primary sex character
Học thuậtThân thiện
A doctor points to a diagram of primary sex characteristics during a biology lesson.
Definition
Noun The genetically determined physical characteristics directly involved in reproduction, specifically the reproductive organs (genitals) and associated glands.
Usage
This term is used in biology, medicine, and sexology to describe the anatomical structures present at birth that are essential for sexual reproduction. It distinguishes these innate traits from secondary sex characteristics, which develop later, typically during puberty.
Examples
- The presence of ovaries or testes is a primary sex character.
- During embryonic development, the primary sex characters are formed.
- A medical examination confirmed the infant's primary sex characters were typically male.
Advanced Usage
- The term is often used in scientific and clinical discussions about sexual development, intersex conditions, and reproductive biology.
- It is a more formal and precise alternative to phrases like "primary sexual characteristics" or "sex organs."
Variants and Related Words
- Primary sexual characteristic: A synonymous phrase with identical meaning.
- Secondary sex character/characteristic: Refers to traits that emerge during puberty (e.g., breast development, facial hair) but are not directly part of the reproductive system.
Synonyms
- Genitalia
- Reproductive organs
- Sex organs
Related Concepts
- Sex determination: The biological system that establishes an organism's sex, leading to the development of primary sex characters.
- Differentiation: The process during fetal development where the primary sex characters form from initially undifferentiated structures.
A doctor points to a diagram of primary sex characteristics during a biology lesson.
Noun
- the genetically determined sex characteristics bound up with reproduction (genitals and organs of reproduction)