Lab14-Reproductive System Anatomy - Tagged

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Southern Crescent Technical College *

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Biology

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Apr 29, 2024

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Lab 14: Reproductive System Anatomy Lab Learning outcomes of the lab exercises: 1. To identify and structures of the male and female reproductive systems on an appropriate model, and to describe the functions of each. 2. To trace the pathway followed by a sperm from its site of formation to its destination. 3. To trace the pathway followed by an egg from its site of formation to its destination. 4. To identify and general microstructures of the male and female systems. People often use the words "female" and "male" to describe two different concepts: our sense of gender identity, and our biological sex as determined by our X/Y chromosomes, hormones, sex organs, and other physical characteristics. For some people, gender identity is different from biological sex or their sex assigned at birth. In this chapter and the next chapter, "female" and "male" refer to sex only, and the typical reproductive anatomy of XX and XY individuals is discussed. OpenStax A&P 2e, Chapter 27.1 Male Reproductive Anatomy - The scrotum is the sac that hangs at the root of the penis and holds the testes. - The epididymis sits posterior to the testes within the scrotum. - The structures of the testes connect to the body cavity via the spermatic cord. - The ductus deferens, or spermatic duct, enters the abdomen and travels along the base of the bladder. - The prostate gland produces seminal fluids and can be palpated through the anterior wall of the rectum. - The urethra carries semen or urine out of the body. - The glans is the expanded tip of the penis. OpenStax A&P, pg 1281 164
Identify the following structures on a MALE lab model and describe their functions: 1. Scrotum 2. Testes 3. Epididymis 4. Ductus deferens (= vas deferens) 5. Spermatic cord 6. Seminal vesicle 7. Prostate gland 8. Bulbourethral glands 9. Penis -corpus cavernosum -corpus spongiosum Female Reproductive Anatomy - The pair of ovaries sits in the abdominal cavity lateral to the uterus. - The uterus flexes anteriorly over the bladder. - The uterine tubes connect the uterus with the peritoneal cavity near each ovary. - The cervix is the narrow neck of the uterus. - The vagina is the copulatory organ of the female. - The mons pubis is a fatty, rounded area overlying the pubic symphysis. It is covered with hair after puberty. - The clitoris is a small extension of erectile tissue. - A pair of skin folds called the labia majora run posteriorly form the mons pubis. - The labia minora are two thin, hairless folds that outline the vestibule. OpenStax A&P, pg 1292 165
OpenStax A&P, pg 1292 Identify the following structures on a FEMALE lab model and describe their functions: 1. Ovaries Mesenteries associated with the ovaries - -broad ligament -suspensory ligament of the ovary -ovarian ligament 2. Uterine tubes (= fallopian tubes), and its named regions - -fimbriae -infundibulum 3. Uterus -fundus -body -cervix 4. Vagina 5. Clitoris 6. Labia minora 7. Labia majora 8. Urethral orifice 9. Vestibule -greater vestibular glands 10.Nipple 11.Areola 12.Lobules (containing alveoli) 13.Lactiferous ducts 14.Lactiferous sinuses 166
Microscope Exercise: Microanatomy of Reproductive System Male Histology Examine a slide of seminiferous tubules and identify the following structures, sketch and label what you see in the space below. 1. Lumen of seminiferous 2. Spermatozoa (immature sperm) 3. Spermatogenic cells 4. Interstitial cells (Leydig cells) Female Histology Ovary Examine a slide of ovary and identify the following structures, sketch and label what you see in the space below. 1. Primordial follicles 2. Primary follicles 3. Secondary follicles 4. Vesicular (Graafian) follicles -Oocytes -Granulosa cells -Antrium 5. Corpus luteum 167
Uterine wall Examine a slide of uterine wall and identify the following structures, sketch and label what you see in the space below. 1. Perimetrium 2. Myometrium 3. Endometrium - stratum functionalis of endometrium - stratum basalis of endometrium 168
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