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- 1.Parenchyma
- 3.Mediastinum
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What tubes are found in the Parenchyma?
- Seminiferous Tubules: Where sertoli Cells are found
- Interstitial Compartment: where leydig cells are found
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What tubes are found in the Mediastinum?
- Rete Testis (Rete Tubule): connect seminiferous tubules to effert ducts
- Efferent Ducts: Connect rete testis to head of epididymis
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What cells are found in the Parenchyma?
- Sertoli Cells: Develop male gamete
- Leydig Cells: Produce testosterone
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- 1. Ovary (Follicle)
- 2. Broad Ligament
- 3.Uterus
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What are the 3 parts of the oviduct and their location?
- 1. Infundibulum: End of Oviduct
- 2. Ampulla: Closer to Infundibulum
- 3. Isthmus: From Ampulla to Uterus
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What are the functions of the 3 parts of the oviduct?
- Infundibulum: First picks up the egg
- Ampulla: Site of fertilization
- Isthmus: thinner portion
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What is the Broad Ligament?
- Suspensory tissue that supports the female reproductive tract
- Houses vascular network, lymphatic drainage, and nerves
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What are the 3 components of the Broad Ligament and what do they support?
- Mesovarium: Supports ovary
- Mesosalpinx: Supports oviduct
- Mesometrium: Supports uterus
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What are the 4 Ovarian Structures?
- 1. Follicle
- 2. Corpus Hemorrhagicum
- 3. Corpus Luteum
- 4. Corpus Albicans
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What hormone does the Follicle produce and what is its function?
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What hormone does Corpus Luteum produce?
Progesterone
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- 1. Anterior Pituitary
- 2. Posterior Pituitary
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What are the 3 centers of the Hypothalamus?
- 1. Surge Center
- 2. Tonic Center
- 3. Paraventricular Nucleus (PVN)
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What hormone is produced from the Surge and Tonic Centers of the Hypothalamus?
GnRH
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What Hormone is release from the PVN of the hypothalamus?
Oxytocin
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What hormones are produced from the Anterior Pituitary Gland?
FSH and LH
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What hormones are released from the Posterior Pituitary Gland?
Oxytocin (stored and released but produced in PVN)
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What is the function of the Cervix?
- Passageway for sperm following breeding
- Secretory organ
- Seals off uterus in pregnancy
- Passageway for fetus at birth
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- 1. Corpus Luteum
- 2. Uterus
- 3. Follicle
- 4. Cervix
- 5. Vagina
- Species: Cow
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What is the function of the Uterus?
- Passage way for sperm
- Secretory organ
- Houses developing embryo/fetus
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What are the 3 layers (from outside to in) of the Uterus and what are their functions?
- 1. Perimetrium: Protection
- 2. Myometrium: Contraction for sperm movement and birth
- 3. Endometrium: Houses carnucles and glands
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What is the function of the Vagina?
- Receives penis during Copulation
- Secretes small amounts of mucus
- Passageway for fetus at birth
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- 1. Layers of Testicular Capsule
- 2. Mediastinum
- 3. Parenchyma
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What are the 2 layers of the Testicular Capsule?
- 1. Visceral Vaginal Tunica
- 2. Tunica Albuginea
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What is the pathway of sperm in the male tract?
- Seminiferous Tubules
- Rete Tubules
- Efferent Duct
- Head of Epididymis
- Body of Epididymis
- Tail of Epididymis
- Vas Deferens
- Urethra
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Is this a sow or a gilt? How do you know the difference?
Gilt: Has a smaller reproductive tract and the ovaries have less structures present on them
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What is the function of the Vulva?
- Passageway for urine
- Receptor for penis during copulation
- Passageway for fetus during birth
- Protection - prevents material from environment from entering tract
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What are the functions the the Epididymis?
- Receive sperm from testis
- Transports sperm to urethra
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What are the 3 parts of the Epididymis and their functions?
- 1. Head: Receive sperm from testes; Concentrates sperm
- 2. Body: Sperm maturation
- 3. Tail: Sperm storage
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What does the Testes produce?
- Produce male gamete
- Produces testosterone
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What are the 3 parts of Spermatic Cord?
- 1. Pampiniform Plexus
- 2. Cremaster Muscle
- 3. Vas Deferens
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What are the functions of the Spermatic Cord?
- Provide attachment and support of the testis to the body
- Provide vascular, nervous, and lymphatic connection to body
- Heat exchange
- Pulse pressure eliminator
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What are functions of the Paniform Plexus?
- Heat exchange
- Hormone Exchange
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What are functions of the Cremaster Muscle?
- Aid in temperature control
- Primary muscle supporting the testis
- *Not responsible for long-term raising
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What are the functions of the Vas Deferens?
- Transport sperm
- Non-excited: Steady smooth contractions
- Excited: Increase contractions (strength and number)
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What is the function of the Urethra?
Transport of sperm from vas deferens to the outside environment
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What are 3 glands in the Male?
- 1. Vesicular Glands (seminal vesicles)
- 2. Prostate Glands
- 3. Bulbourethral Glands
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What is the function of Vesicular Glands?
Add volume to ejaculate
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What are the functions of the Prostate Gland?
- Secrete fluid to clean and lubricate urethra
- Add small amount of volume to semen
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What is the function of the Bulbourethral Glands?
Produce viscous secretion that will cause seminal plasma to coagulate following ejaculation
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What is the function of the Penis?
Male organ of copulation
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What is the Sigmoid Flexure?
Part of Penis that has a S-shaped configuration
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What are Retractor Penile Muscles?
- Found in the Sigmoid Flexure
- Relaxed state: Contracted
- Excited State: Extended, relaxed
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What is the function of the Vestibule?
Common area for reproductive and urinary system
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What are the general functions of the Male Glands?
- Aid in transportation of sperm through Urethra
- Adds volume to ejaculate
- Aids in viability/ motility in female tract
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- A: Vesticular Gland
- B: Prostate Gland
- C: Bulbourethral Gland
- D: Retractor Penile Muscle
- E: Body of Epididymis
- F: Tail of Epididymis
- G: Head of Epididymis
- H: Testis
- I: Spermatic Cord
- J: Cremaster Muscle
- K: Vas Deferens
- L: Bladder
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