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This site is designed to support and expand the Hillendale Health Curriculum.


Learning about how your body grows and develops and how to take care of your body is an important part of Hillendale Health class. Our growth and development unit focuses on the changes that occur during adolescence and puberty.

Being Born

Puberty Link

Puberty Link

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Glossary A - P    Glossary Q - Z

Amniotic Sac
A bubble like sac that surrounds the baby while it is inside of the mother's uterus. The amniotic sac is filled with amniotic fluid. The unborn baby is basically underwater for nine moths before it is born!
Anus
The opening in the body through which solid waste exits the body.
Cervix
The narrow end of the uterus which has a small opening that connects the uterus with the vagina.
Conception
The beginning of pregnancy, when the sperm cell from the father joins with the egg cell from the mother.
Contractions
The squeezing action of the uterine muscle that helps to push the baby out of the mom during the process of birth.
Embryo
The developing baby during the first two months of pregnancy.
Endometrium
The inside lining of the uterus made of tissue and blood.
Ejaculation
The process by which semen is ejected from the penis.
Epididymis
A storage chamber in the male's body that's attached to each testicle. This is where sperm cells are nourished and mature.
Erection
The penis becomes stiff and hard due to increased blood flow. Erections may happen in response to physical or emotional stimulation, or sometimes an erection happens for no reason at all.
Estrogen
The main female sex hormone produced by the ovaries.
Fallopian tubes
Narrow tubes that are connected to the uterus. The fringes of the fallopian tube catch the egg cell when it is released from the ovary and then the egg cell slowly travels from the ovary to the uterus.
Fertilization
This is what happens when a male sperm cell unites with a female egg cell. A fertilized egg cell grows into a baby.
Fetus
The developing baby from two months of pregnancy until birth.
Genitals
The external sex organs.
Hormones
Chemical messengers created by glands that control specific things that happen in the body.
Hypothalamus
An area of the brain responsible for controlling functions such as water balance, body temperature, sleep, food intake, and the development of the body during puberty.
Menstruation
The process by which the lining of the uterus is shed periodically as menstrual flow. It usually happens about once a month except during pregnancy.
Nocturnal Emission
An ejaculation of semen that happens while a boy is sleeping. It is sometimes called a "wet dream," and it's nature's way of making room for new sperm cells that are made.
Ovaries
Two small organs inside of a female's body where the egg cells are produced and stored. Each ovary is about the size of a walnut, and there is one on each side of the uterus. The ovaries also produce the hormones estrogen and progesterone.
Ovulation
The release of an egg cell by an ovary. This process usually occurs at the midpoint of the menstrual cycle.
Ovum
Another name for the female egg cell. It is smaller than a grain of salt.
Penis
The male reproductive organ involved in sexual intercourse and elimination of urine.
Period
The days when menstruation is taking place.
Pituitary Gland
A small gland at the bottom of the brain which is responsible for controlling the hormones that affect growth, metabolism and maturation.
Placenta
A structure that grows from the uterine wall that allows nutrients and oxygen from the mom to pass through the umbilical cord to the baby and waste products from the baby go back through the umbilical to the placenta.
Progesterone
A female hormone.
Prostrate Gland
A male gland at the base of the bladder. It contributes a thin, milky fluid that makes up the largest part of the semen.
Puberty
The stage of growth where a child's body turns into the body of an adult.

Glossary Top    Glossary Q - Z

 

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