthesia experienced in the corresponding distal cutaneous distribution of an injured peripheral nerve. Eliciting tinel sign: With gentle percussion by a finger or percussion hammer along the course of…
Arterial supply Arterial anastomosis Venous drainage The venous plexus lies beneath the true capsule (peripheral condensation of fibrous stroma of gland). Hence, during thyroidectomy, thyroid gland is removed along with the true capsule to avert the hemorrhage. False capsule (pre-tracheal fascia) is left intact. Thyroid Arteries and Laryngeal Nerves Mnemonic:…