General Anatomy Flashcards
Superior mesenteric artery pierces what organ?
Superior mesenteric artery pierces the
pancreas
At what level does the aorta cross the diaphragm
T12
At what level does the epidural space start?
From the foramen magnum To S2 - sacral hiatus
Blood supply of the spleen
Splenic, superior and inferior pancreatoduodenal arteries.
Borders of the femoral triangle
Lateral border = Medial border of sartorius Superior border = inguinal ligament Medial border = adductor longus
Branches of the femoral artery
Descending genicular Profunda femoris Superficial and deep external pudendal arteries Superficial epigastric Superficial circumflex iliac
Clinical effect of injury to the femoral nerve
Quadriceps muscle weakness –> weak knee extension. Anterior thigh numbness. Decreased / absent knee jerk
Clinical effect of injury to the sciatic nerve
Affects all muscles below the knee. Foot drop, loss of knee flexion. Inability to walk. Loss of ankle jerk Normal knee jerk
Contents of the inguinal canal
Spermatic cord or round ligament Ilioinguinal nerve
Dermatome of Supraclavicular Fossa
C3
Dermatome supply of anterior upper arm
C5
Dermatome supply of level of the nipple
T5
Dermatome supply of level of umbilicus
T10
Dermatome supply of medial ante-cubital fossa
T1
Dermatome supply of the acromio-clavicular joint
C4
Dermatome supply of the axilla
T2
Dermatome supply of the ischial tuberosity
S3
Dermatome supply of the lateral heel
S1
Dermatome supply of the little finger
C8
Dermatome supply of the medial femoral condyle
L3
Dermatome supply of the medial malleolus
L4
Dermatome supply of the mid anterior thigh
L2
Dermatome supply of the middle finger
C7
Dermatome supply of the perianal area
S5
Dermatome supply of the popliteal fossa
S2
Dermatome supply of the thumb
C6
Dermatome supply over the dorsal 3rd MTPJ of the foot
L5
Floor of the femoral triangle
Adductor longus Part of adductor brevis Pectineus Iliopsoas
Functions of the phrenic nerve
motor to the diaphragm sensory to the fibrous pericardium, mediastinal pleura, and diaphragmatic peritoneum.
How many types of pleura are there + what are they called
2 Parietal and visceral
Innervation of the diaphragm
Phrenic nerve - C345
Insertion of iliacus
Arises from iliac fossa And ASIS
Insertion of the diaphragm
Xiphoid cartilage of the sternum, inner surface of the lower 6 ribs Arcuate ligaments posteriorly
Insertion of the diaphragm
Xiphoid cartilage of the sternum, inner surface of the lower 6 ribs Arcuate ligaments posteriorly
Insertions of psoas major
Deep part - from transverse process of lumbar vertebra 1-5 Superficial part - lateral surfaces of last thoracic vertebrae, L1-5 and discs
Insertions of psoas major
Deep part - from transverse process of lumbar vertebra 1-5 Superficial part - lateral surfaces of last thoracic vertebrae, L1-5 and discs
Length of the inguinal canal in adults
4cm
Length of the inguinal canal in adults
4cm
Lymphatic drainage of the bladder
External Iliac nodes Fundus to internal iliac nodes Some to common Iliac and sacral
Lymphatic drainage of the bladder
External Iliac nodes Fundus to internal iliac nodes Some to common Iliac and sacral
Muscle of ankle dorsiflexion
Tibialis anterior
Muscle of ankle dorsiflexion
Tibialis anterior
Muscle of eversion of the foot
Peroneus longus
Muscle of eversion of the foot
Peroneus longus
Muscle of extension of distal phalanx of the big toe
Extensor hallucis longus
Muscle of extension of distal phalanx of the big toe
Extensor hallucis longus
Muscle of hip flexion
Iliopsoas
Muscle of hip flexion
Iliopsoas
Muscle of knee extension
Quadriceps
Muscle of knee extension
Quadriceps
Nerve root control of knee-jerk
L3/4
Nerve root control of knee-jerk
L3/4
Nerve root of the femoral nerve
L2-4
Nerve root of the femoral nerve
L2-4
Nerve root of the sciatic nerve
L4-5, S1-3
Nerve root of the sciatic nerve
L4-5, S1-3
Nerve roots of the phrenic nerve
C3-5
Nerve roots of the phrenic nerve
C3-5
Position of pancreas in relation to the left kidney
Tail of the pancreas crosses the left kidney anteriorly.
Position of pancreas in relation to the left kidney
Tail of the pancreas crosses the left kidney anteriorly.
Position of pancreas in relation to the left kidney
Tail of the pancreas crosses the left kidney anteriorly.
Position of pancreas in relation to the left kidney
Tail of the pancreas crosses the left kidney anteriorly.
