gonands Flashcards

(8 cards)

1
Q

gonands vs adrenal gland

A

The female and male gonads (ovaries and testes) have two main functions. First, they produce sex cells—this is their exocrine function. Second, they make sex hormones, which are the same types of hormones also made by the adrenal cortex. However, the gonads produce more of these hormones, and they come from a different source than the adrenal glands.

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2
Q

overies

A

The female gonads, called ovaries, are a pair of small, almond-sized organs located in the pelvic cavity. They have two main functions:

They produce female sex cells (called ova or eggs) – this is their exocrine function.

They produce two types of steroid hormones – estrogens and progesterone – which help regulate the female reproductive system. This is their endocrine function.

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3
Q

the estrogen again

A

Estrogen alone is important for developing female sex characteristics. It helps with the growth and development of the reproductive organs and also plays a key role in secondary puberty by increasing hair growth in the armpits and pubic areas. When estrogen works together with progesterone, they promote breast development and regulate the cyclic changes in the uterine lining that make up the menstrual cycle.

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4
Q

proestregen

A

It’s a steroid hormone produced mainly by the ovaries (specifically the corpus luteum after ovulation) and also by the placenta during pregnancy.

Progesterone’s main job is to prepare and maintain the uterine lining for pregnancy.

It works after estrogen has built up the lining, helping to keep it stable and ready for a fertilized egg to implant.

If pregnancy doesn’t happen, progesterone levels drop, leading to the shedding of the lining (menstruation).

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5
Q

proestrogen

A

Progesterone works together with estrogen to regulate the menstrual cycle. During pregnancy, progesterone calms the uterine muscles to prevent the embryo from being expelled. It also helps prepare the breast tissue for milk production (lactation).

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6
Q

anterior piturty

A

The ovaries are stimulated to release estrogen and progesterone in a cyclic pattern by gonadotropic hormones from the anterior pituitary—specifically FSH and LH. These hormones help regulate the menstrual cycle and ovulation. If the ovaries do not produce enough estrogen and progesterone (hyposecretion), it can seriously affect a woman’s ability to get pregnant and carry a baby to term.

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7
Q

the male gonads

A

The testes are two oval-shaped male organs located in the scrotum, a sac outside the pelvic cavity. They have two main jobs: making sperm (male sex cells) and producing male sex hormones, called androgens—the most important being testosterone. During puberty, testosterone helps the male reproductive organs grow and mature, and it also causes secondary sex characteristics to appear, like facial hair, muscle and bone growth, a deeper voice, and an increase in sex drive.

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8
Q

terestrone

A

In adults, testosterone is necessary for the continuous production of sperm. If the testes produce too little testosterone (hyposecretion), the man can become sterile. This condition is often treated with testosterone injections. The hormone LH (luteinizing hormone) specifically stimulates testosterone production.

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