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which cervical lymph node can apex of tongue/ tonsilar squamous cell carcinoma spread to? apex of tongue→ ☆Ⅰ= submental
tonsilar→ Ⅱ= upper ☆jugular nodes
anatomy free120 UWorld May 21, 2020, 3:24 AM   HirotoShishido

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pure motor symptoms of radial nerve injury injury to the deep branch of the radial nerve at the supinator muscle can be due to ☆repetitive pronation/spination of the forearm

involved: posterior interosseous nerve→ weakness on finger and thumb extension

not involved: extensor carpi radialis longus(responsible for wrist extension), superficial branch of radial nerve(cutaneous sensory branch)
musculoskeletal anatomy UWorld May 21, 2020, 1:41 AM   HirotoShishido

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which part of urethra commonly injured anterior urethral injury: perineal straddle injury→ bulbar urethra

posterior urethral injury: ☆pelvic fracture→ ☆memaranous urethra
reproductive anatomy UWorld May 17, 2020, 9:48 PM   HirotoShishido

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complications of blow out fracture (fracture of orbital floor)
damage to ☆infraorbital nerve can result in eumbness and paresthesia of the upper cheek, ☆uppep lip, and upper gingiva

enophthalmos and entrapment of the inferior rectus muscle can impair vertical gaze
ENT anatomy UWorld May 17, 2020, 4:56 AM   HirotoShishido

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arm abduction 煤であったソルト
0-15 Supraspinatus→ Suprascapular
(tested by ☆empty can test)

15-100 Deltoid→ Axillary
>90 Trapezius→ Accessory
>100 Serratus Anterior→ LongThoracic
musculoskeletal anatomy UWorld May 14, 2020, 8:35 AM   HirotoShishido

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defect in the afferent pathyway of cough reflex Superior laryngeal nerve (4th pharyngeal arch)
Motor innervation (☆external branch): cricothyroid muscle
Sensory innervation (Internal laryngeal nerve): ¥above the vocal cords

Recurrent laryngeal nerve
Motor innervation: all intrinsic muscles except for cricothyroid muscle
Sensory innervation: below the vocal cords

damage at ¥piriform recess→ damage to internl laryngeal nerve→ defect in the afferent pathyway of cough reflex
anatomy ENT Amboss level4 May 8, 2020, 9:00 AM   HirotoShishido

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right/left bronchial artery right→¥posterior intercostal artery
left→thoracic aorta

bronchial artery accounts for appox. 90% of cases of hemoptysis→coil embolization
respiratory anatomy Amboss level4 May 7, 2020, 12:27 AM   HirotoShishido

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artery and vein of stomach right gastric a← proper hepatic a
right gastric v→ hepatic portal v

left gastric a← celiac trunk
left gastric v→ hepatic portal v

right gastroepiploic a← GAD
right gastroepiploic v→ SMV

left gastroepiploic a← splenic a
left gastroepiploic v→ splenic v

short gastric a← splenic a
short gastric v→ splenic v(fundus)
gastrointestinal anatomy May 6, 2020, 11:53 AM   HirotoShishido

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superficial lymphatic vessels and deep lymphatic vessels of legs lateral system→☆popliteal nodes→ deep inguinal nodes
glans penis and penile urethra→ deep inguinal nodes

medial system, scrotum, perineum, anterior abdominal wall→ superficial inguinal nodes
anatomy immunology UWorld May 5, 2020, 2:19 AM   HirotoShishido

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inferior/superficial epigastric artery inferior epigastric artery branches off from the external iliac artery immediately proximal to the inguinal ligament
between transverse abdominis muscle and internal oblique muscle

trauma to the inferior epigastric artery below the arcuate line can result in significant hemorrhage (below the line, rectus abdominis is covered only by the anterior sheath (no posterior sheath))
→cesarian involves ☆vertical separation

superficial→ distal to the inguinal ligament
on the external oblique muscle
anatomy musculoskeletal UWorld May 3, 2020, 2:14 AM   HirotoShishido

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sensory input to thalamus Ventral Postero-Lateral nucleus
→Vibration, Pressure, Proprioception, Pain, Light touch(, temperature)

ventral postero-Medial mucleus
→face sensation, taste(Makeup on the face)(trigeminal and gustatory pathway)
neurology anatomy UWorld Mar 7, 2020, 8:42 PM   HirotoShishido

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artery in close association with the radial nerve deep brachial artery
anatomy musculoskeletal UWorld Feb 20, 2020, 5:11 AM   HirotoShishido

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muscles attaches to greater trochanter ☆gluteus medius, gluteus minimus, piriformis
anatomy UWorld musculoskeletal Jan 22, 2020, 9:00 PM   HirotoShishido

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at what vertebral level is conus medullaris located?
which nerve is affected ln conus medullaris syndrome? L1-2

S3-5(urinary incontinence, bilateral pain⇔ cauda epuina syndrome)
anatomy musculoskeletal neurology Dec 23, 2019, 11:03 AM   HirotoShishido

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anatomy of the carotid sheath The common carotid artery is medial, the internal jugular vein is lateral, and the vagus nerve is posterior within the carotid sheath.
anatomy cardiovascular Dec 23, 2019, 10:10 AM   HirotoShishido

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anatomical plane 矢状断=saggital
冠状断=coronal
軸位断=axial
anatomy Jul 4, 2019, 8:42 AM   HirotoShishido

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