Relation of the phrenic nerve to the hilum of the lung
Passes anterior
Relation of the phrenic nerve to the hilum of the lung
Passes anterior
Signs and symptoms of femoral nerve injury
Weakness of the quadriceps muscle causing weak knee extension Numbness over anterior thigh and medial leg Decreased knee-jerk
Signs and symptoms of femoral nerve injury
Weakness of the quadriceps muscle causing weak knee extension Numbness over anterior thigh and medial leg Decreased knee-jerk
Signs and symptoms of sciatic nerve damage
Affects all muscles below the knee causing loss of knee flexion, foot drop and inability to walk Loss of ankle jerk Normal knee jerk
Signs and symptoms of sciatic nerve damage
Affects all muscles below the knee causing loss of knee flexion, foot drop and inability to walk Loss of ankle jerk Normal knee jerk
Symptoms of femoral nerve injury
Weakness of quadriceps muscle - weak knee extension Numbness over anterior thigh / medial Reduced / absent knee jerk
Symptoms of femoral nerve injury
Weakness of quadriceps muscle - weak knee extension Numbness over anterior thigh / medial Reduced / absent knee jerk
Symptoms of lateral cutaneous nerve injury / compression
Pain - paraesthesia / sensory loss over upper lateral thigh
Symptoms of lateral cutaneous nerve injury / compression
Pain - paraesthesia / sensory loss over upper lateral thigh
Symptoms of sciatic nerve injury
A complete lesion affects all muscles of the lower limb. Loss of knee flexion, foot drop, inability to walk. Loss of sensation below the knee laterally. Normal knee jerk, loss of ankle jerk.
Symptoms of sciatic nerve injury
A complete lesion affects all muscles of the lower limb. Loss of knee flexion, foot drop, inability to walk. Loss of sensation below the knee laterally. Normal knee jerk, loss of ankle jerk.
The common bile duct is formed by which 2 ducts
The common hepatic duct and cystic duct combine
The common bile duct is formed by which 2 ducts
The common hepatic duct and cystic duct combine
The perineal body is the point of attachment for:
Bulbospongiosus Deep transverse perineal muscles External anal sphincter Pubococcygeus Superficial transverse perineal muscles Levator ani
The perineal body is the point of attachment for:
Bulbospongiosus Deep transverse perineal muscles External anal sphincter Pubococcygeus Superficial transverse perineal muscles Levator ani
The right ureter lies in close relation to what structures
Descending duodenum Right of the IVC Crossed by right colic and iliocolic vessels Uterine artery Suspensory ligament of the ovary
The right ureter lies in close relation to what structures
Descending duodenum Right of the IVC Crossed by right colic and iliocolic vessels Uterine artery Suspensory ligament of the ovary
To what lymph group does the distal rectum drain to
Internal iliac
To what lymph group does the distal rectum drain to
Internal iliac
To which group of nodes does lymph from the hallux first pass?
Superficial inguinal
To which group of nodes does lymph from the hallux first pass?
Superficial inguinal
Venous drainage of the bladder
Internal iliac veins
Wh oh muscles are the hip flexors
Iliopsoas Rectus femoris Sartorius Tensor fascia latae
What are the 3 cutaneous branches of the femoral nerve
Medial and intermediate cutaneous nerves of the thigh. Saphenous nerve
What are the 3 sites of constriction of the ureters
Pelvo-ureteric junction Where ureters cross pelvic brim Vesico-ureteric junction
What are the borders of the femoral canal
Anterior - inguinal ligament Posterior - pectineal ligament Medial - lacunar ligament Lateral - femoral vein
What are the borders of the femoral canal
Anterior - inguinal ligament Posterior - pectineal ligament Medial - lacunar ligament Lateral - femoral vein
What artery pierces the pancreas
Superior mesenteric artery
The Middle cerebral artery supplies which surface of the brain?
Middle cerebral artery supplies the
lateral
surface of the brain
What blood vessel supplies the lateral surface of the brain
Middle cerebral
What does the epidural space contain?
Fat Epidural veins (batsons plexus) Small arteries Lymphatics Spinal nerve roots
What does the iliopsoas muscle comprise of?
2 muscles - iliacus and psoas major
What does the internal carotid artery divide into
Anterior and middle cerebral arteries
What does the thymus develop from
The endoderm of the third pharyngeal pouch
What is he blood supply of the pancreas
Splenic artery, superior and infecrior pancreatoduodenal artery
What is meralgia paraesthetica
Entrapment neuropathy - lateral cutaneous nerve
What is the anal reflex?
Pin prick of perianal skin causes a reflex contraction of external anal sphincter
What is the anal reflex?
Pin prick of perianal skin causes a reflex contraction of external anal sphincter
What is the diaphragm derived from?
Mesoderm Pleuroperitoneal membranes
What is the diaphragm derived from?
