Reproductive Biology

2.

2.1.

Spermatogenesis

2.1.1.

Location and Structure

2.1.1.1.

Seminiferous Tubules

2.1.1.2.

Role of Sertoli Cells

2.1.1.3.

Blood-Testis Barrier

2.1.2.

Cellular Stages

2.1.2.1.

2.1.2.1.1.

Type A Spermatogonia

2.1.2.1.2.

Type B Spermatogonia

2.1.2.1.3.

Mitotic Divisions

2.1.2.1.4.

Stem Cell Renewal

2.1.2.2.

Primary Spermatocytes

2.1.2.2.1.

Entry into Meiosis I

2.1.2.2.2.

Duration of Meiosis I

2.1.2.3.

Secondary Spermatocytes

2.1.2.3.1.

Completion of Meiosis I

2.1.2.3.2.

Entry into Meiosis II

2.1.2.4.

2.1.2.4.1.

Completion of Meiosis II

2.1.2.4.2.

Round Spermatids

2.1.2.4.3.

Elongating Spermatids

2.1.3.

2.1.3.1.

Nuclear Condensation

2.1.3.2.

Acrosome Formation

2.1.3.3.

Flagellum Development

2.1.3.4.

Mitochondrial Arrangement

2.1.3.5.

Cytoplasm Reduction

2.1.3.6.

2.1.4.

Structure of Mature Spermatozoon

2.1.4.1.

2.1.4.1.1.

2.1.4.1.2.

2.1.4.2.

2.1.4.2.1.

Mitochondrial Sheath

2.1.4.2.2.

2.1.4.3.

2.1.4.3.1.

Principal Piece

2.1.4.3.2.

2.1.5.

Hormonal Regulation of Spermatogenesis

2.1.5.1.

2.1.5.2.

2.1.5.3.

Role of Testosterone

2.2.

2.2.1.

Location and Structure

2.2.1.1.

Ovarian Follicles

2.2.1.2.

Role of Granulosa Cells

2.2.1.3.

Role of Theca Cells

2.2.2.

Cellular Stages

2.2.2.1.

2.2.2.1.1.

Mitotic Proliferation

2.2.2.1.2.

Timing of Formation

2.2.2.2.

Primary Oocytes

2.2.2.2.1.

Arrest in Prophase I

2.2.2.2.2.

Duration of Arrest

2.2.2.3.

Secondary Oocytes

2.2.2.3.1.

Completion of Meiosis I

2.2.2.3.2.

Arrest in Metaphase II

2.2.2.3.3.

2.2.2.4.

2.2.2.4.1.

First Polar Body

2.2.2.4.2.

Second Polar Body

2.2.2.4.3.

Fate of Polar Bodies

2.2.3.

Folliculogenesis

2.2.3.1.

Primordial Follicle

2.2.3.2.

Primary Follicle

2.2.3.3.

Secondary Follicle

2.2.3.4.

Tertiary Follicle

2.2.3.5.

Preovulatory Follicle

2.2.3.6.

2.2.3.7.

Corpus Luteum Formation

2.2.3.8.

Corpus Albicans

2.2.4.

Structure of Mature Ovum

2.2.4.1.

2.2.4.2.

2.2.4.2.1.

2.2.4.2.2.

2.2.4.2.3.

2.2.4.3.

2.2.4.4.

2.2.5.

Hormonal Regulation of Oogenesis

2.2.5.1.

2.2.5.2.

2.2.5.3.

Role of Estrogen

2.2.5.4.

Role of Progesterone

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1. Foundations of Reproductive Biology

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3. Reproductive Endocrinology