Definition
The region of an ovule or seed where the integuments and nucellus are fused together, typically located opposite to the micropyle. In seeds, the chalaza often appears as a distinct area and may be involved in nutrient transport to the developing embryo.
Etymology
From Greek 'chalaza' meaning 'hailstone' or 'lump,' referring to the often thickened or prominent appearance of this region. The term was adopted into botanical terminology during detailed anatomical studies of ovule and seed structure in the 19th century.
Kelly Says
The chalaza is like a seed's supply depot! This specialized region often contains vascular connections that channel nutrients from the parent plant directly to the developing embryo, making it a crucial logistics hub for embryo development.
Translations
ARالعربية
خالازا
khah-lah-zah
BNবাংলা
চালাজা
chah-lah-jah
CACatalà
calasa
kah-lah-sah
CSČeština
chalaza
hah-lah-zah
DADansk
chalaza
kah-lah-zah
DEDeutsch
Chalaza
kah-LAH-tsah
ELΕλληνικά
χαλάζα
hah-lah-zah
ESEspañol
chalaza
chah-LAH-thah
FAفارسی
خالازا
khah-lah-zah
FISuomi
chalaza
hah-lah-tsah
FRFrançais
chalaze
shah-lah-zeh
HAHA
chalaza
chah-lah-zah
HIहिन्दी
चलाज़ा
chah-lah-zah
HUMagyar
csaláza
chah-lah-zah
IDBahasa Indonesia
chalaza
chah-lah-zah
IGIG
chalaza
chah-lah-zah
ITItaliano
calaza
kah-LAH-tsah
KMKM
ចាឡាហ្សា
chah-lah-zah
MSBahasa Melayu
chalaza
chah-lah-zah
MYမြန်မာ
ချာလာဇာ
hah-lah-zah
NLNederlands
chalaza
kah-lah-zah
NONorsk
chalaza
shah-lah-zah
PLPolski
chalaza
hah-lah-zah
PTPortuguês
chalaza
shah-LAH-zah
RORomână
chalază
kah-lah-zah
RUРусский
халаза
hah-LAH-zah
SVSvenska
chalaza
shah-lah-zah
SWKiswahili
chalaza
chah-lah-zah
TAதமிழ்
கலாசா
kah-lah-sah
TLTL
chalaza
shah-lah-zah
TRTürkçe
chalaza
chah-lah-zah
UKУкраїнська
халаза
hah-lah-zah
URاردو
چلازا
chah-lah-zah
VITiếng Việt
chalaza
shah-lah-zah
YOYO
chalaza
shah-lah-zah
ZUZU
chalaza
chah-lah-zah