Mesoderm Pleuroperitoneal membranes
What is the Epiploic foramen
Communicating passage between the greatest sac and the lesser sac of the abdomen
What is the Epiploic foramen
Communicating passage between the greatest sac and the lesser sac of the abdomen
What is the common hepatic duct formed from?
The left and right hepatic ducts, join to form the common hepatic duct
What is the common hepatic duct formed from?
The left and right hepatic ducts, join to form the common hepatic duct
What is the nerve root supply for the muscle group of the ankle reflex
S1-2
What is the nerve root supply for the muscle group of the ankle reflex
S1-2
What is the nerve root supply for the muscle group of the biceps reflex
C5 - 6
What is the nerve root supply for the muscle group of the biceps reflex
C5 - 6
What is the nerve root supply for the muscle group of the knee reflex
L3 - 4
What is the nerve root supply for the muscle group of the knee reflex
L3 - 4
What is the pathway of the common bile duct as it descends
It passes posterior to the proximal duodenum. Joins with the pancreatic duct to form the hepatopancreatic ampulla of Varter which empties into the 2nd part of the duodenum. Via the sphincter of Oddi.
What is the pathway of the common bile duct as it descends
It passes posterior to the proximal duodenum. Joins with the pancreatic duct to form the hepatopancreatic ampulla of Varter which empties into the 2nd part of the duodenum. Via the sphincter of Oddi.
What is the pituitary gland derived from embryologically
Anterior -Ectoderm Posterior- neuroderm
What is the pituitary gland derived from embryologically
Anterior -Ectoderm Posterior- neuroderm
What is the rectus sheath composed of?
Fibrous condensation of the aponeurotic layers of the anterior abdominal wall
What is the rectus sheath composed of?
Fibrous condensation of the aponeurotic layers of the anterior abdominal wall
What is the sacrum composed of
5 fused vertebral bodies
What is the sacrum composed of
5 fused vertebral bodies
What is waldeyers sheath
And the investment of muscles surrounding the ureteral opening in the bladder wall
What is waldeyers sheath
And the investment of muscles surrounding the ureteral opening in the bladder wall
What joins the bladder to the umbilicus
Remains of the urachus - middle umbilical ligament
What joins the bladder to the umbilicus
Remains of the urachus - middle umbilical ligament
What level does the aorta cross the diaphragm
T12
What level does the aorta cross the diaphragm
T12
What lies within the femoral sheath
Femoral artery Femoral vein Lymphatics
What lies within the femoral sheath
Femoral artery Femoral vein Lymphatics
What makes up the LOAF muscles
Lateral 2 lumbricals Opponens pollicis Abductor pollicis brevis flexor pollicis brevis
What makes up the LOAF muscles
Lateral 2 lumbricals Opponens pollicis Abductor pollicis brevis flexor pollicis brevis
What muscle is mainly responsible for knee extension
Quadriceps
What muscle is mainly responsible for knee extension
Quadriceps
What muscles does the median nerve innervate
LOAF muscles Flexor carpi radialis Pronator teres
What muscles does the median nerve innervate
LOAF muscles Flexor carpi radialis Pronator teres
What muscles does the radial nerve supply
Triceps, brachioradialis, supinator, abductor pollicis longus
What muscles does the radial nerve supply
Triceps, brachioradialis, supinator, abductor pollicis longus
What never roots mediates the anal reflex
S3-4
What never roots mediates the anal reflex
S3-4
What roots supply the pudendal nerve
Anterior rami of S2-4
What roots supply the pudendal nerve
Anterior rami of S2-4
What separates the female bladder from the anterior surface of the uterus
Vesicouterine excavation
What separates the female bladder from the anterior surface of the uterus
Vesicouterine excavation
What structure is the pancreas pierced by
Superior mesenteric artery
What structure is the pancreas pierced by
Superior mesenteric artery
What vessel connects the anterior cerebral arteries
Anterior communicating arteries
What vessel connects the anterior cerebral arteries
Anterior communicating arteries
What vessel does the right and left vertebral arteries join to form
Basilar arteries
What vessel does the right and left vertebral arteries join to form
Basilar arteries
What vessels do the posterior communicating arteries connect
Internal carotid arteries and posterior cerebral
What vessels do the posterior communicating arteries connect
Internal carotid arteries and posterior cerebral
What vessels does the basilar arteries give rise to
Posterior cerebral arteries
Where does the femoral artery lie
Midinguinal point
Where is the midinguinal point
Midway between symphysis pubis and ASIS
Where is the optic chiasm in relation to the pituitary gland
Superior
Where is the pituitary gland found
Hypophyseal fossa in the sphenoid bone
Which muscles in the lower limb is mainly responsible for ankle dorsiflexion
Tibialis anterior