• General Concepts
  • Lumen
    • Lumen 1
    • Lumen 2
  • Membranes
    • Membranes 1
    • Membranes 2
    • Membranes 6
    • Membranes 4
    • Membranes 3
    • Membranes 5
  • Cortex and Medulla
    • Cortex and medulla 2
    • Cortex and medulla 1
    • Cortex and medulla 3
  • Stroma and Parenchyma
    • Stroma and parenchyma 5
    • Stroma and parenchyma 1
    • Stroma and parenchyma 3
    • Stroma and parenchyma 4
    • Stroma and parenchyma 2
  • Tissues and organs 4
• Cardiovascular
  • Vessels
    • Overview of blood vessels
      • Overview (cardio vessels) 1
      • Overview (cardio vessels) 2
      • Overview (cardio vessels) 3
    • Arteries
      • Arteries 1
      • Arteries 2
      • Arteries 3
      • Arteries 4
      • Arteries 5
      • Arteries 6
      • Arteries 7
      • Arteries 8
      • Arteries 9
      • Arteries 10
      • Arteries 11
      • Arteries 12
      • Arteries 13
      • Arteries 14
      • Arteries 15
      • Arteries 16
      • Arteries 17
      • Arteries 18
      • Arteries 19
      • Arteries 20
      • Arteries 21
      • Arteries 22
      • Arteries 23
    • Capillaries and Sinusoids
      • Capillaries and Sinusoids 1
      • Capillaries and Sinusoids 2
      • Capillaries and Sinusoids 3
      • Capillaries and Sinusoids 4
      • Capillaries and Sinusoids 5
      • Capillaries and Sinusoids 6
      • Capillaries and Sinusoids 7
      • Capillaries and Sinusoids 8
      • Capillaries and Sinusoids 9
      • Capillaries and Sinusoids 10
      • Capillaries and Sinusoids 11
      • Capillaries and Sinusoids 12
      • Capillaries and Sinusoids 13
      • Capillaries and Sinusoids 14
      • Capillaries and Sinusoids 15
      • Capillaries and Sinusoids 16
    • Veins
      • Veins 1
      • Veins 2
      • Veins 3
      • Veins 4
      • Veins 5
      • Veins 6
      • Veins 7
      • Veins 8
      • Veins 9
      • Veins 10
      • Veins 11
      • Veins 12
      • Veins 13
      • Veins 14
      • Veins 15
      • Veins 16
  • Heart
    • Heart 1
    • Heart 2
    • Heart 3
    • Heart 4
    • Heart 5
    • Heart 6
    • Heart 7
    • Heart 8
    • Heart 9
    • Heart 9A
    • Heart 10
    • Heart 11
    • Heart 12
    • Heart 13
    • Heart 14
  • Overview
  • Overview of the cardiovascular system 1
• Skin
  • Overview of the skin
    • Skin overview 1
    • Skin overview 2
    • Skin overview 3
    • Skin overview 4
    • Skin overview 5
  • Epidermis
    • Epidermis 1
    • Epidermis 2
    • Epidermis 3
    • Epidermis 4
    • Epidermis 5
    • Epidermis 5A
    • Epidermis 6
    • Epidermis 7
    • Epidermis 7A
    • Epidermis 8
    • Epidermis 9
    • Epidermis 10
    • Epidermis 11
    • Epidermis 12
    • Epidermis 13
    • Epidermis 14
    • Epidermis 15
    • Epidermis 16
    • Epidermis 17
    • Epidermis 19
    • Epidermis 20
  • Dermis
    • Dermis 1
    • Dermis 2
    • Dermis 3
    • Dermis 4
    • Dermis 5
    • Dermis 6
    • Dermis 7
    • Dermis 8
    • Dermis 9
    • Dermis 10
  • Receptors
    • Receptors 1
    • Receptors 2
    • Receptors 3
    • Receptors 4
  • Associated Structures
    • Associated Structures 1
    • Associated Structures 2
    • Associated Structures 3
    • Associated Structures 4
    • Associated Structures 5
    • Associated Structures 6
    • Associated Structures 7
    • Associated Structures 8
    • Associated Structures 9
• Digestive
  • Oral Cavity
    • Lip
      • Lip 1
      • Lip 1A
      • Lip 2
      • Lip 3
      • Lip 4
    • Oral Mucosa
      • Oral mucosa 1
      • Oral mucosa 2
      • Oral mucosa 3
      • Oral mucosa 4
      • Oral mucosa 5
      • Oral mucosa 6
    • Tongue
      • Tongue 1
