When a young person starts to change into a young man or a young woman. Hormones cause these changes. It doesn't happen to everyone at the same time. For a girl this begins to happen between ages 8-14. Her breasts grow larger and she begins menstruating. In a boy PUBERTY starts around 12 years old. His PENIS and TESTICLES grow and develop. His voice also starts to change. Both boys and girls begin to grow pubic hair. They may also grow hair on other parts of their body. These changes are usually finished by age 20. It is also a time where feelings about self, family or other people change. Moods and emotions change, too. It can be a very confusing and frustrating time.

The condition of being or the period of becoming first capable of reproducing sexually marked by maturing of the genital organs, development of secondary sex characteristics, and in the human and in higher primates by the first occurrence of menstruation in the female.

Process by which a person attains sexual maturity and the ability to reproduce. (330)

A stage of development during which there is a growth spurt that lasts about 2 years and is accompanied by sexual development — growth of pubic hair, development of sex organs, and the beginning of menstruation in females. Sometimes called adolescence.

The stage of human development when the body becomes capable of reproduction.

Is the age when mammals become sexually mature. The age

the age of development in which an individual becomes capable of sexual reproduction

the normal process of change from a child into a reproductive adult. For women it involves development of breasts and pubic hair as well as enlargement of the uterus, widening of the hips and an increase in body fat.

A period of rapid growth, sexual maturation, and the appearance of secondary sexual characteristics; normally occurs at ages 10–15 years.

The physical and emotional changes during teenage years that are a natural part of a child's development into an adult. Puberty lasts for several years. Natural chemicals in your body, called hormones, cause these changes.

The time when girls turn into women and boys into men. Various body and emotional changes occur, such as the start of a girl's monthly bleeding.

This is the crazy time in a person's life when a person rapidly changes from a child into an adult. Puberty happens to everyone sooner or later. In girls, puberty can begin as early as eight or nine, while in boys, puberty doesn't usually begin until age eleven or twelve. For a young woman, puberty will mean she will get her menstrual period, grow breasts and her hips will widen. For a young man, puberty will cause this voice to deepen, hair to grow on his face and his penis will grow too. Both girls and boys grow taller, grow hair in their armpits and around their genitals, may develop pimples, and will have new feelings about sex. It usually takes about three or four years for these changes to occur. Because it's a time of great physical change, puberty can be kind of confusing emotionally

time at which first estrus occurs in females, usually at 6 mos of age, but depends on breed, environment and seasom of the year. Puberty is more gradual in boars progressing over 5 to 18 mos of age from onset to full maturity.

Attainment of sexual maturity when conception becomes possible. As commonly used, refers to 3 to 5 years of sexual development that culminates in sexual maturity.

the time of life when your body and your feelings and emotions change as you change from being a girl to being a woman, or from being a boy to being a man. Puberty is caused by hormones and is a natural part of growing up. Everyone goes through it, although some reach puberty at an earlier age than others. After puberty you are physically and sexually mature.

time of life during which the secondary sex characteristics begin to appear and capability for sexual reproduction is developed; usually between the ages of 10 and 17

adolescence, the period in which the human body first becomes capable of reproduction.

Time of first estrus in sows, usually occurring at 6 mo. of age.

(Latin, pubertas = adulthood) process involving maturation of the reproductive system. A complex process, initiated by an unknown mechanism, but involving the brain driving the hormonal axis. (More? Endocrine Notes - Gonad | Puberty Notes)

Stage of physical development when changes of sexual maturation occur and sexual reproduction first becomes possible.

a developmental stage in life during which the genitals mature and become capable of reproduction. For girls it arrives between the ages of 9 and 16, and for boys between the ages of 11 and 18.

The process of changing from a child into an adult. This series of changes are caused by chemical messages that tell the body to grow and become physically and sexually mature.

the time during adolescence when rapid changes take place in the body.

The period of time between the beginning of the development of secondary sexual characteristics and the completion of somatic growth.

Process of reaching sexual maturity

The period of life during which the secondary sex characteristics begin to develop and the body becomes capable of sexual reproduction. Puberty usually occurs between ages 11 and 13 for girls, and ages 13-15 for boys.

Time of physical and sexual maturation.

Latin puber = adult; hence, the time when hair appears in the pubic region - i.e., near the pubis - as a secondary sexual characteristic.

age at which a person is first capable of sexual reproduction.

The time of life in boys and girls when the reproductive organs become functional and the secondary sexual characteristics appear.

The phase of adolescence in which boys and girls begin to develop sexual and physical characteristics like facial and body hair, breasts in girls, voice cracking in boys etc.

The stage of growth when adult sexual body parts mature and fertility becomes possible.

The time during which there is sudden enlargement and maturation of the gonads, other genitalia, and secondary sex characteristics, so that the individual becomes capable of reproduction. (page 114)

(PYOU-ber-tee) - the time when you mature reproductively and go through many physical, emotional, hormonal and sexual changes.

