Anatomy Flashcards
Fractured shaft of humerus - endangered
Axillary nerve
Level spinal cord ends
L1/2
Loss of saddle sensation
Corda equina
Referred pain to ear
Tonsils
Layer of the eye with most refractive power
Cornea
Inability to ad/abduct fingers
T1
Winged scapula due to injury of the…
Long thoracic nerve
Azygous vein drains into…
SVC
Knee reflex
L3/4
Jaw jerk nerve
Trigemnital
Falciform ligament
From the hilum of the liver to the anterior abdominal wall (remnant of the umbilical vein)
Lacteral pectoral nerve
Pectoralis major
Main lymphatic drainage of the leg
Great saphenous vein
Axillary nerve motor supply
Deltoid and teres minor
Transpyloric plane
Superior mesenteric artery origin End of spinal cord Pylorus of stomach Neck of pancreas Origin of portal vein 2nd part of duodenum Sphincter of Oddi Hilum of kidneys Duodenal-jejunal flexure Fundus of gallbladder Tip of 9th costal cartilage Hepatic and splenic flexure
Ankle jerk
L5/S1
Active hyperemia
Increase of blood flow to active tissues in the body
Smooth muscles of arterioles relax in response to local chemical factors
Arterial baroreceptors
Decrease firing to compensate for a sudden loss in arterial BP
Acute inflammation
Leukocytes
Chronic inflammation
Lymphocytes, macrophages, plasma cells
Cricothyroid puncture
Between cricoid and thyroid cartilages (C4-6)Complications: damage to vocal cords (hoarseness) and bleeding
Intercostal catheterisation
Pneumothorax, haemothorax, pleural effusion5th ICS anterior to mid axillary line, or 2nd ICS mid-clavicular line
Lumbar puncture
L3-4 (or below) into the subarachnoid space
Most likely zone of the prostate for carcinoma
Peripheral zone
Most likely zone of the prostate for BPH
Transitional zone
Thyroid surgery
Complications
Bleeding Injury to recurrent laryngeal nerve Hypoparathyroidism Thyrotoxic storm Injury to superior laryngeal nerve Infection Hypothyroidism
Posterior triangle of the neck
Contains the accessory nerve
Apical lung tumour - clinical features
Pain along the inner aspect of the armWasting of intrinsic muscles of the hand Constriction of the pupil
Horner’s syndrome
PAM
Partial ptosis
Anhidrosis
Miosis (constriction of pupil)
Facial nerve - innervations
Motor - stapedius and facial musclesSensory - palate and anterior 2/3 of the tongueParasympathetic - lacrimal gland, submandibular gland, sublingual gland
Traction from an extradural haemorrhage
Nerve endangered
Oculomotor nerve
Compression in the superior orbital fissure above the fibrous ring
Nerve endangered
Oculomotor, trochlear, trigeminal (V1)
Compression within the cavernous sinus
Nerves endangered
AbducensInternal carotid artery
Lateral walls - III, IV, V1, V2
Layers of abdominal wall
Medial to rectus sheath
Above arcuate line
SkinFascia External oblique 1/2 of internal oblique Rectus abdominis 1/2 of internal oblique Transversus abdominis Transversalis fascia Peritoneum
Layers of abdominal wall
Medial to rectus sheath
Bowel arcuate line
Skin Fascia External oblique Internal oblique Transversus abdominis Rectus abdominis Transversalis fascia Peritoneum
Why does the left testis hang lower?
Due to venous drainage - testicular vein drains into the left renal vein on the left side, compared to the IVC on the right side. The left renal vein is smaller than the IVC, so has greater pressure