Releasing Factors in the Hypothalamic-Pituitary Axis

question 16

Multiple Choice

Releasing factors in the hypothalamic-pituitary axis

• A) Stimulate cells in the hypothalamus to release hormones
• B) Are released by hypothalamic neurons into the hypophyseal portal blood
• C) Release hormones stored in the posterior lobe of the pituitaty
• D) Generally activate response elem ents in their target cells
• E) All stimulate hormone release

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Definitions:

Seedless Vascular Plants

Plants that have vascular tissue for transporting water and nutrients but reproduce through spores rather than seeds.

Sporophytes

The diploid generation in the life cycle of plants that produces spores through meiosis, alternates with the haploid gametophyte stage.

Gametophytes

The sexual phase in the life cycle of plants and algae that produce gametes, or sex cells.

Haploid Megaspores

Single-celled female spores produced by plants, which can develop into a gametophyte generation, part of the plant's reproductive process.