ANSC 446 - University of Maryland, College Park

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Transcript ANSC 446 - University of Maryland, College Park

ANSC 446

Physiology of Mammalian Reproduction Tues. & Thur. 2:00 - 3:15 Rm. 0408

Syllabus

• Contact information on sheet • WWW site with class notes • Textbook -

Pathways to Pregnancy & Parturition

– Required reading with items on quizzes • Grading – 6 quizzes – Final Exam 75% 25%

• Class roll

Who’s Here

Sequence of Events

Fig. 1-1 Not available on WWW

History

Figure 1-2 not available on WWW

History

• Aristotle • 384 - 322 BC • Proposed that fetus originates from menstrual blood

History

• • •

Fallopius 1562 AD Discovered & described oviduct

History

• • •

Coiter 1573 AD Discovered and described the corpus luteum

History

• • •

Regnier de Graaf 1672 Discovered & described the antral follicle

History

• • •

Van Leeuwenhoek 1677 Discovered & described spermatozoa in semen

History

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Spallanzani 1780 Hypothesized that spermatozoa were fertilizing agents

Successfully artificially inseminated a dog

History

• • •

Dumas 1825 Proved that sperm & egg united during fertilization to form embryo

Female Repro Tract

• • • • • •

Ovaries Oviducts Uterus Cervix Vagina External Genitalia

Female Repro Tract

• •

Reproductive tract lies below rectum Seperated by rectogenital pouch

(Fig. 2-1)

Female tract is a series of tubes

Serosa (outer)

Muscularis

Submucosa

Mucosa (inner)

Figure 2-5

Not available on WWW

Female Repro Tract

Reproductive tract is surrounded by peritoneum, which forms broad ligament

Components of the broad ligament

Mesovarium

Mesosalpinx

Mesometrium

Figure 2-6

Not Available on WWW

Ovary

• • • • •

Ovary is constantly changing Follicles Corpus Luteum Corpus Albicans Figure 2-8

Figure 2-8

Figure not available on WWW