      • Tongue 2
      • Tongue 3
      • Tongue 4
      • Tongue 5
      • Tongue 6
      • Tongue 7
      • Tongue 8
      • Tongue 9
    • Tooth
      • Tooth 1
      • Tooth 2
      • Tooth 3
      • Tooth 4
      • Tooth 5
      • Tooth 6
      • Tooth 7
      • Tooth 8
      • Tooth 9 test
    • Major Salivary Glands
      • Major salivary glands 1
      • Major salivary glands 2
      • Major salivary glands 3
      • Major salivary glands 4
      • Major salivary glands 5
      • Major salivary glands 6
      • Major salivary glands 7
      • Major salivary glands 8
      • Major salivary glands 9
      • Major salivary glands 10
      • Major salivary glands 11
      • Major salivary glands 12
      • Major salivary glands 13
      • Major salivary glands 14
      • Major salivary glands 15
      • Major salivary glands 16
      • Major salivary glands 17
      • Major salivary glands 18
      • Major salivary glands 19
      • Major salivary glands
  • Tubular Digestive System
    • Overview of the tubular digestive system
      • Overview 1
      • Overview 2
      • Overview 3
    • Esophagus
      • Esophagus 1
      • Esophagus 2
      • Esophagus 3
      • Esophagus 4
      • Esophagus 5
      • Esophagus 6
      • Esophagus 7
      • Esophagus 8
      • Esophagus 9
      • Esophagus 10
    • Stomach
      • Overview of the stomach
        • Overview 1
        • Overview 2
        • Overview 3
        • Overview 4
        • Overview 5
        • Overview 6
        • Overview 7
      • Regions
        • Regions 1
        • Regions 2
        • Regions 3
        • Regions 4
        • Regions 5
        • Regions 6
        • Regions 7
        • Regions 8
        • Regions 9
        • Regions 10
        • Regions 11
        • Regions 12
        • Regions 13
    • Small Intestine
      • Small intestine 1
      • Small intestine 2
      • Small intestine 3
      • Small intestine 4
      • Small intestine 5
      • Small intestine 6
      • Small intestine 7
      • Small intestine 8
      • Small intestine 9
      • Small intestine 10
      • Small intestine 11
      • Small intestine 13
      • Small intestine 14
      • Small intestine 15
      • Small intestine 16
      • Small intestine 16
      • Small intestine 17
      • Small intestine 18
      • Small intestine 19
    • Large Intestine and Anus
      • Large intestine 1
      • Large intestine 2
      • Large intestine 3
      • Large intestine 4
      • Large intestine 5
      • Large intestine 6
      • Large intestine 7
      • Large intestine 8
      • Large intestine 9
      • Large intestine 10
      • Large intestine 11
      • Large intestine 12
      • Large intestine 13
      • Large intestine 14
      • Large intestine 16
      • Large intestine 15
  • Major Glands
    • Pancreas
      • Pancreas 1
      • Pancreas 2
      • Pancreas 3
      • Pancreas 4
      • Pancreas 5
      • Pancreas 6
      • Pancreas 7
      • Pancreas 8
      • Pancreas 9
      • Pancreas 10
      • Pancreas 11
      • Pancreas 12
      • Pancreas 13
      • Pancreas 14
      • Pancreas 15
    • Liver
      • Liver 1
      • Liver 2
      • Liver 3
      • Liver 4
      • Liver 5
      • Liver 6
      • Liver 7
      • Liver 8
      • Liver 9
      • Liver 10
      • Liver 11
      • Liver 12
    • Gall Bladder
      • Gall bladder 1
      • Gall bladder 2
      • Gall bladder 3
      • Gall bladder 4
      • Gall bladder 5
      • Gall bladder 6
• Respiratory
  • Overview of the respiratory system
    • Overview 1
    • Overview 2
    • Overview 3
    • Overview 4
    • Overview 5
    • Overview 6
    • Overview 7
  • Extrapulmonary Passages
