3,444 ✦ Working

Take the testosterone produced by theca cells and convert it into estrogen (estradiol) using the aromatase enzyme under the influence of FSH. 3. Luteal Cells (Post-Ovulation)

Lacks seminal vesicles , disseminated prostate , and Cowper’s glands . Cat : Lacks seminal vesicles and a disseminated prostate . 5. Pregnancy Specifics: Giant Binucleate Cells Take the testosterone produced by theca cells and

Examining what different species lack in their reproductive tracts is a common exam focus: Does not have an Ampulla . Cat : Lacks seminal vesicles and a disseminated prostate

Maintains pregnancy; produced by large and small luteal cells. Leydig Cells (Testes) Crucial for sperm production and male characteristics. Oxytocin Large Luteal Cells / Hypothalamus Maintains pregnancy; produced by large and small luteal

They produce placental lactogen and pregnancy-specific protein B (often used in pregnancy testing). Additional Resources

Understanding where hormones are produced and their primary functions is critical for this course. Primary Source Primary Function Hypothalamus Stimulates the release of LH and FSH. FSH Anterior Pituitary Improves follicle growth in the ovary. LH Anterior Pituitary Stimulates ovulation and luteinization. Progesterone (P4) Corpus Luteum (CL)

Derived from granulosa cells. They increase in size (hypertrophy) and contain receptors for PGF2 . They produce P4 and Oxytocin.