adrenal cortex
Học thuậtThân thiện
Definition
- Noun:
- The outer layer of the adrenal gland: The 'adrenal cortex' is the external, cortical portion of the adrenal gland, which is situated atop each kidney.
- An endocrine organ that secretes steroid hormones: This part of the adrenal gland is responsible for producing and secreting crucial hormones, including corticosteroids (like corticosterone and cortisol) and certain sex hormones.
Usage Examples
- Noun:
- The adrenal cortex is essential for regulating metabolism and the body's response to stress.
- A tumor in the adrenal cortex can lead to an overproduction of hormones.
- The doctor explained that the condition was caused by a dysfunction of the adrenal cortex.
Advanced Usage
- "Zones of the adrenal cortex": Refers to its distinct histological layers—the zona glomerulosa, zona fasciculata, and zona reticularis—each responsible for producing different types of hormones.
- Each zone of the adrenal cortex synthesizes a specific class of steroid hormones.
Variants and Related Words
- Adrenocortical (adj): Pertaining to or derived from the adrenal cortex.
- Adrenocortical insufficiency is a serious medical condition.
- Corticosteroid (n): Any of the steroid hormones (like cortisol) produced by the adrenal cortex.
- Synthetic corticosteroids are often used as anti-inflammatory medications.
Synonyms
- Adrenocortical tissue: A more technical term for the substance of the adrenal cortex.
- Cortex of the adrenal gland: A descriptive synonym.
Related Phrases
- Adrenal cortex hormone: A general term for any hormone secreted by this gland part.
- Aldosterone is a vital adrenal cortex hormone that regulates blood pressure.
Noun
- the cortex of the adrenal gland; secretes corticosterone and sex hormones