The time of life when the greatest amount of growth occurs and the development of sexual characteristics (such as pubic hair, breasts in females, and lower voice in males) takes place.

Puberty refers to the onset of sexual maturation (girls age 8-10, boys age 10-12). Puberty is the period when the child experiences physical, hormonal and sexual changes and becomes capable of reproduction. It is associated with rapid growth and the appearance of secondary sexual characteristics. Adolescence is the period of transition between puberty and adulthood.

Adolescence. Rubella (German Measles) Rubella (German measles) is a mild, febrile, highly infectious viral disease which was common in childhood prior to the advent of an effective vaccine. If contracted during early pregnancy, it could potentially cause a typical syndrome of congenital malformations Secondary infertility This means that the couple has conceived in the past, with or without this having resulted in a birth, but are unable to do so again in spite of having tried for a year or more.

The time of life when the body begins producing adult levels of the sex hormones estrogen and testosterone and a young person begins to take on adult characteristics, such as breasts, facial hair and public hair.

The time of life when a child begins the physical maturation process toward adulthood. Onset is usually in the early teens and is accompanied by a large increase in hormone production.

The period in both males and females in which changes occur in reproductive organs/ovaries/testes so that reproduction is possible No entries

A growth stage reached between 6 and 12 months of age when cats become sexually active and able to reproduce.

The stage of adolescence in which an individual becomes physiologically capable of sexual reproduction.

broad term used to describe the onset of adolescence. Specifically, puberty is the sum of the physical growth processes, including the growth spurt and hormonal activity that result in maturity or the ability to reproduce and bear offspring.

PYOU-ber-tey Time when your body is maturing

time when the body is changing from the body of a child to the body of an adult. This process begins earlier in girls than in boys, usually between ages 8 and 13, and lasts 2 to 4 years.

The state of being capable of begetting or bearing offspring (point of sexual maturity). Mares generally reach the age of puberty when 15 to 24 months of age.

The process of developing from a child to sexual maturity, when a person becomes capable of having children. In a girl, puberty includes a growth spurt, development of breasts and hips, growth of body hair, and the beginning of menstruation (having periods).

physical bodily changes which make your body sexually mature.

the time when one first becomes fertile. See Adolescence.

The age at which the reproductive organs become functionally operative and secondary sex characteristics begin to develop.

The time when body changes particular to the sex occur and when reproduction becomes possible.

the stage in life when the reproductive organs and the directing hormones start to function

The period of life during which an individual becomes capable of reproduction.

The stage in physical development at which the individual is first physically capable of sexual reproduction.

Pubescent Pubic_hair

the physical transformation of a boy into a man and a girl into a woman. Although the timing of the onset of puberty is highly variable from individual to individual, the sequence of events is highly predictable and independent of psychosocial influences.

when a girl or a boy becomes sexually mature; for a girl, when her periods begin

The stage of growth when the reproductive organs start to work, the person matures and develops adult sexual characteristics.

a sequence of events by which a child becomes a young adult; characterized by secretions of hormones, development of secondary sexual characteristics, reproductive functions, and growth spurts.

a time of physical and emotional change for adolescents and their bodies

the period of life when a child matures reproductively. It is made up of a variety of physical, sexual, emotional, intellectual and psychological changes that take place between the ages of 9-16 in girls and 10-17 in boys.

The state of physical development when sexual reproduction first becomes possible.

the period of rapid physical change that occurs during adolescence, including the development of the ability to reproduce sexually. (130)

Attainment of sexual function after adolescence. Puberty is expressed by the first estrus in gilts. The occurrence of puberty is less specific in the boar, but it is characterized by a significant increase in testicle size and successful mating.

When a sheep becomes sexually mature.

stage in the human life when the reproductive organs reach maturity

The onset of sexual maturity.

The stage of development in which the body becomes capable of reproducing sexually. It can start as early as age 8 or as late as age 18, but usually it begins between ages 10 and 14. To see legal, barely 18 teen sites click here

Period in which sexual organs mature and secondary sexual characteristics develop.

Sexual development triggered by hypothalamic trophic hormones that stimulate gonadal and adrenal secretion of sex hormones. Major skeletal growth accompanied by progressive development of primary and secondary sex organs and psychological changes.

The stage of life during which the secondary sexual characteristics begin to develop and sexual reproduction becomes possible.

Developmental period during which a sequence of physical changes takes place that transforms the person from an immature individual to one capable of reproduction.

The period during which the reproductive organs become functionally mature. The development of the secondary sex characteristics (particularly the growth and pigmentation of underarm and pubic hair) marks the onset of puberty and the capacity for reproduction, the culmination. See also adolescent growth spurt, secondary sex characteristics.

Puberty refers to the process of physical changes by which a child's body becomes an adult body capable of reproduction. Growth accelerates in the first half of puberty and reaches completion by the end. Body differences between boys and girls before puberty are almost entirely restricted to the genitalia.