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Derived from theca cells. They increase in number (hyperplasia) and contain receptors for LH. They are primarily responsible for P4 production. 4. Comparative Anatomy (Species Differences)

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

In ruminants, these cells migrate from the trophoblast to the maternal epithelium: They produce P4 and Oxytocin.

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 theca cells

Examining what different species lack in their reproductive tracts is a common exam focus: Does not have an Ampulla .

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

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Derived from theca cells. They increase in number (hyperplasia) and contain receptors for LH. They are primarily responsible for P4 production. 4. Comparative Anatomy (Species Differences)

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

In ruminants, these cells migrate from the trophoblast to the maternal epithelium:

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)

Examining what different species lack in their reproductive tracts is a common exam focus: Does not have an Ampulla .

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