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Over 5,000 topics and terms explained in detail from various courses. Get started with learning these topics!

June 7, 2017

Thoracic Sympathetic Trunk – Course, Relations, Ganglia and Its Branches

Thoracic Sympathetic Trunk is a ganglionated chain, situated on each side of the vertebral column. In the thoracic inlet, it’s superiorly continuous with the cervical sympathetic chain and with the lumbar sympathetic chain inferiorly after passing behind the medial arcuate ligament of […]
Anatomy
June 7, 2017

Azygos and Hemiazygos Veins

Azygos is a term which means single that means without a companion. Azygos, hemiazygos, and accessory hemiazygos veins together compose the azygos system. The front of thoracic part of vertebral column is where these veins are located and play a […]
Anatomy
June 7, 2017

Thoracic Duct- Formation, Course, Connection, Tributaries and Development

The Thoracic Duct is the largest lymphatic vessel(trunk) or great lymph channel, which drains lymph into the bloodstream from the majority of the body. Appearance of the lymph in thoracic duct is milky white since it includes a product of […]
Anatomy
June 7, 2017

Esophagus – Course, Constrictions, Parts, Arterial and Nerve Supply, Venous and Lymphatic Drainage

Esophagus is a narrow muscular tube extending from pharynx to the stomach. It gives passage for chewed food (bolus) and liquids during the third stage of deglutition and is about 25 cm long. Its engagement in different diseases like esophagitis, […]
Anatomy
June 7, 2017

Trachea – Location, Course, Relations, Microscopic Structure, Vascular and Nerve Supply and Lymphatic Drainage

The Trachea is also called windpipe and it is a fibrocartilaginious tube that creates the beginning of the lower respiratory tract. 16-20 C-shaped rings of Hyaline cartilage keep its lumen distinct. A band of smooth muscle (Trachealis) and a fibroelastic […]
Anatomy
June 7, 2017

Thymus

The Thymus is a bi-lobed lymphoid organ situated in the superior mediastinum and frequently extends above in the root of neck and below in the upper part of anterior mediastinum. The upper extent of the thymus can reach into the […]
Anatomy
PHYSIOLOGY
February 23, 2017

Acid Base Disorders – Acid Base Tutorial

Acid-base disturbances are first characterized by the initial change in pH. There are four major classes of acid-base disturbances: respiratory acidosis, respiratory alkalosis, metabolic acidosis, and metabolic alkalosis. The acid-base disturbances are further categorized as compensated or uncompensated. Compensation attenuates […]
Physiology
February 23, 2017

Various Methods of Birth Control Work

Birth control methods may be categorized into several groups based on their mode of action: hormonal, chemical and behavioral contraceptive methods, anti-implantation devices, sterilization, and induced abortion. Contraception Contraception is the prevention of conception, which is the union of sperm […]
Physiology
February 23, 2017

The Inheritance of the More Common Inherited Disorders

Inherited, or genetic, diseases are caused by either chromosome abnormalities or specific alleles. The development of advanced techniques and new knowledge makes an understanding of genetic disease increasingly important. Chromosome Abnormalities Some genetic diseases are related to the presence of […]
Physiology
February 23, 2017

Roles of DNA, Genes, And Chromosomes in Inheritance

Genetics is the study of heredity, the passing of inherited traits from one generation to the next. The determiners of hereditary traits are located on chromosomes, consisting of DNA and proteins. It is the DNA that controls inheritance and directs […]
Physiology
February 23, 2017

Disorders of Pregnancy, Prenatal Development, And Postnatal Development

Pregnancy Disorders Eclampsia (e-klamp’-se-ah), or toxemia of pregnancy, is a disorder that occurs in two forms. Preeclampsia of late pregnancy is characterized by increased blood pressure, edema, and proteinuria (protein in the urine). The cause is unknown. If unsuccessfully treated, […]
Physiology
February 23, 2017

Lactation – The Control of Lactation and Milk Ejection

High blood levels of estrogens and progesterone during pregnancy stimulate the development of the mammary glands and enlargement of the breasts in preparation for milk secretion, or lactation (lak-ta’-shun). Although the mammary glands are capable of secreting milk, the high […]
Physiology
HEALTH
August 27, 2016

Ingrown Toenail – Causes, Symptoms , Measures and Treatment

Most common in guys, an ingrowing toenail is painful increase of the interior edges of a toenail into the surrounding skin. Tight or badly fitting shoes raise the risk. What Causes It? An ingrowing toenail curves under on one or […]
Health and Medicine
August 27, 2016

Excessive Hair – Causes, Measures and Treatment

Hair growing occurring in places that would not usually have hair, or excessive hair development, is more common in women and happens just after puberty it’s more common with increasing age and occasionally runs in families. There are two kinds […]
Health and Medicine
August 27, 2016

Alopecia – Causes, Measures and Treatments

Hair loss, or alopecia, can appear in any body region but is especially noticeable when it changes the scalp, causing baldness. Alopecia may be localized (in which hair is lost in spots) or generalized (in which there is thinning or […]
Health and Medicine
August 27, 2016

Sunlight Protection – Skin Harm, SPF, Sun lotion and Sunblock

More than 40,000 people in the UK are diagnosed with skin cancer every year, and around 2,000 people die of it. It’s the second most common cancer in the state. Unlike many cancers, skin cancer is a disease that’s largely […]
Health and Medicine
August 27, 2016

Taking Care of Your Own Hair

As hair is such a notable part of a man’s look, many individuals, especially girls, spend lots of time and money looking after it. This isn’t needed and an easy regime of gradually washing and conditioning your hair every other […]
Health and Medicine
August 27, 2016

Malignant Melanoma – Causes, Risks, Symptoms, Treatment and Prognosis

Of all the kinds of skin cancer, malignant melanoma is the most serious. Malignant melanoma has become more common with our obsession with getting and keeping a suntan. A melanoma may start as a fresh development on normal skin or […]
Health and Medicine