Neurons are specialized cells which are capable of transmitting signal between different parts of the body. Nerve is a bundle of fibers composed of neurons. Therefore, neurons and nerves are closely related.

Meiosis is a type of cell division which reduces the chromosome number. The processes are quiet the same in plants and animals. However, in animals, it results into the formation of gametes which is a reproductive or sex cell. On the other hand, in plants it forms spores which further grow into gametophyte. Thus, in plants the gametes are formed by mitosis not meiosis, which fuse to form a zygote and then a sporophyte.

An Urologist is a physician who has specialized training and knowledge related to problems and diseases of male and female urinary tract and also male reproductive organs. On the other hand, an oncologist is a physician who diagnoses and treats cancers.

A Gynecologist is a doctor who looks after the women’s reproductive health. On the other hand, an Obstetrician is a doctor who provides care for women especially during pregnancy and after the birth of the child.

Both stems and roots of a plant are modified into different forms to perform specific functions other than their normal functions. Generally, the roots and the stem of the plant change their structures in order to adapt in the environment. Now, based on the diverse parts of the plant that grow above or below the ground, the stems and roots can be differentiated.

A pediatrician refers to a physician who provides medical care to the children and infants. On the other hand, a child specialist refers to a mental health practitioner who provides a mental therapy to children whose parents are involved in separation and divorce procedures. Sometimes, child specialist is also used to refer to a pediatrician. In U.K., pediatrician term is used to refer to child life specialists who work on cognitive, emotional and physical development related issues of children.

An Otolaryngologist is a medical expert in the diagnosis and treatment of diseases related to the ear, nose and threat. Ear, nose and throat are collectively known as ENT. Therefore ENTs or ENT specialists also refer to Otolaryngologists. Therefore, they both are same.

Dermatologists are physicians or doctors who identify, diagnose and treat diseases or disorders related to the skin, hair and nails. Skin specialist is just the other term for Dermatologist.

Dermatologist provides the medical treatment related to conditions effecting skin, hair and nails. On the other hand, Cosmetologist is concerned with beauty treatment. A cosmetologist provides care for skin, hair and nails.

An Oncologist is a medical doctor who is specialist in oncology, which means that he treats people suffering from cancer. Hematologist is a physician who specializes in Hematology, which means that he deals with the medical conditions related to the physiology of the blood.

Allergists deal with the diagnosis, treatment and management of conditions which arises due to allergies, asthma or any type of disorder of the immune system. On the other hand, Dermatologist is a doctor who looks after the conditions related to skin, hair and nails.

A neurologist handles the diagnosis, treatment and prevention of disorders related to the nervous system. A psychiatrist deals with the diagnosis, treatment and prevention of mental illness as well as emotional disorders.

A physician is a medical practitioner who practices general medicine and can also be known as a specialist in internal medicine. On the other hand, a surgeon is the specialist who has been trained and certified to carry out surgeries, which involves cutting open the body.