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PHYSICAL CHANGE OF PUBERTY • • • • •

Puberty, adolescence Physical changes of puberty in girls Breast development : 5 stages Pubic hairs in girls : 5 stages Vagina, uterus, ovaries

Physical changes • Body and facial hair in girls • Height growth in girls • Body odor, skin changes, and acne

Physical changes • Menstruation and fertility • Pelvic shape, fat distribution, and body composition

GONADOTRPIN RELEASING HORMONE (GnRH) • Low before puberty • Trigger of puberty

Poros hyp—hipofise- gonad • GnRH– FSH– membrane Receptor— cAMP----growth/development – spermae/ovum

Physical changes of puberty in boys • • • • • •

Testicular size, function, and fertility genitalia Pubic hair in boys Voice change Height growth in boys Male musculature and body shape

TESTOTERON • Organ sex primer : testis; penis, ; organ sex asesoris : kel. Prostat, ves seminalis • Karakteristik sex sekunder: - suara - muka - rambut tubuh - Pertumb. Otot, skeletal - Aktivitas sex--- reproduksi

OTAK SUARA

: KONSENTRASI DAN DAYA INGAT : MEMBULATKAN/MERENDAHKAN SUARA SAAT PUBERTAS LIBIDO : MENINGKATKAN RAMBUT : MENSTIMULASI PERTUMBUHAN RAMBUT OTOT : MENINGKATKAN MASA OTOT LEMAK : MENGURANGI LEMAK TUBUH ORGAN : MEMACU PERKEMBANGAN NORMAL ORGAN : KELAMIN PRIA TULANG : MENINGKATKAN KEPADATAN DAN PERTUMBUHAN TULANG

TUBULUS SEMINIFERUS • Tdd: sel Sertoli dan sel Int Leydig--megeluarkan testoteron selama gestasi dan pubertas/dewasa • Testoteron utk pematangan sperma – msk epididimis (blmmatang) ke vas deferen (2minggu)

ESTROGEN • Estrogen cause secondary characteristics in girls