Anatomy of Mammary gland
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The breast is normally formed of 15-20 lobes separated by ligaments of Cooper, with each lobe containing lobules. The lobes and lobules drain into 15-20 lactiferous ducts that open into the nipple. The breasts develop from birth through puberty and are affected by hormones such as estrogen, progesterone, prolactin, and oxytocin during pregnancy and lactation. The breasts receive nerve innervation from cutaneous branches of the 4th through 6th intercostal nerves. Common breast conditions include lumps, changes in skin texture, unilateral cancer, secondary deposits from other cancers, lack of breast development, extra nipples, and supernumerary breasts.
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The reproductive systems in males and females consist of primary and secondary sex organs and glands. The primary function is to perpetuate the species through sexual reproduction. The female reproductive system includes the uterus, fallopian tubes, ovaries, vagina, and vulva. The uterus provides nourishment and protection to the fetus during pregnancy. The male reproductive system includes the penis, scrotum, testes, vas deferens, seminal vesicles, prostate, and Cowper's glands. The testes produce sperm and the other organs work together to deliver sperm via semen during sexual intercourse.
178-Anatomy-Reproductive-System.ppt
The reproductive systems in males and females consist of primary and secondary sex organs and glands. The primary function is to perpetuate the species through sexual reproduction. The female reproductive system includes the uterus, fallopian tubes, ovaries, vagina, and vulva. The uterus provides nourishment and protection to the fetus during pregnancy. The male reproductive system includes the penis, scrotum, testes, vas deferens, seminal vesicles, prostate, and Cowper's glands. The testes produce sperm and the other organs work together to deliver sperm via semen during sexual intercourse.
Grade 10- Anatomy-Reproductive-System (1).ppt
The reproductive systems in males and females consist of primary and secondary sex organs and glands. The primary function is to perpetuate the species through sexual reproduction.
In females, the uterus provides protection and nourishment to the fetus during pregnancy. The fallopian tubes connect to the ovaries and uterus, transporting eggs. During ovulation, an egg is released from the ovaries. If fertilized by sperm, it implants in the uterus and develops into an embryo and fetus over 9 months of gestation.
In males, sperm develop in the testes and are stored in the epididymis. During ejaculation, seminal fluid containing sperm is released from the penis, combining secretions from the seminal vesicles, prostate
178-Anatomy-Reproductive-System.ppt
The reproductive systems in males and females consist of primary and secondary sex organs and glands. The primary function is to perpetuate the species through sexual reproduction. The female reproductive system includes the uterus, fallopian tubes, ovaries, vagina, and vulva. The uterus provides nourishment and protection to the fetus during pregnancy. The male reproductive system includes the penis, scrotum, testes, vas deferens, seminal vesicles, prostate, and Cowper's glands. The testes produce sperm and the other organs work together to deliver sperm via semen during sexual intercourse.
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Anatomy of Mammary gland
- 8. Breast of both sides are of equal in size. If one is larger and lower that will be on the right side.
- 11. It is formed of 15-20 lobes. Each lobe is formed of a number of lobules. The lobes and lobules are separated by interlobar and interlobular fibrous & fatty tissue, called ligaments of Cooper. (Importance)?These ligaments give the breasts support by connecting the skin of the breasts to the pectoralis muscles below them. It has from 15-20 lactiferous ducts which open by the same number of openings on the summit of the nipple.
- 12. From birth to pre-puberty life At puberty In pregnancy During lactation After lactation
- 13. OESTROGEN PROGESTERONE BOTHTHE HORMONES PROLACTIN AND GROWTH HORMONES OXYTOCIN
- 16. ANTERIOR AND LATERAL CUTANEOUS BRANCH FROM 4TH TO 6TH INTERCOSTAL NERVES.
- 19. BREAST LUMP PEAU D’ ORANGE UNILATERAL CANCER BREAST SECONDARY DEPOSIT AMASTIA POLYTHELIA POLYMASTIA