Anatomy: Cardiovascular, Spinal Cord, Ear, Eye

Superior Blood Vessels

Veins (blue) 1 - Int. Jugular 2 - R. Brachiocephalic 3 - L. Brachiocephalic 4 - Superior vena cava 5 - Subclavian 6 - Axillary 7 - Brachial 8 - Cephalic 9 - Basilic 10 - Median cubital 11 - Radial 12 - Ulnar 13 - Inferior vena cava 14 - Hepatic veins 15 - Hepatic portal vein 16 - Gastric 17 - Superior mesenteric 18 - Renal 19 - Common iliac 20 - Internal iliac 21 - External iliac

Arteries (red) 22 - Brachiocephalic 23 - Common carotid 24 - L. Subclavian 25 - Axillary 26 - Brachial 27 - Radial 28 - Ulnar 29 - Aortic arch 30 - Pulmonary trunk (blue) 31 - Pulmonary arteries (blue) & veins (red) 32 - (missing) 33 - Celiac trunk 34 - Hepatic 35 - Splenic 36 - Gastric 37 - Sup. mesenteric 38 - Renal 39 - Gonadal 40 - Abdominal aorta 41 - Inf. mesenteric 42 - Common iliac 43 - Internal iliac 44 - External iliac

Inferior Blood Vessels

1 - Inferior vena cava 2 - Common iliac vein 3 - Internal iliac vein 4 - External iliac vein 5 - Deep femoral vein 6 - Femoral vein 7 - Great saphenous vein 8 - Descending abdominal aorta 9 - Common iliac artery 10 - Internal iliac artery 11 - External iliac artery 12 - Deep femoral artery 13 - Femoral artery 14 - Popliteal artery 15 - Posterior tibial artery 16 - Anterior tibial artery

Torso Blood Vessels

1 - Superior vena cava 2 - Brachiocephalic veins 3 - Internal jugular vein 4 - External jugular vein 5 - Subclavian artery & vein 6 - Pulmonary arteries (blue) & veins (red) 7 - Inferior vena cava 8 - Renal artery & vein 9 - Aorta 10 - Thoracic aorta 11 12 13 14 15 16 17 18 19 20

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Celiac trunk Suprarenal vein & artery Superior mesenteric artery Inferior mesenteric artery Gonadal artery & vein Abdominal aorta Common iliac artery & vein Internal iliac artery & vein External iliac artery & vein Femoral artery & vein

Anterior Heart

1 - Brachiocephalic artery 2 - Left common carotid artery 3 - Left subclavian artery 4 - Aortic arch 5 - Ascending aorta 6 - Descending aorta 7 - Ligamentum arteriosum 8 - Pulmonary trunk 9 - L. Pulmonary artery 10 - R. Pulmonary artery 11 - Superior vena cava 12 - L. Brachiocephalic vein 13 - R. Brachiocephalic vein 14 - R. Auricle 15 - R. Ventricle 16 - L. Auricle 17 - L. Ventricle 18 - Anterior interventricular artery 19 - R. coronary artery 20 - Circumflex artery 21 - L. coronary artery 22 - Apex

Posterior Heart

1 - Descending thoracic aorta 2 - Esophagus 3 - Trachea 4 - R. Pulmonary veins 5 - L. Pulmonary veins 6 - R. Atrium 7 - Inferior vena cava 8 - Coronary sinus 9 - Middle cardiac vein 10 - Posterior interventricular artery 11 - Circumflex artery

Spinal Nerves

1 2 3 4 5 6 7 8 9

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Cervical nerves (C1-C8) Thoracic (intercostal) nerves (T1-T12) Lumbar nerves (L1-L5) Sacral nerves (S1-S5) Coccygeal nerve (C0) Cervical plexus Brachial plexus Lumbar plexus Sacral plexus

Spinal Cord

1 - Periosteum 2 - Epidural space 3 - Dura mater 4 - Subdural space 5 - Arachnoid mater 6 - Subarachnoid space 7 - Pia mater 8 - Posterior white column 9 - Lateral white column 10 - Anterior white column 11 - Dorsal horn (of grey matter) 12 - Lateral horn 13 - Ventral horn 14 - Central canal 15 - Posterior median sulcus 16 - Anterior median fissure 17 - Dorsal root ganglion 18 - Dorsal root of spinal nerve 19 - Ventral root of spinal nerve 20 - Spinal nerve 21 - Dorsal ramus of spinal nerve 22 - Ventral ramus of spinal nerve

Ear

1 - Pinna (auricle) 2 - External auditory canal 3 - Tympanic membrane 4 - Auditory ossicles (malleus, incus, and stapes) 5 - Eustachian (auditory) tube 6 - Semicircular canal 7 - Semicircular duct 8 - Vestibule 9 - Cochlea 10 - Vestibulocochlear nerve (CN VIII) 11 - Tympanic cavity in middle ear

Cochlea (cs)

1 2 3 4 5 6 7 8

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Vestibular duct Tympanic duct Cochlear duct Vestibular membrane Basilar membrane Organ of Corti Tectorial membrane Receptor hair cells

Small Eye

1 2 3 4 5 6 7 8 9

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Cornea Pupil Iris Sclera Superior oblique muscle Superior rectus muscle Lateral rectus muscle Inferior oblique muscle Lacrimal sac

Large Eye

1 2 3 4 5 6 7 8

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Pupil (under cornea) Iris Sclera Lacrimal gland Lacrimal sac Superior rectus muscle Lateral rectus muscle Inferior oblique muscle

Sagittal Eye

1 - Cornea 2 - Anterior chamber (contains aqueous humor) 3 - Pupil 4 - Posterior chamber (contains aqueous humor) 5 - Iris 6 - lens 7 - Ciliary body 8 - Suspensory ligaments 9 - Ciliary processes 10 - Posterior cavity (contains vitreous humor) 11 - Optic disk 12 - Optic nerve 13 - Retina layer 14 - Choroid layer 15 - Sclera 16 - Fovea centralis in macula lutea