    • Overview of extrapulmonary passageways
      • Overview 1
    • Nasal Cavity
      • Nasal cavity 1
      • Nasal cavity 2
      • Nasal cavity 3
      • Nasal cavity 4
      • Nasal cavity 5
      • Nasal cavity 6
    • Larynx
      • Larynx 1
      • Larynx 2
    • Trachea and Primary Bronchus
      • Trachea 1
      • Trachea 2
      • Trachea 3
      • Trachea 4
      • Trachea 5
      • Trachea 6
      • Trachea 7
      • Trachea 8
      • Trachea 9
  • Intrapulmonary Passageways
    • Overview of intrapulmonary passageways
      • Overview 1
    • Conducting
      • Secondary Bronchus
        • Secondary bronchus 1
        • Secondary bronchus 2
        • Secondary bronchus 3
        • Secondary bronchus 4
        • Secondary bronchus 6
        • Secondary bronchus 7
      • Bronchiole
        • Bronchiole 1
        • Bronchiole 2
        • Bronchiole 3
        • Bronchiole 4
        • Bronchiole 5
        • Bronchiole 6
        • Bronchiole 7
        • Bronchiole 8
        • Bronchiole 9
        • Bronchiole 10
    • Respiratory
      • Overview of respiratory intrapulmonary passageways
      • Respiratory Bronchiole
        • Respiratory Bronchiole 1
        • Respiratory bronchiole 2
        • Respiratory bronchiole 3
        • Respiratory bronchiole 4
        • Respiratory bronchiole 5
        • Respiratory bronchiole 6
        • Respiratory bronchiole 7
      • Alveolar Duct
        • Alveolar duct 1
        • Alveolar duct 2
        • Alveolar duct 3
        • Alveolar duct 4
        • Alveolar duct 5
        • Alveolar duct 6
      • Alveoli
        • Alveoli 1
        • Alveoli 2
        • Alveoli 3
        • Alveoli 4
        • Alveoli 7
        • Alveoli 5
        • Alveoli 6
        • Alveoli 8
  • Blood Supply
    • Overview of blood supply
      • Overview (blood supply) 1
    • Bronchial Blood Vessels
      • Bronchial blood vessels 1
      • Bronchial blood vessels 2
      • Bronchial blood vessels 3
    • Pulmonary Artery
      • Pulmonary artery 1
      • Pulmonary artery 2
      • Pulmonary artery 3
      • Pulmonary artery 4
    • Pulmonary Capillaries
      • Pulmonary capillaries 1
      • Pulmonary capillaries 2
    • Pulmonary Vein
      • Pulmonary vein 1
      • Pulmonary vein 2
      • Pulmonary vein 3
  • Pleura
    • Pleura 1
    • Pleura 2
• Lymphoid
  • Overview of lymphoid tissues and organs
    • Overview 1A
    • Lymphoid 2A
    • Overview 3A
    • Lymphoid 4A
    • Overview 5A
    • Overview 6A
    • Overview 7A
    • Lymphoid 8A
    • Lymphoid 9A
    • Overview 10A
    • Overview 11A
    • Lymphoid 12A
    • Lymphoid 13A
  • Tissues
    • Tissues 1
    • Tissues 2
    • Tissues 3
    • Tissues 4
    • Tissues 5
    • Tissues 6
    • Tissues 7
    • Tissues 8
    • Tissues 9
    • Tissues 10
    • Tissues 11
    • Tissues 12
    • Tissues 13
    • Tissues 14
    • Tissues 15
    • Tissues 16
    • Tissues 17
    • Tissues 18
    • Tissues 19
    • Tissues 20
  • Organs
    • Lymph Node
      • Lymph node 1
      • Lymph node 2
      • Lymph node 3
      • Lymph node 4
      • Lymph node 5
      • Lymph node 6
      • Lymph node 7
      • Lymph node 8
      • Lymph node 9
      • Lymph node 10
    • Spleen
      • Spleen 1
      • Spleen 2
      • Spleen 3
      • Spleen 4
      • Spleen 5
      • Spleen 6
      • Spleen 7
      • Spleen 8
      • Spleen 9
      • Spleen 10
      • Spleen 11
    • Thymus
      • Thymus 1
      • Thymus 2
      • Thymus 3
      • Thymus 4
      • Thymus 5
      • Thymus 6
      • Thymus 7
• Urinary
  • Overview of the urinary system
    • Overview 1
    • Overview 2
    • Overview 3
    • Overview 4
    • Overview 5
