{n} a cavity or bag, a feed vessel of a single valve, opening lengthwise and feeds not fastened
A fluid-filled sac in the ovary which contains an egg that is released at ovulation Each month an egg develops inside the ovary in a fluid-filled pocket called a follicle This follicle grows to about one inch in size when it is ready to ovulate
A small anatomical sac, cavity, or deep narrow-mouthed depression In hair a follicle is a stratum corneum lined sac that extends into the dermis and contains the hair bulb It is also a fluid-filled sac in the ovary that releases an egg at ovulation