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

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) Maintains pregnancy; produced by large and small luteal

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) Maintains pregnancy; produced by large and small luteal

Comprehensive review sets for different exams (Exam 1, Exam 3, and Finals) are available on Quizlet (Final) and Quizlet (Exam 3) . Maintains pregnancy; produced by large and small luteal