    • Overview 6
  • Renal Corpuscle
    • Renal corpuscle 1
    • Renal corpuscle 2
    • Renal corpuscle 3
    • Renal corpuscle 4
    • Renal corpuscle 5
    • Renal corpuscle 6
    • Renal corpuscle 7
    • Renal corpuscle 8
    • Renal corpuscle 9
  • Tubules and Collecting System
    • Tubules and collecting system 1
    • Tubules and collecting system 2
    • Tubules and collecting system 3
    • Tubules and collecting system 4
    • Tubules and collecting system 5
    • Tubules and collecting system 6
    • Tubules and collecting system 7
    • Tubules and collecting system 8
    • Tubules and collecting system 9
    • Tubules and collecting system 10
    • Tubules and collecting system 11
    • Tubules and collecting system 12
    • Tubules and collecting system 13
    • Tubules and collecting system 14
    • Tubules and collecting system 15
    • Tubules and collecting system 16
    • Tubules and collecting system 17
    • Tubules and collecting system 18
    • Tubules and collecting system 19
    • Tubules and collecting system 20
    • Tubules and collecting system 21
  • Excretory passageways
    • Excretory passageways 1
    • Excretory passageways 2
    • Excretory passageways 3
    • Excretory passageways 4
    • Excretory passageways 5
    • Excretory passageways 6
    • Excretory passageways 7
    • Excretory passageways 8
    • Excretory passageways 9
    • Excretory passageways 10
• Endocrine
  • Overview of endocrine organs
    • Overview (endocrine) 1
    • Overview (endocrine) 2
    • Overview (endocrine) 3
    • Overview (endocrine) 4
    • Overview (endocrine) 5
  • Cells and Clusters
    • Cells and Clusters 1
    • Cells and Clusters 2
    • Cells and Clusters 3
    • Cells and Clusters 4
    • Cells and Clusters 5
    • Cells and Clusters 6
    • Cells and Clusters 7
  • Organs
    • Pituitary
      • Pituitary 1
      • Pituitary 2A
      • Pituitary 3A
      • Pituitary 4
      • Pituitary 5
      • Pituitary 6
      • Pituitary 7
      • Pituitary 8
      • Pituitary 9
      • Pituitary 10
      • Pituitary 11
      • Pituitary 12
      • Pituitary 13
      • Pituitary 14
      • Pituitary 15
    • Thyroid
      • Thyroid 1
      • Thyroid 2
      • Thyroid 3
      • Thyroid 4
      • Thyroid 5
    • Parathyroid
      • Parathyroid 1
      • Parathyroid 2
      • Parathyroid 3
      • Parathyroid 4
      • Parathyroid 5
    • Adrenal
      • Adrenal 1
      • Adrenal 2
      • Adrenal 3
      • Adrenal 4
      • Adrenal 5
      • Adrenal 6
      • Adrenal 7
    • Pineal
      • Pineal 1
      • Pineal 2
      • Pineal 3
• Reproductive
  • Male
    • Overview of the male reproductive system
      • Male overview 1
      • Male overview 2
    • Testis
      • Overview of the testis
        • Testis overview 1
        • Testis overview 2
        • Testis overview 3
        • Testis overview 4
        • Testis overview 5
      • Testis Proper
        • Testis Proper 1
        • Testis Proper 2
        • Testis proper 3
        • Testis proper 4
        • Testis Proper 5
        • Testis proper 6
        • Testis Proper 7
        • Testis Proper 8
        • Testis Proper 9
        • Testis Proper 10
        • Testis Proper 11
        • Testis Proper 12
        • Testis Proper 13
        • Testis Proper 14
      • Intratesticular Ducts
        • Intratesticular ducts 1
        • Intratesticular ducts 2
        • Intratesticular ducts 3
        • Intratesticular ducts 4
        • Intratesticular ducts 5
    • Epididymis
      • Head
        • Epididymis head 1
        • Epididymis head 2
        • Epididymis head 3
        • Epididymis head 5
        • Epididymis head 4
