Organ Systems

Topics
Respiratory system

This chapter gives detailed information about the upper and lower respiratory system organs, their interrelations and functions, the arterial and venous blood supply, and innervation. The chapter also includes an anatomical overview of the diaphragm.

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  • Overview
  • Nasal cavity
  • Pharynx
  • Larynx
  • Trachea
  • Bronchi
  • Pulmonary acinus and alveolar sacs
  • Lungs
  • Lung lobes
  • Lung fissures
  • Hilum of lungs
  • Pleura
  • Diaphragm
  • Lung blood supply and bronchial circulation
  • Pulmonary circulation
  • Innervation of the lungs
Gastrointestinal tract

In this section, learn about the gastrointestinal or digestive tract, and the anatomy of the organs forming it. Also, find out about the nerves and blood vessels supplying the digestive tract. The section also gives an insight into the anatomy of the omentum.

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  • Overview
  • Oral cavity
  • Salivary glands
  • Pharynx
  • Esophagus
  • Stomach
  • Pylorus and layers of the stomach
  • Relations of the stomach
  • Blood supply of the stomach
  • Innervation of the stomach
  • Duodenum
  • Blood supply of the duodenum
  • Innervation of the duodenum
  • Intestines
  • Small intestine
  • Blood supply of the small intestines
  • Large intestine
  • Features of the colon
  • Colon
  • Cecum and appendix
  • Rectum and anal canal
  • Blood supply of the large intestine
  • Venous drainage of the large intestine
  • Innervation of the intestines
  • Omentum
Female reproductive system

This section provides an overview of the internal and external female genital organs and their arterial blood supply.

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  • Female external genital organs
  • Labia majora
  • Labia minora and vestibule of vagina
  • Mons pubis
  • Clitoris
  • Vestibular bulbs, greater and lesser vestibular glands
  • Internal female genital organs
  • Ovaries
  • Fallopian tubes
  • Uterus
  • Ligaments of the uterus
  • Broad ligament of uterus
  • Vagina
Male reproductive system

In this study unit, find out about the internal and external male genital organs, their interrelations, as well as blood supply and innervation.

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  • Overview
  • Testicles
  • Epididymis
  • Ductus deferens
  • Seminal vesicles
  • Prostate
  • Bulbourethral glands
  • Penis and scrotum
  • Blood supply of male external genital organs
  • Blood supply of male internal genital organs
  • Innervation of male genital organs
Urinary system

In this study unit, learn about the organs of the female and male urinary systems, their arterial and venous blood supply, as well as innervation of these organs.

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  • Urinary system
  • Gross anatomy of the kidneys
  • Internal structure of the kindey
  • Relations of the kidneys
  • Blood supply of the kidneys
  • Innervation of the kidneys
  • Ureters
  • Internal structure of the bladder
  • Female bladder
  • Male bladder
  • Female urethra
  • Male urethra
  • Blood supply of the ureters
  • Blood supply of female bladder
  • Blood supply of male bladder
Obstetric anatomy

This article is dedicated to topics relevant to obstetric anatomy, including overview of normal anatomy and changes in the female body during pregnancy, as well as topics related to delivery, such as stations at birth. Find out about bones of the pelvis and its related diameters, pelvic ligaments, pelvic tilt and how it changes during pregnancy. Learn about the pelvic floor and perineum, pelvic organs, including changes in the uterus, and about the core system and its muscles. This section also includes information about such topics as diastasis recti, lumbar lordosis, sacroiliac joint (SIJ) nutation and counternutation, and other important themes related to obstetrics.

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  • Pelvis
  • Bony pelvis
  • Hip bone
  • Features of the hip bone
  • Acetabulum
  • Ilium
  • Ischium
  • Pubic bone
  • Pelvic inlet
  • False pelvis
  • True pelvis
  • Pelvic inlet, mid pelvis, and pelvic outlet
  • Pelvic inlet diameters
  • Pelvic outlet diameters
  • Sacrospinous ligament
  • Iliolumbar ligament
  • Sacrotuberous ligament
  • Pelvic tilt
  • Lumbar lordosis
  • SIJ nutation and counternutation
  • Stations at birth (fetal stations)
  • Pelvic floor
  • Pelvic floor components
  • Levator ani muscles
  • Puborectalis (of the levator ani)
  • Pubococcygeus (of the levator ani)
  • Iliococcygeus (of the levator ani)
  • Obturator fascia
  • Coccygeus muscle
  • Muscles of the perineal body
  • Anal sphincters
  • Superficial transverse perineal muscle
  • Deep transverse perineal muscle
  • Bulbospongiosus muscle
  • Ischiocavernosus muscle
  • Urogenital triangle and anal triangle
  • Perineal membrane
  • Pelvic floor - superior view
  • Pelvic floor - inferior view
  • Pelvic floor organs
  • Uterus
  • Ligaments of the uterus
  • Uterus size changes during pregnancy
  • Rectus abdominis muscle
  • External abdominal oblique muscle
  • Internal abdominal oblique muscle
  • Transversus abdominis muscle
  • Diastasis recti
  • Respiratory diaphragm
  • Inferior vena cava
  • Core system
  • Rib cage changes during pregnancy
  • Tensor fasciae latae muscle (TFL)
  • Psoas major muscle
  • Psoas minor muscle
  • Iliacus muscle
  • Gluteus maximus and gluteus medius muscles
  • Gluteus minimus muscle
  • Obturator externus muscle
  • Obturator internus muscle
  • Quadratus femoris muscle
  • Superior and inferior gemellus muscles
  • Quadratus lumborum muscle
  • Piriformis muscle
  • Pectineus muscle
  • Inner thigh muscles (adductor longus, brevis and magnus)
  • Sartorius muscle
  • Rectus femoris muscle
  • Hamstring muscles
  • Multifidus muscles
  • Longissimus muscles
  • Iliocostalis muscles