Bibliographic record
Abstract
The endocrine glands The location of the human endocrine glands is shown in Figure 2.1. The pineal gland is a small gland lying deep between the cerebral cortex and the cerebellum at the posterior end of the third ventricle in the middle of the brain. The hypothalamus exerts some degree of control over most of the endocrine glands through the release of neurohormones, neuropeptides and neurotransmitters. The pituitary gland hangs from the bottom of the hypothalamus at the base of the brain and sits in a small cavity of bone above the roof of the mouth. The thyroid gland is located in the neck and the small parathyroid glands are embedded in the surface of the thyroid. In the chest is the thymus gland , which is very important for the production of T lymphocytes that play a critical role in the immune response. The heart and lungs also act as endocrine glands that secrete hormones. The gastrointestinal (GI) tract , consisting of the stomach and intestines, is also an important source of hormones. The liver secretes several hormones such as somatomedin (also called IGF-1), important for growth. The adrenal glands are complex endocrine glands situated on top of the kidneys. The pancreas secretes hormones involved in regulating blood sugar levels and the kidney also produces hormone-like chemicals. The testes and ovaries produce gonadal hormones, or sex hormones, which, in addition to the maintenance of fertility and sex characteristics, have important effects on behavior. During pregnancy, the placenta acts as an endocrine gland. The endocrine glands occur in similar locations in all vertebrates. A large endocrine gland is fat ( adipose tissue ) which can be found beneath the skin (subcutaneous), in the abdominal cavity surrounding the heart and GI tract (see Figure 2.1), and within tissues such as liver and muscle. Fat secretes a variety of hormones called adipokines . Finally, two of the largest tissues in the body – skeletal muscle and bone – secrete factors that act in an endocrine fashion.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.002 |
| Scholarly communication | 0.002 | 0.002 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.016 | 0.011 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".