        • Epididymis head 6
      • Body and Tail
        • Epididymis body tail 1
        • Epididymis body tail 2
        • Epididymis body tail 6
        • Epididymis body tail 5
    • Spermatic Cord
      • Spermatic cord 1
      • Spermatic cord 5
      • Spermatic cord 2
      • Spermatic cord 3
      • Spermatic cord 4
    • Penis
      • Penis 1
      • Penis 2
      • Penis 3
      • Penis 4
      • Penis 5
    • Genital Glands
      • Seminal Vesicle
        • Seminal vesicle 1
        • Seminal vesicle 2
        • Seminal vesicle 3
        • Seminal vesicle 4
        • Seminal vesicle 5
        • Seminal vesicle 6
      • Prostate
        • Prostate 1
        • Prostate 2
        • Prostate 3
        • Prostate 4
        • Prostate 5
        • Prostate 6
  • Female
    • Overview of the female reproductive system
      • Female Overview 1
      • Female Overview 2
      • Female Overview 3
      • Female overview 5
    • Ovary
      • Ovary 1
      • Ovary 2
      • Ovary 3
      • Ovary 4
      • Ovary 5
      • Ovary 6
      • Ovary 7
      • Ovary 8
      • Ovary 9
      • Ovary 10
      • Ovary 11
      • Ovary 12
      • Ovary 13
      • Ovary 14
      • Ovary 15
      • Ovary 16
      • Ovary 17
    • Oviduct
      • Oviduct 1
      • Oviduct 2
      • Oviduct 3
      • Oviduct 4
      • Oviduct 5
      • Oviduct 6
      • Oviduct 7
      • Oviduct 8
    • Uterus
      • Uterus 1
      • Uterus 2
      • Uterus 3
      • Uterus 4
      • Uterus 5
      • Uterus 6
      • Uterus 7
      • Uterus 8
      • Uterus 9
      • Uterus 10
      • Uterus 11
      • Uterus 12
      • Uterus 13
      • Uterus 14
      • Uterus 15
      • Uterus 16
      • Uterus 17
      • Uterus 18
      • Uterus 19
      • Uterus 20
      • Uterus 21
      • Uterus 22
      • Uterus 23
    • Placenta
      • Placenta 1
      • Placenta 2
      • Placenta 3
      • Placenta 4
      • Placenta 5
      • Placenta 6
      • Placenta 7
      • Placenta 8
      • Placenta 9
    • Vagina
      • Vagina 1
      • Vagina 2
      • Vagina 3
    • Breast
      • Breast 1
      • Breast 2
      • Breast 3
      • Breast 4
      • Breast 5
      • Breast 6
      • Breast 7
      • Breast 8
      • Breast 9
• Eye
  • Eyelid
    • Eyelid 1
    • Eyelid 2
    • Eyelid 3
    • Eyelid 4
  • Globe
    • Globe 1
    • Globe 2
    • Globe 3
    • Globe 4
    • Globe 5
    • Globe 6
    • Globe 7
    • Globe 8
    • Globe 9
    • Globe 10
    • Globe 11
    • Globe 12
    • Globe 13
    • Globe 14
    • Globe 15
    • Globe 16
    • Globe 17
  • Retina
    • Retina 1
    • Retina 2
    • Retina 3
    • Retina 4
    • Retina 5
    • Retina 6
    • Retina 7
    • Retina 8
    • Retina 9
    • Retina 10
    • Retina 11
    • Retina 12
• Ear
  • Overview of the ear
    • Ear Overview 1
    • Ear Overview 2
    • Ear Overview 3
  • External Ear
    • external ear 1
    • External ear 5
    • External ear 3
    • External ear 4
  • Middle Ear
    • Middle ear 1
    • Middle ear 2
    • Middle ear 4
    • Middle ear 3
  • Inner Ear
    • Overview of the inner ear
      • Inner ear overview 1
      • Inner ear overview 2
      • Inner ear overview 3
      • Inner ear overview 4
    • Vestibule
      • Vestibule 1
      • Vestibule 2
      • Vestibule 3
      • Vestibule 4
      • Vestibule 5
    • Semicircular Canals
      • Semicircular canals 1
      • Semicircular canals 2
      • Semicircular canals 3
      • Semicircular canals 4
      • Semicircular canals 5
    • Cochlea
      • Cochlea 1
      • Cochlea 2
      • Cochlea 3
      • Cochlea 4
      • Cochlea 5
      • Cochlea 7
      • Cochlea 8
      • Cochlea 9
      • Cochlea 10