n. Carotenoids, for instance, are a large class of red, yellow and orange plant pigments composed of long carbon chains with many conjugated double bonds. They contain three maxima in the visible region of the electromagnetic spectrum (420 nm, 450 nm, 480 nm).

TLS Online TPP Program

#Id: 1210

#Unit 7. System Physiology – Animal

The first 14 days of the menstrual cycle involve follicular development (follicular phase).

TLS Online TPP Program

#Id: 1211

#Unit 7. System Physiology – Animal

The last 14 days of the menstrual cycle are dominated by the corpus luteum (luteal phase).

TLS Online TPP Program

#Id: 1212

#Unit 7. System Physiology – Animal

At the midpoint of the cycle, between the follicular and luteal phases, ovulation occurs.

TLS Online TPP Program

#Id: 1213

#Unit 7. System Physiology – Animal

Inhibin is produced by ovarian granulosa cells, Inhibits FSH secretion from the anterior pituitary.

TLS Online TPP Program

#Id: 1214

#Unit 7. System Physiology – Animal

Activin is also produced by ovarian granulosa cells and stimulates FSH secretion.

TLS Online TPP Program

#Id: 1215

#Unit 7. System Physiology – Animal

The role of parathyroid hormone is to regulate the concentration of Ca2+ in ECF.