Linear and Anatomical Guides for Biology

Linear guide

An imaginry line drawn on the sirfave of the skin to represent the approximate location of some deeper lying structure

Anatomical guide

Method of locating a structure by reference to an adjacent known or prominent structure

Anatomical limits

Point of origin and point of termination in relation to adjacent structures

Common carotid LG

A line drawn from sternoclavicular articulation to anterior surface of the lobe of the ear

Common carotid AG

Along medial border of the sternocleidomastoid muscle

Right common carotid AL

Begins at the level of sternoclavicular articulation and extends to level of superior border of thyroid cartilage

Left common carotid AL

Begins at the level of the 2nd costal cartilage and extends to level of upper border of thyroid cartilage

Common carotid AV

Internal jugular

Subclavian LG

a line drawn from the sternoclavicular junction to the lateral border of the first rib

Subclavian AG

The clavicle

Right subclavian AL

begins at the sternoclavicular articulation and extends to the border of the first rib

Left Subclavian AL

Begins at the level of 2nd costal cartilage and extends outer border of the first rib

Axillary LG

throught the center of the base of the axillary space and parallel to the long axis of the upper extremity when abducted

Axillary AG

Just behind the medial border of the coracobrachialis muscle

Axillary AL

Begins at the lateral border of the first rib and extends to the inferior border of the tendon of the teres major muscle

Axillary AV

Axillary

Brachial LG

From the center of the base of the axillary space to center of the forearm just below bend of elbow

Brachial AL

Begins at the inferior border of tendon of teres major muscle and extends to a point inferior ro the antecubital fossa

Brachial AG

Lies posterior to the medial border of the belly of th ebiceps brachii muscle

Brachial AV

Basilic

Radial LG

On the surface of the forearm from center of the antecubital fosssa to center of base of the index finger

Radial AG

Just lateral to the tendon of flexor carpi radialis muscle

Radial AL

From the antecubital fossa to the palm of thr hand

Ulnar LG

On the surface of the forearm from center of antecubital fossa to a point in the 4th and 5th fingers

Ulnar AG

Lies lateral to the tendon of the flexor carpiu ulnaris muscle

Ulnar AL

Edtends from the antecubital fossa to the palm of the hand

Ulnar AV

Aorta AV

SVC, IVC

Common iliac AV

common iliac

Common iliac AG

Medial border of the psoas major muscle

External iliac AV

External iliac

Femoral triangle

Inguinal ligament, medial border of the satorius muscle, lateral border of the adductor longus muscle

Femoral LG

On surface of the thigh from center of inguinal ligament to center point on medial condyle of femur

Femoral AG

Through the center of femoral triangle

Femoral AL

Begins at a point behind the center of the inguinal ligament, terminates at the opening of the adductor magnus muscle

Femoral AV

Femoral

Popliteal LG

Through the center of the popliteal space parallel to the long axis of lower extremity

Popliteal AL

Begins at opening of the adductor magnus muscle terminates at the lower border of popliteus muscle

Popliteal AG

located between popliteal surface of the femur and oblique popliteal ligament

Anterior tibial LG

from the lateral border of the patella to the anterior surface of the ankle joint

Anterior tibial AG

The anterior and outer edge of the tibia

Posterior tibial LG

A line drawn from center of the popliteal space to a point midway between the medial malleolus and the calcaneus bone

Dorsalis Pedis LG

from the centr of the anterior surface of the ankle joint to a point between the frist big toe and adjacent second toe

Not studied (43)

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